Re: [PATCH] I2C patches for 2.6.10
From: Greg KH
Date: Sat Jan 08 2005 - 03:59:55 EST
ChangeSet 1.1938.445.9, 2004/12/21 11:08:43-08:00, sjhill@xxxxxxxxxxxxxxxxxx
[PATCH] I2C patch from MIPS tree...
Here is a newer i2c patch from the mainline Linux/MIPS kernel
tree. Some more changes came in since yesterday. Please apply
this for inclusion in the next Linux release. Thanks.
Signed-off-by: Steven J. Hill <sjhill@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <greg@xxxxxxxxx>
drivers/i2c/algos/Kconfig | 13 ++
drivers/i2c/algos/Makefile | 2
drivers/i2c/algos/i2c-algo-sgi.c | 189 +++++++++++++++++++++++++++++
drivers/i2c/algos/i2c-algo-sibyte.c | 231 ++++++++++++++++++++++++++++++++++++
drivers/i2c/busses/Kconfig | 6
drivers/i2c/busses/Makefile | 1
drivers/i2c/busses/i2c-sibyte.c | 71 +++++++++++
include/linux/i2c-algo-sgi.h | 27 ++++
include/linux/i2c-algo-sibyte.h | 33 +++++
include/linux/i2c-id.h | 11 +
10 files changed, 584 insertions(+)
diff -Nru a/drivers/i2c/algos/Kconfig b/drivers/i2c/algos/Kconfig
--- a/drivers/i2c/algos/Kconfig 2005-01-07 14:55:20 -08:00
+++ b/drivers/i2c/algos/Kconfig 2005-01-07 14:55:20 -08:00
@@ -53,5 +53,18 @@
tristate "MPC8xx CPM I2C interface"
depends on 8xx && I2C
+config I2C_ALGO_SIBYTE
+ tristate "SiByte SMBus interface"
+ depends on SIBYTE_SB1xxx_SOC && I2C
+ help
+ Supports the SiByte SOC on-chip I2C interfaces (2 channels).
+
+config I2C_ALGO_SGI
+ tristate "I2C SGI interfaces"
+ depends on I2C
+ help
+ Supports the SGI interfaces like the ones found on SGI Indy VINO
+ or SGI O2 MACE.
+
endmenu
diff -Nru a/drivers/i2c/algos/Makefile b/drivers/i2c/algos/Makefile
--- a/drivers/i2c/algos/Makefile 2005-01-07 14:55:20 -08:00
+++ b/drivers/i2c/algos/Makefile 2005-01-07 14:55:20 -08:00
@@ -6,6 +6,8 @@
obj-$(CONFIG_I2C_ALGOPCF) += i2c-algo-pcf.o
obj-$(CONFIG_I2C_ALGOPCA) += i2c-algo-pca.o
obj-$(CONFIG_I2C_ALGOITE) += i2c-algo-ite.o
+obj-$(CONFIG_I2C_ALGO_SIBYTE) += i2c-algo-sibyte.o
+obj-$(CONFIG_I2C_ALGO_SGI) += i2c-algo-sgi.o
ifeq ($(CONFIG_I2C_DEBUG_ALGO),y)
EXTRA_CFLAGS += -DDEBUG
diff -Nru a/drivers/i2c/algos/i2c-algo-sgi.c b/drivers/i2c/algos/i2c-algo-sgi.c
--- /dev/null Wed Dec 31 16:00:00 196900
+++ b/drivers/i2c/algos/i2c-algo-sgi.c 2005-01-07 14:55:20 -08:00
@@ -0,0 +1,189 @@
+/*
+ * i2c-algo-sgi.c: i2c driver algorithms for SGI adapters.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * Copyright (C) 2003 Ladislav Michl <ladis@xxxxxxxxxxxxxx>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c-algo-sgi.h>
+
+
+#define SGI_I2C_FORCE_IDLE (0 << 0)
+#define SGI_I2C_NOT_IDLE (1 << 0)
+#define SGI_I2C_WRITE (0 << 1)
+#define SGI_I2C_READ (1 << 1)
+#define SGI_I2C_RELEASE_BUS (0 << 2)
+#define SGI_I2C_HOLD_BUS (1 << 2)
+#define SGI_I2C_XFER_DONE (0 << 4)
+#define SGI_I2C_XFER_BUSY (1 << 4)
+#define SGI_I2C_ACK (0 << 5)
+#define SGI_I2C_NACK (1 << 5)
+#define SGI_I2C_BUS_OK (0 << 7)
+#define SGI_I2C_BUS_ERR (1 << 7)
+
+#define get_control() adap->getctrl(adap->data)
+#define set_control(val) adap->setctrl(adap->data, val)
+#define read_data() adap->rdata(adap->data)
+#define write_data(val) adap->wdata(adap->data, val)
