1 files changed, 0 insertions, 326 deletions

diff --git a/ANDROID_3.4.5/drivers/i2c/busses/i2c-powermac.c b/ANDROID_3.4.5/drivers/i2c/busses/i2c-powermac.c
deleted file mode 100644
index 7b397c6f..00000000
--- a/ANDROID_3.4.5/drivers/i2c/busses/i2c-powermac.c
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
-    i2c Support for Apple SMU Controller
-
-    Copyright (c) 2005 Benjamin Herrenschmidt, IBM Corp.
-                       <benh@kernel.crashing.org>
-
-    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/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/i2c.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <asm/prom.h>
-#include <asm/pmac_low_i2c.h>
-
-MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>");
-MODULE_DESCRIPTION("I2C driver for Apple PowerMac");
-MODULE_LICENSE("GPL");
-
-/*
- * SMBUS-type transfer entrypoint
- */
-static s32 i2c_powermac_smbus_xfer(	struct i2c_adapter*	adap,
-					u16			addr,
-					unsigned short		flags,
-					char			read_write,
-					u8			command,
-					int			size,
-					union i2c_smbus_data*	data)
-{
-	struct pmac_i2c_bus	*bus = i2c_get_adapdata(adap);
-	int			rc = 0;
-	int			read = (read_write == I2C_SMBUS_READ);
-	int			addrdir = (addr << 1) | read;
-	int			mode, subsize, len;
-	u32			subaddr;
-	u8			*buf;
-	u8			local[2];
-
-	if (size == I2C_SMBUS_QUICK || size == I2C_SMBUS_BYTE) {
-		mode = pmac_i2c_mode_std;
-		subsize = 0;
-		subaddr = 0;
-	} else {
-		mode = read ? pmac_i2c_mode_combined : pmac_i2c_mode_stdsub;
-		subsize = 1;
-		subaddr = command;
-	}
-
-	switch (size) {
-        case I2C_SMBUS_QUICK:
-		buf = NULL;
-		len = 0;
-	    	break;
-        case I2C_SMBUS_BYTE:
-        case I2C_SMBUS_BYTE_DATA:
-		buf = &data->byte;
-		len = 1;
-	    	break;
-        case I2C_SMBUS_WORD_DATA:
-		if (!read) {
-			local[0] = data->word & 0xff;
-			local[1] = (data->word >> 8) & 0xff;
-		}
-		buf = local;
-		len = 2;
-	    	break;
-
-	/* Note that these are broken vs. the expected smbus API where
-	 * on reads, the length is actually returned from the function,
-	 * but I think the current API makes no sense and I don't want
-	 * any driver that I haven't verified for correctness to go
-	 * anywhere near a pmac i2c bus anyway ...
-	 *
-	 * I'm also not completely sure what kind of phases to do between
-	 * the actual command and the data (what I am _supposed_ to do that
-	 * is). For now, I assume writes are a single stream and reads have
-	 * a repeat start/addr phase (but not stop in between)
-	 */
-        case I2C_SMBUS_BLOCK_DATA:
-		buf = data->block;
-		len = data->block[0] + 1;
-		break;
-	case I2C_SMBUS_I2C_BLOCK_DATA:
-		buf = &data->block[1];
-		len = data->block[0];
-		break;
-
-        default:
-		return -EINVAL;
-	}
-
-	rc = pmac_i2c_open(bus, 0);
-	if (rc) {
-		dev_err(&adap->dev, "Failed to open I2C, err %d\n", rc);
-		return rc;
-	}
-
-	rc = pmac_i2c_setmode(bus, mode);
-	if (rc) {
-		dev_err(&adap->dev, "Failed to set I2C mode %d, err %d\n",
-			mode, rc);
-		goto bail;
-	}
-
-	rc = pmac_i2c_xfer(bus, addrdir, subsize, subaddr, buf, len);
-	if (rc) {
-		if (rc == -ENXIO)
-			dev_dbg(&adap->dev,
-				"I2C transfer at 0x%02x failed, size %d, "
-				"err %d\n", addrdir >> 1, size, rc);
-		else
-			dev_err(&adap->dev,
-				"I2C transfer at 0x%02x failed, size %d, "
-				"err %d\n", addrdir >> 1, size, rc);
-		goto bail;
-	}
-
-	if (size == I2C_SMBUS_WORD_DATA && read) {
-		data->word = ((u16)local[1]) << 8;
-		data->word |= local[0];
-	}
-
- bail:
-	pmac_i2c_close(bus);
-	return rc;
-}
-
-/*
- * Generic i2c master transfer entrypoint. This driver only support single
- * messages (for "lame i2c" transfers). Anything else should use the smbus
- * entry point
- */
-static int i2c_powermac_master_xfer(	struct i2c_adapter *adap,
-					struct i2c_msg *msgs,
-					int num)
-{
-	struct pmac_i2c_bus	*bus = i2c_get_adapdata(adap);
-	int			rc = 0;
-	int			read;
-	int			addrdir;
-
-	if (num != 1) {
-		dev_err(&adap->dev,
-			"Multi-message I2C transactions not supported\n");
-		return -EOPNOTSUPP;
-	}
-
-	if (msgs->flags & I2C_M_TEN)
-		return -EINVAL;
-	read = (msgs->flags & I2C_M_RD) != 0;
-	addrdir = (msgs->addr << 1) | read;
-
-	rc = pmac_i2c_open(bus, 0);
-	if (rc) {
-		dev_err(&adap->dev, "Failed to open I2C, err %d\n", rc);
