V4L/DVB (13699): [Mantis, MB86A16] Initial checkin: Mantis, MB86A16

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 215 insertions, 0 deletions

diff --git a/drivers/media/dvb/mantis/mantis_core.c b/drivers/media/dvb/mantis/mantis_core.c
new file mode 100644
index 0000000..1112277
--- /dev/null
+++ b/drivers/media/dvb/mantis/mantis_core.c
@@ -0,0 +1,215 @@
+/*
+	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 "mantis_common.h"
+#include "mantis_core.h"
+
+
+static int read_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length)
+{
+	int err;
+	struct i2c_msg msg[] = {
+		{
+			.addr = 0x50,
+			.flags = 0,
+			.buf = data,
+			.len = 1
+		},{
+			.addr = 0x50,
+			.flags = I2C_M_RD,
+			.buf = data,
+			.len = length
+		},
+	};
+	if ((err = i2c_transfer(&mantis->adapter, msg, 2)) < 0) {
+		dprintk(verbose, MANTIS_ERROR, 1,
+			"ERROR: i2c read: < err=%i d0=0x%02x d1=0x%02x >",
+			err, data[0], data[1]);
+
+		return err;
+	}
+	msleep_interruptible(2);
+
+	return 0;
+}
+
+static int write_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length)
+{
+	int err;
+
+	struct i2c_msg msg = {
+		.addr = 0x50,
+		.flags = 0,
+		.buf = data,
+		.len = length
+	};
+
+	if ((err = i2c_transfer(&mantis->adapter, &msg, 1)) < 0) {
+		dprintk(verbose, 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;
+}
+
+static int get_subdevice_id(struct mantis_pci *mantis)
+{
+	int err;
+	static u8 sub_device_id[2];
+
+	mantis->sub_device_id = 0;
+	sub_device_id[0] = 0xfc;
+	if ((err = read_eeprom_byte(mantis, &sub_device_id[0], 2)) < 0) {
+		dprintk(verbose, MANTIS_ERROR, 1, "Mantis EEPROM read error");
+		return err;
+	}
+	mantis->sub_device_id = (sub_device_id[0] << 8) | sub_device_id[1];
+	dprintk(verbose, MANTIS_ERROR, 1, "Sub Device ID=[0x%04x]",
+		mantis->sub_device_id);
+
+	return 0;
+}
+
+static int get_subvendor_id(struct mantis_pci *mantis)
+{
+	int err;
+	static u8 sub_vendor_id[2];
+
+	mantis->sub_vendor_id = 0;
+	sub_vendor_id[0] = 0xfe;
+	if ((err = read_eeprom_byte(mantis, &sub_vendor_id[0], 2)) < 0) {
+		dprintk(verbose, MANTIS_ERROR, 1, "Mantis EEPROM read error");
+		return err;
+	}
+	mantis->sub_vendor_id = (sub_vendor_id[0] << 8) | sub_vendor_id[1];
+	dprintk(verbose, MANTIS_ERROR, 1, "Sub Vendor ID=[0x%04x]",
+		mantis->sub_vendor_id);
+
+	return 0;
+}
+
+static int get_mac_address(struct mantis_pci *mantis)
+{
+	int err;
+
+	mantis->mac_address[0] = 0x08;
+	if ((err = read_eeprom_byte(mantis, &mantis->mac_address[0], 6)) < 0) {
+		dprintk(verbose, MANTIS_ERROR, 1, "Mantis EEPROM read error");
+
+		return err;
+	}
+	dprintk(verbose, MANTIS_ERROR, 1,
+		"MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]",
+		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;
+}
+
+
+int mantis_core_init(struct mantis_pci *mantis)
+{
+	int err = 0;
+
+	if ((err = mantis_i2c_init(mantis)) < 0) {
+		dprintk(verbose, MANTIS_ERROR, 1, "Mantis I2C init failed");
+		return err;
+	}
+	if ((err = get_mac_address(mantis)) < 0) {
+		dprintk(verbose, MANTIS_ERROR, 1, "get MAC address failed");
+		return err;
+	}
+	if ((err = get_subvendor_id(mantis)) < 0) {
+		dprintk(verbose, MANTIS_ERROR, 1, "get Sub vendor ID failed");
+		return err;
+	}
+	if ((err = get_subdevice_id(mantis)) < 0) {
+		dprintk(verbose, MANTIS_ERROR, 1, "get Sub device ID failed");
+		return err;
+	}
+	if ((err = mantis_dma_init(mantis)) < 0) {
+		dprintk(verbose, MANTIS_ERROR, 1, "Mantis DMA init failed");
+		return err;
+	}
+	if ((err = mantis_dvb_init(mantis)) < 0) {
+		dprintk(verbose, MANTIS_DEBUG, 1, "Mantis DVB init failed");
+		return err;
+	}
+
+	return 0;
+}
+
+int mantis_core_exit(struct mantis_pci *mantis)
+{
+
+	mantis_dma_stop(mantis);
+	dprintk(verbose, MANTIS_ERROR, 1, "DMA engine stopping");
+	if (mantis_dma_exit(mantis) < 0)
+		dprintk(verbose, MANTIS_ERROR, 1, "DMA exit failed");
+	if (mantis_dvb_exit(mantis) < 0)
+		dprintk(verbose, MANTIS_ERROR, 1, "DVB exit failed");
+	if (mantis_i2c_exit(mantis) < 0)
+		dprintk(verbose, MANTIS_ERROR, 1, "I2C adapter delete.. failed");
+
+	return 0;
+}
+
+void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value)
+{
+	u32 reg;
+
+	if (value)
+		reg = 0x0000;
+	else
+		reg = 0xffff;
+
+	reg = (value << bitpos);
+
+	mmwrite(mmread(MANTIS_GPIF_ADDR) | reg, MANTIS_GPIF_ADDR);
+	mmwrite(0x00, MANTIS_GPIF_DOUT);
+	udelay(100);
+	mmwrite(mmread(MANTIS_GPIF_ADDR) | reg, MANTIS_GPIF_ADDR);
+	mmwrite(0x00, MANTIS_GPIF_DOUT);
+}
+
+
+//direction = 0 , no CI passthrough ; 1 , CI passthrough
+void mantis_set_direction(struct mantis_pci *mantis, int direction)
+{
+	u32 reg;
+
+	reg = mmread(0x28);
+	dprintk(verbose, MANTIS_DEBUG, 1, "TS direction setup");
+	if (direction == 0x01) { //to CI
+		reg |= 0x04;
+		mmwrite(reg, 0x28);
+		reg &= 0xff - 0x04;
+		mmwrite(reg, 0x28);
+	} else {
+		reg &= 0xff - 0x04;
+		mmwrite(reg, 0x28);
+		reg |= 0x04;
+		mmwrite(reg, 0x28);
+	}
+}