+
+
+static int wait_xfer_done(struct i2c_algo_sgi_data *adap)
+{
+ int i;
+
+ for (i = 0; i < adap->xfer_timeout; i++) {
+ if ((get_control() & SGI_I2C_XFER_BUSY) == 0)
+ return 0;
+ udelay(1);
+ }
+
+ return -ETIMEDOUT;
+}
+
+static int wait_ack(struct i2c_algo_sgi_data *adap)
+{
+ int i;
+
+ if (wait_xfer_done(adap))
+ return -ETIMEDOUT;
+ for (i = 0; i < adap->ack_timeout; i++) {
+ if ((get_control() & SGI_I2C_NACK) == 0)
+ return 0;
+ udelay(1);
+ }
+
+ return -ETIMEDOUT;
+}
+
+static int force_idle(struct i2c_algo_sgi_data *adap)
+{
+ int i;
+
+ set_control(SGI_I2C_FORCE_IDLE);
+ for (i = 0; i < adap->xfer_timeout; i++) {
+ if ((get_control() & SGI_I2C_NOT_IDLE) == 0)
+ goto out;
+ udelay(1);
+ }
+ return -ETIMEDOUT;
+out:
+ if (get_control() & SGI_I2C_BUS_ERR)
+ return -EIO;
+ return 0;
+}
+
+static int do_address(struct i2c_algo_sgi_data *adap, unsigned int addr,
+ int rd)
+{
+ if (rd)
+ set_control(SGI_I2C_NOT_IDLE);
+ /* Check if bus is idle, eventually force it to do so */
+ if (get_control() & SGI_I2C_NOT_IDLE)
+ if (force_idle(adap))
+ return -EIO;
+ /* Write out the i2c chip address and specify operation */
+ set_control(SGI_I2C_HOLD_BUS | SGI_I2C_WRITE | SGI_I2C_NOT_IDLE);
+ if (rd)
+ addr |= 1;
+ write_data(addr);
+ if (wait_ack(adap))
+ return -EIO;
+ return 0;
+}
+
+static int i2c_read(struct i2c_algo_sgi_data *adap, unsigned char *buf,
+ unsigned int len)
+{
+ int i;
+
+ set_control(SGI_I2C_HOLD_BUS | SGI_I2C_READ | SGI_I2C_NOT_IDLE);
+ for (i = 0; i < len; i++) {
+ if (wait_xfer_done(adap))
+ return -EIO;
+ buf[i] = read_data();
+ }
+ set_control(SGI_I2C_RELEASE_BUS | SGI_I2C_FORCE_IDLE);
+
+ return 0;
+
+}
+
+static int i2c_write(struct i2c_algo_sgi_data *adap, unsigned char *buf,
+ unsigned int len)
+{
+ int i;
+
+ /* We are already in write state */
+ for (i = 0; i < len; i++) {
+ write_data(buf[i]);
+ if (wait_ack(adap))
+ return -EIO;
+ }
+ return 0;
+}
+
+static int sgi_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[],
+ int num)
+{
+ struct i2c_algo_sgi_data *adap = i2c_adap->algo_data;
+ struct i2c_msg *p;
+ int i, err = 0;
+
+ for (i = 0; !err && i < num; i++) {
+ p = &msgs[i];
+ err = do_address(adap, p->addr, p->flags & I2C_M_RD);
+ if (err || !p->len)
+ continue;
+ if (p->flags & I2C_M_RD)
+ err = i2c_read(adap, p->buf, p->len);
+ else
+ err = i2c_write(adap, p->buf, p->len);
+ }
+
+ return err;
+}
+
+static u32 sgi_func(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_SMBUS_EMUL;
+}
+
+static struct i2c_algorithm sgi_algo = {
+ .name = "SGI algorithm",
+ .id = I2C_ALGO_SGI,
+ .master_xfer = sgi_xfer,
+ .functionality = sgi_func,
+};
+
+/*
+ * registering functions to load algorithms at runtime
+ */
+int i2c_sgi_add_bus(struct i2c_adapter *adap)
+{
+ adap->id |= sgi_algo.id;
+ adap->algo = &sgi_algo;
+
+ return i2c_add_adapter(adap);
+}
+
+
+int i2c_sgi_del_bus(struct i2c_adapter *adap)
+{
+ return i2c_del_adapter(adap);
+}
+
+EXPORT_SYMBOL(i2c_sgi_add_bus);
+EXPORT_SYMBOL(i2c_sgi_del_bus);
+
+MODULE_AUTHOR("Ladislav Michl <ladis@xxxxxxxxxxxxxx>");
+MODULE_DESCRIPTION("I2C-Bus SGI algorithm");
