577 lines
13 KiB
C
577 lines
13 KiB
C
/* $NetBSD: xc3028.c,v 1.9 2018/09/03 16:29:31 riastradh Exp $ */
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/*-
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* Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Xceive XC3028L
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: xc3028.c,v 1.9 2018/09/03 16:29:31 riastradh Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/conf.h>
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#include <sys/bus.h>
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#include <sys/kmem.h>
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#include <sys/mutex.h>
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#include <sys/module.h>
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#include <dev/firmload.h>
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#include <dev/i2c/i2cvar.h>
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#include <dev/i2c/xc3028reg.h>
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#include <dev/i2c/xc3028var.h>
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#define XC3028_FIRMWARE_DRVNAME "xc3028"
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#define XC3028_FREQ_MIN 1000000
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#define XC3028_FREQ_MAX 1023000000
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#define XC3028_FW_BASE (1 << 0)
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#define XC3028_FW_D2633 (1 << 4)
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#define XC3028_FW_DTV6 (1 << 5)
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#define XC3028_FW_QAM (1 << 6)
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#define XC3028_FW_ATSC (1 << 16)
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#define XC3028_FW_LG60 (1 << 18)
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#define XC3028_FW_F6MHZ (1 << 27)
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#define XC3028_FW_SCODE (1 << 29)
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#define XC3028_FW_HAS_IF (1 << 30)
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#define XC3028_FW_DEFAULT (XC3028_FW_ATSC|XC3028_FW_D2633|XC3028_FW_DTV6)
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static kmutex_t xc3028_firmware_lock;
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static int xc3028_reset(struct xc3028 *);
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static int xc3028_read_2(struct xc3028 *, uint16_t, uint16_t *);
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static int xc3028_write_buffer(struct xc3028 *, const uint8_t *, size_t);
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static int xc3028_firmware_open(struct xc3028 *);
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static int xc3028_firmware_parse(struct xc3028 *, const uint8_t *, size_t);
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static int xc3028_firmware_upload(struct xc3028 *, struct xc3028_fw *);
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static int xc3028_scode_upload(struct xc3028 *, struct xc3028_fw *);
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static void xc3028_dump_fw(struct xc3028 *, struct xc3028_fw *,
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const char *);
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static const char *
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xc3028_name(struct xc3028 *xc)
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{
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if (xc->type == XC3028L)
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return "xc3028l";
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else
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return "xc3028";
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}
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static const char *
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xc3028_firmware_name(struct xc3028 *xc)
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{
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if (xc->type == XC3028L)
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return "xc3028L-v36.fw";
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else
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return "xc3028-v27.fw";
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}
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static int
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xc3028_reset(struct xc3028 *xc)
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{
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int error = 0;
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if (xc->reset)
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error = xc->reset(xc->reset_priv);
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return error;
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}
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static struct xc3028_fw *
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xc3028_get_basefw(struct xc3028 *xc)
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{
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struct xc3028_fw *fw;
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unsigned int i;
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for (i = 0; i < xc->nfw; i++) {
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fw = &xc->fw[i];
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if (fw->type == XC3028_FW_BASE)
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return fw;
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}
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return NULL;
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}
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static struct xc3028_fw *
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xc3028_get_stdfw(struct xc3028 *xc)
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{
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struct xc3028_fw *fw;
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unsigned int i;
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for (i = 0; i < xc->nfw; i++) {
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fw = &xc->fw[i];
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if (fw->type == (XC3028_FW_D2633|XC3028_FW_DTV6|XC3028_FW_ATSC))
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return fw;
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}
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return NULL;
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}
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static struct xc3028_fw *
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xc3028_get_scode(struct xc3028 *xc)
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{
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struct xc3028_fw *fw;
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unsigned int i;
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for (i = 0; i < xc->nfw; i++) {
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fw = &xc->fw[i];
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if (fw->type ==
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(XC3028_FW_DTV6|XC3028_FW_QAM|XC3028_FW_ATSC|XC3028_FW_LG60|
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XC3028_FW_F6MHZ|XC3028_FW_SCODE|XC3028_FW_HAS_IF) &&
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fw->int_freq == 6200)
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return fw;
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}
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return NULL;
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}
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static int
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xc3028_firmware_open(struct xc3028 *xc)
