return 0;
}
-static int ngene_command(struct ngene *dev, struct ngene_command *com)
+int ngene_command(struct ngene *dev, struct ngene_command *com)
{
int result;
}
-static int ngene_command_i2c_read(struct ngene *dev, u8 adr,
- u8 *out, u8 outlen, u8 *in, u8 inlen, int flag)
-{
- struct ngene_command com;
-
- com.cmd.hdr.Opcode = CMD_I2C_READ;
- com.cmd.hdr.Length = outlen + 3;
- com.cmd.I2CRead.Device = adr << 1;
- memcpy(com.cmd.I2CRead.Data, out, outlen);
- com.cmd.I2CRead.Data[outlen] = inlen;
- com.cmd.I2CRead.Data[outlen + 1] = 0;
- com.in_len = outlen + 3;
- com.out_len = inlen + 1;
-
- if (ngene_command(dev, &com) < 0)
- return -EIO;
-
- if ((com.cmd.raw8[0] >> 1) != adr)
- return -EIO;
-
- if (flag)
- memcpy(in, com.cmd.raw8, inlen + 1);
- else
- memcpy(in, com.cmd.raw8 + 1, inlen);
- return 0;
-}
-
-static int ngene_command_i2c_write(struct ngene *dev, u8 adr,
- u8 *out, u8 outlen)
-{
- struct ngene_command com;
-
-
- com.cmd.hdr.Opcode = CMD_I2C_WRITE;
- com.cmd.hdr.Length = outlen + 1;
- com.cmd.I2CRead.Device = adr << 1;
- memcpy(com.cmd.I2CRead.Data, out, outlen);
- com.in_len = outlen + 1;
- com.out_len = 1;
-
- if (ngene_command(dev, &com) < 0)
- return -EIO;
-
- if (com.cmd.raw8[0] == 1)
- return -EIO;
-
- return 0;
-}
-
static int ngene_command_load_firmware(struct ngene *dev,
u8 *ngene_fw, u32 size)
{
return 0;
}
-static int ngene_command_gpio_set(struct ngene *dev, u8 select, u8 level)
+int ngene_command_gpio_set(struct ngene *dev, u8 select, u8 level)
{
struct ngene_command com;
/****************************************************************************/
-/* I2C **********************************************************************/
+/* EEPROM TAGS **************************************************************/
/****************************************************************************/
-static void ngene_i2c_set_bus(struct ngene *dev, int bus)
-{
- if (!(dev->card_info->i2c_access & 2))
- return;
- if (dev->i2c_current_bus == bus)
- return;
-
- switch (bus) {
- case 0:
- ngene_command_gpio_set(dev, 3, 0);
- ngene_command_gpio_set(dev, 2, 1);
- break;
-
- case 1:
- ngene_command_gpio_set(dev, 2, 0);
- ngene_command_gpio_set(dev, 3, 1);
- break;
- }
- dev->i2c_current_bus = bus;
-}
-
-static int ngene_i2c_master_xfer(struct i2c_adapter *adapter,
- struct i2c_msg msg[], int num)
-{
- struct ngene_channel *chan =
- (struct ngene_channel *)i2c_get_adapdata(adapter);
- struct ngene *dev = chan->dev;
-
- down(&dev->i2c_switch_mutex);
- ngene_i2c_set_bus(dev, chan->number);
-
- if (num == 2 && msg[1].flags & I2C_M_RD && !(msg[0].flags & I2C_M_RD))
- if (!ngene_command_i2c_read(dev, msg[0].addr,
- msg[0].buf, msg[0].len,
- msg[1].buf, msg[1].len, 0))
- goto done;
-
- if (num == 1 && !(msg[0].flags & I2C_M_RD))
- if (!ngene_command_i2c_write(dev, msg[0].addr,
- msg[0].buf, msg[0].len))
- goto done;
- if (num == 1 && (msg[0].flags & I2C_M_RD))
- if (!ngene_command_i2c_read(dev, msg[0].addr, NULL, 0,
- msg[0].buf, msg[0].len, 0))
- goto done;
-
- up(&dev->i2c_switch_mutex);
- return -EIO;
-
-done:
- up(&dev->i2c_switch_mutex);
- return num;
-}
-
-
-static u32 ngene_i2c_functionality(struct i2c_adapter *adap)
-{
- return I2C_FUNC_SMBUS_EMUL;
-}
-
-static struct i2c_algorithm ngene_i2c_algo = {
- .master_xfer = ngene_i2c_master_xfer,
- .functionality = ngene_i2c_functionality,
-};
-
-static int ngene_i2c_init(struct ngene *dev, int dev_nr)
-{
- struct i2c_adapter *adap = &(dev->channel[dev_nr].i2c_adapter);
-
- i2c_set_adapdata(adap, &(dev->channel[dev_nr]));
- adap->class = I2C_CLASS_TV_DIGITAL | I2C_CLASS_TV_ANALOG;
-
- strcpy(adap->name, "nGene");
-
- adap->algo = &ngene_i2c_algo;
- adap->algo_data = (void *)&(dev->channel[dev_nr]);
- adap->dev.parent = &dev->pci_dev->dev;
-
- return i2c_add_adapter(adap);
-}
-
-
/****************************************************************************/
/* DVB functions and API interface ******************************************/
/****************************************************************************/
--- /dev/null
+/*
+ * ngene-i2c.c: nGene PCIe bridge driver i2c functions
+ *
+ * Copyright (C) 2005-2007 Micronas
+ *
+ * Copyright (C) 2008-2009 Ralph Metzler <rjkm@metzlerbros.de>
+ * Modifications for new nGene firmware,
+ * support for EEPROM-copying,
+ * support for new dual DVB-S2 card prototype
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 only, as published by the Free Software Foundation.