+MODULE_LICENSE("GPL");
diff -Nru a/drivers/i2c/algos/i2c-algo-sibyte.c b/drivers/i2c/algos/i2c-algo-sibyte.c
--- /dev/null Wed Dec 31 16:00:00 196900
+++ b/drivers/i2c/algos/i2c-algo-sibyte.c 2005-01-07 14:55:20 -08:00
@@ -0,0 +1,231 @@
+/* ------------------------------------------------------------------------- */
+/* i2c-algo-sibyte.c i2c driver algorithms for bit-shift adapters */
+/* ------------------------------------------------------------------------- */
+/* Copyright (C) 2001,2002,2003 Broadcom Corporation
+ Copyright (C) 1995-2000 Simon G. Vogl
+
+ 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. */
+/* ------------------------------------------------------------------------- */
+
+/* With some changes from Kyösti Mälkki <kmalkki@xxxxxxxxx> and even
+ Frodo Looijaard <frodol@xxxxxx>. */
+
+/* Ported for SiByte SOCs by Broadcom Corporation. */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+
+#include <asm/io.h>
+#include <asm/sibyte/sb1250_regs.h>
+#include <asm/sibyte/sb1250_smbus.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c-algo-sibyte.h>
+
+/* ----- global defines ----------------------------------------------- */
+#define SMB_CSR(a,r) ((long)(a->reg_base + r))
+
+/* ----- global variables --------------------------------------------- */
+
+/* module parameters:
+ */
+static int bit_scan=0; /* have a look at what's hanging 'round */
+
+
+static int smbus_xfer(struct i2c_adapter *i2c_adap, u16 addr,
+ unsigned short flags, char read_write,
+ u8 command, int size, union i2c_smbus_data * data)
+{
+ struct i2c_algo_sibyte_data *adap = i2c_adap->algo_data;
+ int data_bytes = 0;
+ int error;
+
+ while (csr_in32(SMB_CSR(adap, R_SMB_STATUS)) & M_SMB_BUSY)
+ ;
+
+ switch (size) {
+ case I2C_SMBUS_QUICK:
+ csr_out32((V_SMB_ADDR(addr) | (read_write == I2C_SMBUS_READ ? M_SMB_QDATA : 0) |
+ V_SMB_TT_QUICKCMD), SMB_CSR(adap, R_SMB_START));
+ break;
+ case I2C_SMBUS_BYTE:
+ if (read_write == I2C_SMBUS_READ) {
+ csr_out32((V_SMB_ADDR(addr) | V_SMB_TT_RD1BYTE),
+ SMB_CSR(adap, R_SMB_START));
+ data_bytes = 1;
+ } else {
+ csr_out32(V_SMB_CMD(command), SMB_CSR(adap, R_SMB_CMD));
+ csr_out32((V_SMB_ADDR(addr) | V_SMB_TT_WR1BYTE),
+ SMB_CSR(adap, R_SMB_START));
+ }
+ break;
+ case I2C_SMBUS_BYTE_DATA:
+ csr_out32(V_SMB_CMD(command), SMB_CSR(adap, R_SMB_CMD));
+ if (read_write == I2C_SMBUS_READ) {
+ csr_out32((V_SMB_ADDR(addr) | V_SMB_TT_CMD_RD1BYTE),
+ SMB_CSR(adap, R_SMB_START));
+ data_bytes = 1;
+ } else {
+ csr_out32(V_SMB_LB(data->byte), SMB_CSR(adap, R_SMB_DATA));
+ csr_out32((V_SMB_ADDR(addr) | V_SMB_TT_WR2BYTE),
+ SMB_CSR(adap, R_SMB_START));
+ }
+ break;
+ case I2C_SMBUS_WORD_DATA:
+ csr_out32(V_SMB_CMD(command), SMB_CSR(adap, R_SMB_CMD));
+ if (read_write == I2C_SMBUS_READ) {
+ csr_out32((V_SMB_ADDR(addr) | V_SMB_TT_CMD_RD2BYTE),
+ SMB_CSR(adap, R_SMB_START));
+ data_bytes = 2;
+ } else {
+ csr_out32(V_SMB_LB(data->word & 0xff), SMB_CSR(adap, R_SMB_DATA));
+ csr_out32(V_SMB_MB(data->word >> 8), SMB_CSR(adap, R_SMB_DATA));
+ csr_out32((V_SMB_ADDR(addr) | V_SMB_TT_WR2BYTE),
+ SMB_CSR(adap, R_SMB_START));
+ }
+ break;
+ default:
+ return -1; /* XXXKW better error code? */
+ }
+
+ while (csr_in32(SMB_CSR(adap, R_SMB_STATUS)) & M_SMB_BUSY)
+ ;
+
+ error = csr_in32(SMB_CSR(adap, R_SMB_STATUS));
+ if (error & M_SMB_ERROR) {
+ /* Clear error bit by writing a 1 */
+ csr_out32(M_SMB_ERROR, SMB_CSR(adap, R_SMB_STATUS));
+ return -1; /* XXXKW better error code? */
+ }
+
+ if (data_bytes == 1)
+ data->byte = csr_in32(SMB_CSR(adap, R_SMB_DATA)) & 0xff;
+ if (data_bytes == 2)
+ data->word = csr_in32(SMB_CSR(adap, R_SMB_DATA)) & 0xffff;
+
+ return 0;
+}
+
+static int algo_control(struct i2c_adapter *adapter,
+ unsigned int cmd, unsigned long arg)
+{
+ return 0;
+}
+
+static u32 bit_func(struct i2c_adapter *adap)
+{
+ return (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
+ I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA);
+}
+
+
+/* -----exported algorithm data: ------------------------------------- */
+
+static struct i2c_algorithm i2c_sibyte_algo = {
+ "SiByte algorithm",
+ I2C_ALGO_SIBYTE,
+ NULL, /* master_xfer */
+ smbus_xfer, /* smbus_xfer */
+ NULL, /* slave_xmit */
+ NULL, /* slave_recv */
+ algo_control, /* ioctl */
+ bit_func, /* functionality */
+};
+
+/*
+ * registering functions to load algorithms at runtime
+ */
+int i2c_sibyte_add_bus(struct i2c_adapter *i2c_adap, int speed)
+{
+ int i;
+ struct i2c_algo_sibyte_data *adap = i2c_adap->algo_data;
+
+ /* register new adapter to i2c module... */
+
+ i2c_adap->id |= i2c_sibyte_algo.id;
+ i2c_adap->algo = &i2c_sibyte_algo;
+
+ /* Set the frequency to 100 kHz */
+ csr_out32(speed, SMB_CSR(adap,R_SMB_FREQ));
+ csr_out32(0, SMB_CSR(adap,R_SMB_CONTROL));
+
+ /* scan bus */
+ if (bit_scan) {
+ union i2c_smbus_data data;
+ int rc;
+ printk(KERN_INFO " i2c-algo-sibyte.o: scanning bus %s.\n",
+ i2c_adap->name);
+ for (i = 0x00; i < 0x7f; i++) {
+ /* XXXKW is this a realistic probe? */
+ rc = smbus_xfer(i2c_adap, i, 0, I2C_SMBUS_READ, 0,
+ I2C_SMBUS_BYTE_DATA, &data);
+ if (!rc) {
+ printk("(%02x)",i);
+ } else
+ printk(".");
+ }
+ printk("\n");
+ }
+
+#ifdef MODULE
+ MOD_INC_USE_COUNT;
+#endif
+ i2c_add_adapter(i2c_adap);
+
+ return 0;
+}
+
+
+int i2c_sibyte_del_bus(struct i2c_adapter *adap)
+{
+ int res;
+
+ if ((res = i2c_del_adapter(adap)) < 0)
+ return res;
+
+#ifdef MODULE
+ MOD_DEC_USE_COUNT;
+#endif
+ return 0;
+}
+
+int __init i2c_algo_sibyte_init (void)
+{
+ printk("i2c-algo-sibyte.o: i2c SiByte algorithm module\n");
+ return 0;
+}
+
+
+EXPORT_SYMBOL(i2c_sibyte_add_bus);
+EXPORT_SYMBOL(i2c_sibyte_del_bus);
+
+#ifdef MODULE
+MODULE_AUTHOR("Kip Walker, Broadcom Corp.");
+MODULE_DESCRIPTION("SiByte I2C-Bus algorithm");
+MODULE_PARM(bit_scan, "i");
+MODULE_PARM_DESC(bit_scan, "Scan for active chips on the bus");
+MODULE_LICENSE("GPL");
+
+int init_module(void)
+{
+ return i2c_algo_sibyte_init();
+}
+
+void cleanup_module(void)
+{
+}
+#endif
diff -Nru a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
--- a/drivers/i2c/busses/Kconfig 2005-01-07 14:55:20 -08:00
+++ b/drivers/i2c/busses/Kconfig 2005-01-07 14:55:20 -08:00
@@ -323,6 +323,12 @@
This driver can also be built as a module. If so, the module
will be called i2c-savage4.
