V4L/DVB (10796): Add init code for NetUP Dual DVB-S2 CI card

Add init code for NetUP Dual DVB-S2 CI card
The card based on cx23885 PCI-e bridge, CiMax SP2 Common Interface chips,
STM lnbh24 LNB power chip, stv6110 tuners and stv0900 demodulator.

Signed-off-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Igor M. Liplianin <liplianin@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 150 insertions, 0 deletions

diff --git a/drivers/media/video/cx23885/netup-init.c b/drivers/media/video/cx23885/netup-init.c
new file mode 100644
index 000000000000..f4893e69cd89
--- /dev/null
+++ b/drivers/media/video/cx23885/netup-init.c
@@ -0,0 +1,125 @@
+/*
+ * netup-init.c
+ *
+ * NetUP Dual DVB-S2 CI driver
+ *
+ * Copyright (C) 2009 NetUP Inc.
+ * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
+ * Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
+ *
+ * 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 "cx23885.h"
+
+static void i2c_av_write(struct i2c_adapter *i2c, u16 reg, u8 val)
+{
+        int ret;
+        u8 buf[3];
+        struct i2c_msg msg = {
+                .addr   = 0x88 >> 1,
+                .flags  = 0,
+                .buf    = buf,
+                .len    = 3
+        };
+
+        buf[0] = reg >> 8;
+        buf[1] = reg & 0xff;
+        buf[2] = val;
+
+        ret = i2c_transfer(i2c, &msg, 1);
+
+        if (ret != 1)
+                printk(KERN_ERR "%s: i2c write error!\n", __func__);
+}
+
+static void i2c_av_write4(struct i2c_adapter *i2c, u16 reg, u32 val)
+{
+        int ret;
+        u8 buf[6];
+        struct i2c_msg msg = {
+                .addr   = 0x88 >> 1,
+                .flags  = 0,
+                .buf    = buf,
+                .len    = 6
+        };
+
+        buf[0] = reg >> 8;
+        buf[1] = reg & 0xff;
+        buf[2] = val & 0xff;
+        buf[3] = (val >> 8) & 0xff;
+        buf[4] = (val >> 16) & 0xff;
+        buf[5] = val >> 24;
+
+        ret = i2c_transfer(i2c, &msg, 1);
+
+        if (ret != 1)
+                printk(KERN_ERR "%s: i2c write error!\n", __func__);
+}
+
+static u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg)
+{
+        int ret;
+        u8 buf[2];
+        struct i2c_msg msg = {
+                .addr   = 0x88 >> 1,
+                .flags  = 0,
+                .buf    = buf,
+                .len    = 2
+        };
+
+        buf[0] = reg >> 8;
+        buf[1] = reg & 0xff;
+
+        ret = i2c_transfer(i2c, &msg, 1);
+
+        if (ret != 1)
+                printk(KERN_ERR "%s: i2c write error!\n", __func__);
+
+        msg.flags = I2C_M_RD;
+        msg.len = 1;
+
+        ret = i2c_transfer(i2c, &msg, 1);
+
+        if (ret != 1)
+                printk(KERN_ERR "%s: i2c read error!\n", __func__);
+
+        return buf[0];
+}
+
+static void i2c_av_and_or(struct i2c_adapter *i2c, u16 reg, unsigned and_mask,
+                                                                u8 or_value)
+{
+        i2c_av_write(i2c, reg, (i2c_av_read(i2c, reg) & and_mask) | or_value);
+}
+/* set 27MHz on AUX_CLK */
+void netup_initialize(struct cx23885_dev *dev)
+{
+        struct cx23885_i2c *i2c_bus = &dev->i2c_bus[2];
+        struct i2c_adapter *i2c = &i2c_bus->i2c_adap;
+
+        /* Stop microcontroller */
+        i2c_av_and_or(i2c, 0x803, ~0x10, 0x00);
+
+        /* Aux PLL frac for 27 MHz */
+        i2c_av_write4(i2c, 0x114, 0xea0eb3);
+
+        /* Aux PLL int for 27 MHz */
+        i2c_av_write4(i2c, 0x110, 0x090319);
+
+        /* start microcontroller */
+        i2c_av_and_or(i2c, 0x803, ~0x10, 0x10);
+}
diff --git a/drivers/media/video/cx23885/netup-init.h b/drivers/media/video/cx23885/netup-init.h
new file mode 100644
index 000000000000..d26ae4b1590e
--- /dev/null
+++ b/drivers/media/video/cx23885/netup-init.h
@@ -0,0 +1,25 @@
+/*
+ * netup-init.h
+ *
+ * NetUP Dual DVB-S2 CI driver
+ *
+ * Copyright (C) 2009 NetUP Inc.
+ * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
+ * Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
+ *
+ * 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.
+ */
+extern void netup_initialize(struct cx23885_dev *dev);