-		return rc;
-	}
-	rc = pmac_i2c_setmode(bus, pmac_i2c_mode_std);
-	if (rc) {
-		dev_err(&adap->dev, "Failed to set I2C mode %d, err %d\n",
-			pmac_i2c_mode_std, rc);
-		goto bail;
-	}
-	rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len);
-	if (rc < 0) {
-		if (rc == -ENXIO)
-			dev_dbg(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
-				addrdir & 1 ? "read from" : "write to",
-				addrdir >> 1, rc);
-		else
-			dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
-				addrdir & 1 ? "read from" : "write to",
-				addrdir >> 1, rc);
-	}
- bail:
-	pmac_i2c_close(bus);
-	return rc < 0 ? rc : 1;
-}
-
-static u32 i2c_powermac_func(struct i2c_adapter * adapter)
-{
-	return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
-		I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
-		I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_I2C;
-}
-
-/* For now, we only handle smbus */
-static const struct i2c_algorithm i2c_powermac_algorithm = {
-	.smbus_xfer	= i2c_powermac_smbus_xfer,
-	.master_xfer	= i2c_powermac_master_xfer,
-	.functionality	= i2c_powermac_func,
-};
-
-
-static int __devexit i2c_powermac_remove(struct platform_device *dev)
-{
-	struct i2c_adapter	*adapter = platform_get_drvdata(dev);
-	int			rc;
-
-	rc = i2c_del_adapter(adapter);
-	/* We aren't that prepared to deal with this... */
-	if (rc)
-		printk(KERN_WARNING
-		       "i2c-powermac.c: Failed to remove bus %s !\n",
-		       adapter->name);
-	platform_set_drvdata(dev, NULL);
-	memset(adapter, 0, sizeof(*adapter));
-
-	return 0;
-}
-
-
-static int __devinit i2c_powermac_probe(struct platform_device *dev)
-{
-	struct pmac_i2c_bus *bus = dev->dev.platform_data;
-	struct device_node *parent = NULL;
-	struct i2c_adapter *adapter;
-	const char *basename;
-	int rc;
-
-	if (bus == NULL)
-		return -EINVAL;
-	adapter = pmac_i2c_get_adapter(bus);
-
-	/* Ok, now we need to make up a name for the interface that will
-	 * match what we used to do in the past, that is basically the
-	 * controller's parent device node for keywest. PMU didn't have a
-	 * naming convention and SMU has a different one
-	 */
-	switch(pmac_i2c_get_type(bus)) {
-	case pmac_i2c_bus_keywest:
-		parent = of_get_parent(pmac_i2c_get_controller(bus));
-		if (parent == NULL)
-			return -EINVAL;
-		basename = parent->name;
-		break;
-	case pmac_i2c_bus_pmu:
-		basename = "pmu";
-		break;
-	case pmac_i2c_bus_smu:
-		/* This is not what we used to do but I'm fixing drivers at
-		 * the same time as this change
-		 */
-		basename = "smu";
-		break;
-	default:
-		return -EINVAL;
-	}
-	snprintf(adapter->name, sizeof(adapter->name), "%s %d", basename,
-		 pmac_i2c_get_channel(bus));
-	of_node_put(parent);
-
-	platform_set_drvdata(dev, adapter);
-	adapter->algo = &i2c_powermac_algorithm;
-	i2c_set_adapdata(adapter, bus);
-	adapter->dev.parent = &dev->dev;
-	rc = i2c_add_adapter(adapter);
-	if (rc) {
-		printk(KERN_ERR "i2c-powermac: Adapter %s registration "
-		       "failed\n", adapter->name);
-		memset(adapter, 0, sizeof(*adapter));
-	}
-
-	printk(KERN_INFO "PowerMac i2c bus %s registered\n", adapter->name);
-
-	if (!strncmp(basename, "uni-n", 5)) {
-		struct device_node *np;
-		const u32 *prop;
-		struct i2c_board_info info;
-
-		/* Instantiate I2C motion sensor if present */
-		np = of_find_node_by_name(NULL, "accelerometer");
-		if (np && of_device_is_compatible(np, "AAPL,accelerometer_1") &&
-		    (prop = of_get_property(np, "reg", NULL))) {
-			int i2c_bus;
-			const char *tmp_bus;
-
-			/* look for bus either using "reg" or by path */
-			tmp_bus = strstr(np->full_name, "/i2c-bus@");
-			if (tmp_bus)
-				i2c_bus = *(tmp_bus + 9) - '0';
-			else
-				i2c_bus = ((*prop) >> 8) & 0x0f;
-
-			if (pmac_i2c_get_channel(bus) == i2c_bus) {
-				memset(&info, 0, sizeof(struct i2c_board_info));
-				info.addr = ((*prop) & 0xff) >> 1;
-				strlcpy(info.type, "ams", I2C_NAME_SIZE);
-				i2c_new_device(adapter, &info);
-			}
-		}
-	}
-
-	return rc;
-}
-
-static struct platform_driver i2c_powermac_driver = {
-	.probe = i2c_powermac_probe,
-	.remove = __devexit_p(i2c_powermac_remove),
-	.driver = {
-		.name = "i2c-powermac",
-		.bus = &platform_bus_type,
-	},
-};
-
-module_platform_driver(i2c_powermac_driver);
-
-MODULE_ALIAS("platform:i2c-powermac");