+ *
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+/* FIXME - some of these can probably be removed */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <linux/io.h>
+#include <asm/div64.h>
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
+#include <linux/smp_lock.h>
+#include <linux/timer.h>
+#include <linux/version.h>
+#include <linux/byteorder/generic.h>
+#include <linux/firmware.h>
+#include <linux/vmalloc.h>
+
+#include "ngene.h"
+
+/* Firmware command for i2c operations */
+static int ngene_command_i2c_read(struct ngene *dev, u8 adr,
+ u8 *out, u8 outlen, u8 *in, u8 inlen, int flag)
+{
+ struct ngene_command com;
+
+ com.cmd.hdr.Opcode = CMD_I2C_READ;
+ com.cmd.hdr.Length = outlen + 3;
+ com.cmd.I2CRead.Device = adr << 1;
+ memcpy(com.cmd.I2CRead.Data, out, outlen);
+ com.cmd.I2CRead.Data[outlen] = inlen;
+ com.cmd.I2CRead.Data[outlen + 1] = 0;
+ com.in_len = outlen + 3;
+ com.out_len = inlen + 1;
+
+ if (ngene_command(dev, &com) < 0)
+ return -EIO;
+
+ if ((com.cmd.raw8[0] >> 1) != adr)
+ return -EIO;
+
+ if (flag)
+ memcpy(in, com.cmd.raw8, inlen + 1);
+ else
+ memcpy(in, com.cmd.raw8 + 1, inlen);
+ return 0;
+}
+
+static int ngene_command_i2c_write(struct ngene *dev, u8 adr,
+ u8 *out, u8 outlen)
+{
+ struct ngene_command com;
+
+
+ com.cmd.hdr.Opcode = CMD_I2C_WRITE;
+ com.cmd.hdr.Length = outlen + 1;
+ com.cmd.I2CRead.Device = adr << 1;
+ memcpy(com.cmd.I2CRead.Data, out, outlen);
+ com.in_len = outlen + 1;
+ com.out_len = 1;
+
+ if (ngene_command(dev, &com) < 0)
+ return -EIO;
+
+ if (com.cmd.raw8[0] == 1)
+ return -EIO;
+
+ return 0;
+}
+
+static void ngene_i2c_set_bus(struct ngene *dev, int bus)
+{
+ if (!(dev->card_info->i2c_access & 2))
+ return;
+ if (dev->i2c_current_bus == bus)
+ return;
+
+ switch (bus) {
+ case 0:
+ ngene_command_gpio_set(dev, 3, 0);
+ ngene_command_gpio_set(dev, 2, 1);
+ break;
+
+ case 1:
+ ngene_command_gpio_set(dev, 2, 0);
+ ngene_command_gpio_set(dev, 3, 1);
+ break;
+ }
+ dev->i2c_current_bus = bus;
+}
+
+static int ngene_i2c_master_xfer(struct i2c_adapter *adapter,
+ struct i2c_msg msg[], int num)
+{
+ struct ngene_channel *chan =
+ (struct ngene_channel *)i2c_get_adapdata(adapter);
+ struct ngene *dev = chan->dev;
+
+ down(&dev->i2c_switch_mutex);
+ ngene_i2c_set_bus(dev, chan->number);
+
+ if (num == 2 && msg[1].flags & I2C_M_RD && !(msg[0].flags & I2C_M_RD))
+ if (!ngene_command_i2c_read(dev, msg[0].addr,
+ msg[0].buf, msg[0].len,
+ msg[1].buf, msg[1].len, 0))
+ goto done;
+
+ if (num == 1 && !(msg[0].flags & I2C_M_RD))
+ if (!ngene_command_i2c_write(dev, msg[0].addr,
+ msg[0].buf, msg[0].len))
+ goto done;
+ if (num == 1 && (msg[0].flags & I2C_M_RD))
+ if (!ngene_command_i2c_read(dev, msg[0].addr, NULL, 0,
+ msg[0].buf, msg[0].len, 0))
+ goto done;
+
+ up(&dev->i2c_switch_mutex);
+ return -EIO;
+
+done:
+ up(&dev->i2c_switch_mutex);
+ return num;
+}
+
+
+static u32 ngene_i2c_functionality(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_SMBUS_EMUL;
+}
+
+static struct i2c_algorithm ngene_i2c_algo = {
+ .master_xfer = ngene_i2c_master_xfer,
+ .functionality = ngene_i2c_functionality,
+};
+
+int ngene_i2c_init(struct ngene *dev, int dev_nr)
+{
+ struct i2c_adapter *adap = &(dev->channel[dev_nr].i2c_adapter);
+
+ i2c_set_adapdata(adap, &(dev->channel[dev_nr]));
+ adap->class = I2C_CLASS_TV_DIGITAL | I2C_CLASS_TV_ANALOG;
+
+ strcpy(adap->name, "nGene");
+
+ adap->algo = &ngene_i2c_algo;
+ adap->algo_data = (void *)&(dev->channel[dev_nr]);
+ adap->dev.parent = &dev->pci_dev->dev;
+
+ return i2c_add_adapter(adap);
+}
+
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff