1 files changed, 145 insertions, 0 deletions
diff --git a/drivers/media/dvb/mantis/mantis_ioc.c b/drivers/media/dvb/mantis/mantis_ioc.c
new file mode 100644
index 00000000000..4700088f038
--- /dev/null
+++ b/drivers/media/dvb/mantis/mantis_ioc.c
@@ -0,0 +1,145 @@
+/*
+	Mantis PCI bridge driver
+
+	Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.com)
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/kernel.h>
+#include <linux/i2c.h>
+
+#include <asm/irq.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+
+#include "dmxdev.h"
+#include "dvbdev.h"
+#include "dvb_demux.h"
+#include "dvb_frontend.h"
+#include "dvb_net.h"
+
+#include "mantis_common.h"
+#include "mantis_reg.h"
+#include "mantis_ioc.h"
+
+static int read_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length)
+{
+	struct i2c_adapter *adapter = &mantis->adapter;
+
+	int err;
+	struct i2c_msg msg[] = {
+		{ .addr = 0x50, .flags = 0, .buf = data, .len = 1 },
+		{ .addr = 0x50, .flags = I2C_M_RD, .buf = data, .len = length },
+	};
+
+	err = i2c_transfer(adapter, msg, 2);
+	if (err < 0) {
+		dprintk(MANTIS_ERROR, 1, "ERROR: i2c read: < err=%i d0=0x%02x d1=0x%02x >",
+			err, data[0], data[1]);
+
+		return err;
+	}
+
+	return 0;
+}
+
+static int write_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length)
+{
+	struct i2c_adapter *adapter = &mantis->adapter;
+	int err;
+
+	struct i2c_msg msg = { .addr = 0x50, .flags = 0, .buf = data, .len = length };
+
+	err = i2c_transfer(adapter, &msg, 1);
+	if (err < 0) {
+		dprintk(MANTIS_ERROR, 1, "ERROR: i2c write: < err=%i length=0x%02x d0=0x%02x, d1=0x%02x >",
+			err, length, data[0], data[1]);
+
+		return err;
+	}
+
+	return 0;
+}
+
+int mantis_get_mac(struct mantis_pci *mantis)
+{
+	int err;
+
+	mantis->mac_address[0] = 0x08;
+
+	err = read_eeprom_byte(mantis, &mantis->mac_address[0], 6);
+	if (err < 0) {
+		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis EEPROM read error <%d>", err);
+
+		return err;
+	}
+
+	dprintk(MANTIS_ERROR, 0,
+		"    MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]\n",
+		mantis->mac_address[0], mantis->mac_address[1],
+		mantis->mac_address[2],	mantis->mac_address[3],
+		mantis->mac_address[4], mantis->mac_address[5]);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mantis_get_mac);
+
+/* Turn the given bit on or off. */
+void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value)
+{
+	u32 cur;
+
+	cur = mmread(MANTIS_GPIF_ADDR);
+	if (value)
+		mantis->gpio_status = cur | (1 << bitpos);
+	else
+		mantis->gpio_status = cur & (~(1 << bitpos));
+
+	mmwrite(mantis->gpio_status, MANTIS_GPIF_ADDR);
+	mmwrite(0x00, MANTIS_GPIF_DOUT);
+}
+EXPORT_SYMBOL_GPL(gpio_set_bits);
+
+int mantis_stream_control(struct mantis_pci *mantis, enum mantis_stream_control stream_ctl)
+{
+	u32 reg;
+
+	reg = mmread(MANTIS_CONTROL);
+	switch (stream_ctl) {
+	case STREAM_TO_HIF:
+		dprintk(MANTIS_DEBUG, 1, "Set stream to HIF");
+		reg &= 0xff - MANTIS_BYPASS;
+		mmwrite(reg, MANTIS_CONTROL);
+		reg |= MANTIS_BYPASS;
+		mmwrite(reg, MANTIS_CONTROL);
+		break;
+
+	case STREAM_TO_CAM:
+		dprintk(MANTIS_DEBUG, 1, "Set stream to CAM");
+		reg |= MANTIS_BYPASS;
+		mmwrite(reg, MANTIS_CONTROL);
+		reg &= 0xff - MANTIS_BYPASS;
+		mmwrite(reg, MANTIS_CONTROL);
+		break;
+	default:
+		dprintk(MANTIS_ERROR, 1, "Unknown MODE <%02x>", stream_ctl);
+		return -1;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mantis_stream_control);