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{
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firmware_handle_t fwh;
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struct xc3028_fw *basefw, *stdfw, *scode;
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uint8_t *fw = NULL;
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uint16_t xcversion = 0;
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size_t fwlen;
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int error;
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mutex_enter(&xc3028_firmware_lock);
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error = firmware_open(XC3028_FIRMWARE_DRVNAME,
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xc3028_firmware_name(xc), &fwh);
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if (error)
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goto done;
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fwlen = firmware_get_size(fwh);
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fw = firmware_malloc(fwlen);
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if (fw == NULL) {
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firmware_close(fwh);
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error = ENOMEM;
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goto done;
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}
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error = firmware_read(fwh, 0, fw, fwlen);
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firmware_close(fwh);
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if (error)
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goto done;
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device_printf(xc->parent, "%s: loading firmware '%s/%s'\n",
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xc3028_name(xc), XC3028_FIRMWARE_DRVNAME, xc3028_firmware_name(xc));
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error = xc3028_firmware_parse(xc, fw, fwlen);
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if (!error) {
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basefw = xc3028_get_basefw(xc);
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stdfw = xc3028_get_stdfw(xc);
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scode = xc3028_get_scode(xc);
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if (basefw && stdfw) {
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xc3028_reset(xc);
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xc3028_dump_fw(xc, basefw, "base");
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error = xc3028_firmware_upload(xc, basefw);
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if (error)
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return error;
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xc3028_dump_fw(xc, stdfw, "std");
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error = xc3028_firmware_upload(xc, stdfw);
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if (error)
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return error;
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if (scode) {
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xc3028_dump_fw(xc, scode, "scode");
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error = xc3028_scode_upload(xc, scode);
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if (error)
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return error;
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}
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} else
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error = ENODEV;
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}
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if (!error) {
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xc3028_read_2(xc, XC3028_REG_VERSION, &xcversion);
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device_printf(xc->parent, "%s: hw %d.%d, fw %d.%d\n",
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xc3028_name(xc),
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(xcversion >> 12) & 0xf, (xcversion >> 8) & 0xf,
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(xcversion >> 4) & 0xf, (xcversion >> 0) & 0xf);
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}
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done:
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if (fw)
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firmware_free(fw, fwlen);
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mutex_exit(&xc3028_firmware_lock);
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if (error)
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aprint_error_dev(xc->parent,
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"%s: couldn't open firmware '%s/%s' (error=%d)\n",
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xc3028_name(xc), XC3028_FIRMWARE_DRVNAME,
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xc3028_firmware_name(xc), error);
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return error;
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}
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static const char *xc3028_fw_types[] = {
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"BASE",
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"F8MHZ",
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"MTS",
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"D2620",
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"D2633",
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"DTV6",
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"QAM",
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"DTV7",
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"DTV78",
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"DTV8",
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"FM",
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"INPUT1",
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"LCD",
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"NOGD",
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"INIT1",
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"MONO",
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"ATSC",
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"IF",
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"LG60",
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"ATI638",
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"OREN538",
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"OREN36",
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"TOYOTA388",
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"TOYOTA794",
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"DIBCOM52",
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"ZARLINK456",
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"CHINA",
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"F6MHZ",
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"INPUT2",
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"SCODE",
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"HAS_IF",
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};
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static void
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xc3028_dump_fw(struct xc3028 *xc, struct xc3028_fw *xcfw, const char *type)
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{
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unsigned int i;
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device_printf(xc->parent, "%s: %s:", xc3028_name(xc), type);
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if (xcfw == NULL) {
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printf(" <none>\n");
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return;
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}
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for (i = 0; i < __arraycount(xc3028_fw_types); i++) {
