ChangeSet 1.1938.445.9, 2004/12/21 11:08:43-08:00, sjhill@realitydiluted.com [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 Signed-off-by: Greg Kroah-Hartman 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 + */ + +#include +#include +#include +#include +#include + +#include +#include + + +#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 "); +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 and even + Frodo Looijaard . */ + +/* Ported for SiByte SOCs by Broadcom Corporation. */ + +#include +#include +#include +#include + +#include +#include +#include + +#include +#include + +/* ----- 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 +#include +#include +#include +#include + +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 , Steven J. Hill "); +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 + */ + +#ifndef I2C_ALGO_SGI_H +#define I2C_ALGO_SGI_H 1 + +#include + +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 + +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