+config I2C_SIBYTE
+ tristate "SiByte SMBus interface"
+ depends on SIBYTE_SB1xxx_SOC && I2C
+ help
+ Supports the SiByte SOC on-chip I2C interfaces (2 channels).
+
config SCx200_I2C
tristate "NatSemi SCx200 I2C using GPIO pins"
depends on SCx200_GPIO && I2C
diff -Nru a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
--- a/drivers/i2c/busses/Makefile 2005-01-07 14:55:20 -08:00
+++ b/drivers/i2c/busses/Makefile 2005-01-07 14:55:20 -08:00
@@ -29,6 +29,7 @@
obj-$(CONFIG_I2C_RPXLITE) += i2c-rpx.o
obj-$(CONFIG_I2C_S3C2410) += i2c-s3c2410.o
obj-$(CONFIG_I2C_SAVAGE4) += i2c-savage4.o
+obj-$(CONFIG_I2C_SIBYTE) += i2c-sibyte.o
obj-$(CONFIG_I2C_SIS5595) += i2c-sis5595.o
obj-$(CONFIG_I2C_SIS630) += i2c-sis630.o
obj-$(CONFIG_I2C_SIS96X) += i2c-sis96x.o
diff -Nru a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c
--- /dev/null Wed Dec 31 16:00:00 196900
+++ b/drivers/i2c/busses/i2c-sibyte.c 2005-01-07 14:55:20 -08:00
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2004 Steven J. Hill
+ * Copyright (C) 2001,2002,2003 Broadcom Corporation
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/i2c-algo-sibyte.h>
+#include <asm/sibyte/sb1250_regs.h>
+#include <asm/sibyte/sb1250_smbus.h>
+
+static struct i2c_algo_sibyte_data sibyte_board_data[2] = {
+ { NULL, 0, (void *) (KSEG1+A_SMB_BASE(0)) },
+ { NULL, 1, (void *) (KSEG1+A_SMB_BASE(1)) }
+};
+
+static struct i2c_adapter sibyte_board_adapter[2] = {
+ {
+ .owner = THIS_MODULE,
+ .id = I2C_HW_SIBYTE,
+ .class = I2C_CLASS_HWMON,
+ .algo = NULL,
+ .algo_data = &sibyte_board_data[0],
+ .name = "SiByte SMBus 0",
+ },
+ {
+ .owner = THIS_MODULE,
+ .id = I2C_HW_SIBYTE,
+ .class = I2C_CLASS_HWMON,
+ .algo = NULL,
+ .algo_data = &sibyte_board_data[1],
+ .name = "SiByte SMBus 1",
+ },
+};
+
+static int __init i2c_sibyte_init(void)
+{
+ printk("i2c-swarm.o: i2c SMBus adapter module for SiByte board\n");
+ if (i2c_sibyte_add_bus(&sibyte_board_adapter[0], K_SMB_FREQ_100KHZ) < 0)
+ return -ENODEV;
+ if (i2c_sibyte_add_bus(&sibyte_board_adapter[1], K_SMB_FREQ_400KHZ) < 0)
+ return -ENODEV;
+ return 0;
+}
+
+static void __exit i2c_sibyte_exit(void)
+{
+ i2c_sibyte_del_bus(&sibyte_board_adapter[0]);
+ i2c_sibyte_del_bus(&sibyte_board_adapter[1]);
+}
+
+module_init(i2c_sibyte_init);
+module_exit(i2c_sibyte_exit);
+
+MODULE_AUTHOR("Kip Walker <kwalker@xxxxxxxxxxxx>, Steven J. Hill <sjhill@xxxxxxxxxxxxxxxxxx>");
+MODULE_DESCRIPTION("SMBus adapter routines for SiByte boards");
+MODULE_LICENSE("GPL");
diff -Nru a/include/linux/i2c-algo-sgi.h b/include/linux/i2c-algo-sgi.h
--- /dev/null Wed Dec 31 16:00:00 196900