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if (xcfw->type & (1 << i))
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printf(" %s", xc3028_fw_types[i]);
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}
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if (xcfw->type & (1 << 30))
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printf("_%d", xcfw->int_freq);
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if (xcfw->id)
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printf(" id=%" PRIx64, xcfw->id);
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printf(" size=%u\n", xcfw->data_size);
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}
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static int
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xc3028_firmware_parse(struct xc3028 *xc, const uint8_t *fw, size_t fwlen)
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{
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const uint8_t *p = fw, *endp = p + fwlen;
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char fwname[32 + 1];
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uint16_t fwver, narr;
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unsigned int index;
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struct xc3028_fw *xcfw;
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if (fwlen < 36)
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return EINVAL;
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/* first 32 bytes are the firmware name string */
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memset(fwname, 0, sizeof(fwname));
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memcpy(fwname, p, sizeof(fwname) - 1);
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p += (sizeof(fwname) - 1);
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fwver = le16dec(p);
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p += sizeof(fwver);
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narr = le16dec(p);
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p += sizeof(narr);
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aprint_debug_dev(xc->parent, "%s: fw type %s, ver %d.%d, %d images\n",
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xc3028_name(xc), fwname, fwver >> 8, fwver & 0xff, narr);
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xc->fw = kmem_zalloc(sizeof(*xc->fw) * narr, KM_SLEEP);
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xc->nfw = narr;
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for (index = 0; index < xc->nfw && p < endp; index++) {
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xcfw = &xc->fw[index];
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if (endp - p < 16)
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goto corrupt;
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xcfw->type = le32dec(p);
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p += sizeof(xcfw->type);
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xcfw->id = le64dec(p);
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p += sizeof(xcfw->id);
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if (xcfw->type & XC3028_FW_HAS_IF) {
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xcfw->int_freq = le16dec(p);
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p += sizeof(xcfw->int_freq);
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if ((uint32_t)(endp - p) < sizeof(xcfw->data_size))
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goto corrupt;
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}
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xcfw->data_size = le32dec(p);
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p += sizeof(xcfw->data_size);
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if (xcfw->data_size == 0 ||
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xcfw->data_size > (uint32_t)(endp - p))
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goto corrupt;
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xcfw->data = kmem_alloc(xcfw->data_size, KM_SLEEP);
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memcpy(xcfw->data, p, xcfw->data_size);
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p += xcfw->data_size;
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}
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return 0;
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corrupt:
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aprint_error_dev(xc->parent, "%s: fw image corrupt\n", xc3028_name(xc));
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for (index = 0; index < xc->nfw; index++) {
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if (xc->fw[index].data)
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kmem_free(xc->fw[index].data, xc->fw[index].data_size);
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}
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kmem_free(xc->fw, sizeof(*xc->fw) * xc->nfw);
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xc->nfw = 0;
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return ENXIO;
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}
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static int
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xc3028_firmware_upload(struct xc3028 *xc, struct xc3028_fw *xcfw)
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{
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const uint8_t *fw = xcfw->data, *p;
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uint32_t fwlen = xcfw->data_size;
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uint8_t cmd[64];
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unsigned int i;
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uint16_t len, rem;
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size_t wrlen;
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int error;
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for (i = 0; i < fwlen - 2;) {
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len = le16dec(&fw[i]);
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i += 2;
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if (len == 0xffff)
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break;
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/* reset command */
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if (len == 0x0000) {
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error = xc3028_reset(xc);
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if (error)
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return error;
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continue;
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}
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/* reset clk command */
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if (len == 0xff00) {
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continue;
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}
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/* delay command */
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if (len & 0x8000) {
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delay((len & 0x7fff) * 1000);
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continue;
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}
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if (i + len > fwlen) {
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printf("weird len, i=%u len=%u fwlen=%u'\n", i, len, fwlen);
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return EINVAL;
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}
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cmd[0] = fw[i];
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p = &fw[i + 1];
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rem = len - 1;
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while (rem > 0) {
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wrlen = uimin(rem, __arraycount(cmd) - 1);
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memcpy(&cmd[1], p, wrlen);
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error = xc3028_write_buffer(xc, cmd, wrlen + 1);
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if (error)
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return error;
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p += wrlen;
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rem -= wrlen;
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}
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i += len;
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}
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return 0;
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}
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static int
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xc3028_scode_upload(struct xc3028 *xc, struct xc3028_fw *xcfw)
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{
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static uint8_t scode_init[] = { 0xa0, 0x00, 0x00, 0x00 };
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static uint8_t scode_fini[] = { 0x00, 0x8c };
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int error;
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if (xcfw->data_size < 12)
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return EINVAL;
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error = xc3028_write_buffer(xc, scode_init, sizeof(scode_init));
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if (error)
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return error;
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error = xc3028_write_buffer(xc, xcfw->data, 12);
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if (error)
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return error;
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error = xc3028_write_buffer(xc, scode_fini, sizeof(scode_fini));
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if (error)
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return error;
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return 0;
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}
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static int
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xc3028_read_2(struct xc3028 *xc, uint16_t reg, uint16_t *val)
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{
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uint8_t cmd[2], resp[2];
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int error;
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cmd[0] = reg >> 8;
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cmd[1] = reg & 0xff;
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error = iic_exec(xc->i2c, I2C_OP_WRITE, xc->i2c_addr,
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cmd, sizeof(cmd), NULL, 0, 0);
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if (error)
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return error;
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resp[0] = resp[1] = 0;
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error = iic_exec(xc->i2c, I2C_OP_READ, xc->i2c_addr,
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NULL, 0, resp, sizeof(resp), 0);
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if (error)
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return error;
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*val = (resp[0] << 8) | resp[1];
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return 0;
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}
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static int
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xc3028_write_buffer(struct xc3028 *xc, const uint8_t *data, size_t datalen)
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{
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return iic_exec(xc->i2c, I2C_OP_WRITE_WITH_STOP, xc->i2c_addr,
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data, datalen, NULL, 0, 0);
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}
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#if notyet
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static int
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xc3028_write_2(struct xc3028 *xc, uint16_t reg, uint16_t val)
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{
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uint8_t data[4];
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data[0] = reg >> 8;
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data[1] = reg & 0xff;
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data[2] = val >> 8;
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data[3] = val & 0xff;
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return xc3028_write_buffer(xc, data, sizeof(data));
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}
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#endif
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struct xc3028 *
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xc3028_open(device_t parent, i2c_tag_t i2c, i2c_addr_t addr,
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xc3028_reset_cb reset, void *reset_priv, enum xc3028_type type)
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{
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struct xc3028 *xc;
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xc = kmem_alloc(sizeof(*xc), KM_SLEEP);
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xc->parent = parent;
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xc->i2c = i2c;
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xc->i2c_addr = addr;
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xc->reset = reset;
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xc->reset_priv = reset_priv;
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xc->type = type;
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if (xc3028_firmware_open(xc)) {
|
|
aprint_error_dev(parent, "%s: fw open failed\n",
|
|
xc3028_name(xc));
|
|
goto failed;
|
|
}
|
|
|
|
return xc;
|
|
|
|
failed:
|
|
kmem_free(xc, sizeof(*xc));
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
xc3028_close(struct xc3028 *xc)
|
|
{
|
|
unsigned int index;
|
|
|
|
if (xc->fw) {
|
|
for (index = 0; index < xc->nfw; index++) {
|
|
if (xc->fw[index].data)
|
|
kmem_free(xc->fw[index].data,
|
|
xc->fw[index].data_size);
|
|
}
|
|
kmem_free(xc->fw, sizeof(*xc->fw) * xc->nfw);
|
|
}
|
|
kmem_free(xc, sizeof(*xc));
|
|
}
|
|
|
|
int
|
|
xc3028_tune_dtv(struct xc3028 *xc, const struct dvb_frontend_parameters *params)
|
|
{
|
|
static uint8_t freq_init[] = { 0x80, 0x02, 0x00, 0x00 };
|
|
uint8_t freq_buf[4];
|
|
uint32_t div, offset = 0;
|
|
int error;
|
|
|
|
if (params->u.vsb.modulation == VSB_8) {
|
|
offset = 1750000;
|
|
} else {
|
|
return EINVAL;
|
|
}
|
|
|
|
div = (params->frequency - offset + 15625 / 2) / 15625;
|
|
|
|
error = xc3028_write_buffer(xc, freq_init, sizeof(freq_init));
|
|
if (error)
|
|
return error;
|
|
delay(10000);
|
|
|
|
freq_buf[0] = (div >> 24) & 0xff;
|
|
freq_buf[1] = (div >> 16) & 0xff;
|
|
freq_buf[2] = (div >> 8) & 0xff;
|
|
freq_buf[3] = (div >> 0) & 0xff;
|
|
error = xc3028_write_buffer(xc, freq_buf, sizeof(freq_buf));
|
|
if (error)
|
|
return error;
|
|
delay(100000);
|
|
|
|
return 0;
|
|
}
|
|
|
|
MODULE(MODULE_CLASS_DRIVER, xc3028, "i2cexec");
|
|
|
|
static int
|
|
xc3028_modcmd(modcmd_t cmd, void *opaque)
|
|
{
|
|
switch (cmd) {
|
|
case MODULE_CMD_INIT:
|
|
mutex_init(&xc3028_firmware_lock, MUTEX_DEFAULT, IPL_NONE);
|
|
return 0;
|
|
case MODULE_CMD_FINI:
|
|
mutex_destroy(&xc3028_firmware_lock);
|
|
return 0;
|
|
default:
|
|
return ENOTTY;
|
|
}
|
|
}
|