+++ b/include/linux/i2c-algo-sgi.h 2005-01-07 14:55:20 -08:00
@@ -0,0 +1,27 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * Copyright (C) 2003 Ladislav Michl <ladis@xxxxxxxxxxxxxx>
+ */
+
+#ifndef I2C_ALGO_SGI_H
+#define I2C_ALGO_SGI_H 1
+
+#include <linux/i2c.h>
+
+struct i2c_algo_sgi_data {
+ void *data; /* private data for lowlevel routines */
+ unsigned (*getctrl)(void *data);
+ void (*setctrl)(void *data, unsigned val);
+ unsigned (*rdata)(void *data);
+ void (*wdata)(void *data, unsigned val);
+
+ int xfer_timeout;
+ int ack_timeout;
+};
+
+int i2c_sgi_add_bus(struct i2c_adapter *);
+int i2c_sgi_del_bus(struct i2c_adapter *);
+
+#endif /* I2C_ALGO_SGI_H */
diff -Nru a/include/linux/i2c-algo-sibyte.h b/include/linux/i2c-algo-sibyte.h
--- /dev/null Wed Dec 31 16:00:00 196900
+++ b/include/linux/i2c-algo-sibyte.h 2005-01-07 14:55:20 -08:00
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2001,2002,2003 Broadcom Corporation
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef I2C_ALGO_SIBYTE_H
+#define I2C_ALGO_SIBYTE_H 1
+
+#include <linux/i2c.h>
+
+struct i2c_algo_sibyte_data {
+ void *data; /* private data */
+ int bus; /* which bus */
+ void *reg_base; /* CSR base */
+};
+
+int i2c_sibyte_add_bus(struct i2c_adapter *, int speed);
+int i2c_sibyte_del_bus(struct i2c_adapter *);
+
+#endif /* I2C_ALGO_SIBYTE_H */
diff -Nru a/include/linux/i2c-id.h b/include/linux/i2c-id.h
--- a/include/linux/i2c-id.h 2005-01-07 14:55:20 -08:00
+++ b/include/linux/i2c-id.h 2005-01-07 14:55:20 -08:00
@@ -109,6 +109,7 @@
#define I2C_DRIVERID_OVCAMCHIP 61 /* OmniVision CMOS image sens. */
#define I2C_DRIVERID_TDA7313 62 /* TDA7313 audio processor */
#define I2C_DRIVERID_MAX6900 63 /* MAX6900 real-time clock */
+#define I2C_DRIVERID_SAA7114H 64 /* video decoder */
#define I2C_DRIVERID_EXP0 0xF0 /* experimental use id's */
@@ -196,6 +197,9 @@
#define I2C_ALGO_OCP_IOP3XX 0x140000 /* XSCALE IOP3XX On-chip I2C alg */
#define I2C_ALGO_PCA 0x150000 /* PCA 9564 style adapters */
+#define I2C_ALGO_SIBYTE 0x150000 /* Broadcom SiByte SOCs */
+#define I2C_ALGO_SGI 0x160000 /* SGI algorithm */
+
#define I2C_ALGO_EXP 0x800000 /* experimental */
#define I2C_ALGO_MASK 0xff0000 /* Mask for algorithms */
@@ -257,6 +261,13 @@
/* --- PowerPC on-chip adapters */
#define I2C_HW_OCP 0x00 /* IBM on-chip I2C adapter */
+
+/* --- Broadcom SiByte adapters */
+#define I2C_HW_SIBYTE 0x00
+
+/* --- SGI adapters */
+#define I2C_HW_SGI_VINO 0x00
+#define I2C_HW_SGI_MACE 0x01
/* --- XSCALE on-chip adapters */
#define I2C_HW_IOP321 0x00
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/