Skip to content

M
meta-elphel393
Commit 0220703b authored by Andrey Filippov's avatar Andrey Filippov
Browse files
Options

removed duplicate

parent fc7bccdc
Show whitespace changes
Inline Side-by-side
Showing with 0 additions and 201 deletions
recipes-kernel/linux/linux-xlnx/drivers/misc/vsc330x.c deleted 100644 → 0
View file @ fc7bccdc
/*!***************************************************************************
*! FILE NAME : vsc330x.c
*! DESCRIPTION: control of the VSC3304 4x4 crosspoint switch
*! Copyright (C) 2013 Elphel, Inc.
*! -----------------------------------------------------------------------------**
*!
*! 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/string.h>
#define DRV_VERSION "1.0"
/* TODO: Descriptions from vsc3312 - check differences */
#define I2C_PAGE_CONNECTION 0x00 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf control corresponding output (0..0xf) source
(input number) bit 4 (+0x10) - turn output off, bits 3:0 - source */
#define I2C_PAGE_INPUT_ISE 0x10 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf control corresponding input (0..0xf)
ISE (equalization): Bits 5:4 ISE short: 0 - off, 1 - minimal, 2 - moderate, 3 - maximal;
bits 3:2 ISE medium, bits 1:0 ISE Long time constant */
#define I2C_PAGE_INPUT_STATE 0x11 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf control corresponding input (0..0xf) enable,
polarity and termination (default 6)
Bit 2 (+4) Terminate to VDD ( 0 - connect, 1 - do not connect) - dedicated (0..7) inputs only
Bit 1 (+2) Input power (0 - on, 1 - off)
Bit 0 (+1) Invert signal at input */
#define I2C_INPUT_STATE_DATA 0x04 /* terminated,enabled, not inverted */
#define I2C_PAGE_INPUTLOS 0x12 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf control corresponding input (0..0xf)
LOS (loss of signal) threshold
Bits 2:0 - level in mV for dedicated(bidirectional) inputs: 0,1,6,7 - unused, 2 - 150(170),
3 - 200(230), 4 - 250(280), 5 - 300(330) */
#define I2C_PAGE_OUTPUT_PRE_LONG 0x20 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf control corresponding output (0..0xf)
long time constant pre-emphasis
Bits 6:3 Pre-Emphasis level (0x0 - off, 0x1 - min, 0xf - max - 0..6dB), bits 2:0 - Pre-emphasis
decay (0x0 - fastest, 0x7 - slowest) in 500..1500 ps range */
#define I2C_PAGE_OUTPUT_PRE_SHORT 0x21 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf control corresponding output (0..0xf)
short time constant pre-emphasis
Bits 6:3 Pre-Emphasis level (0x0 - off, 0x1 - min, 0xf - max - 0..6dB),
bits 2:0 - Pre-emphasis decay (0x0 - fastest, 0x7 - slowest) in 30..500 ps range */
#define I2C_PAGE_OUTPUT_LEVEL 0x22 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf control corresponding output (0..0xf)
short time constant pre-emphasis
Bits 3:0 - peak-to-peak 0,1,0xe,0xf - unused, 0x2-405mV,0x3-425V,0x4-455mV,0x5-485mV,0x6-520mV,
0x7-555mV,0x8-605mV,0x9-655mV,0xa-720mV,0xb-790mV,0xc-890mV,0xd-990mV (+3.3VDC required)
bit 4 (+0x10) - for 8-15 used as inputs only: terminate inputs 8..15 to VDDIO-0.7V */
#define I2C_PAGE_OUTPUT_STATE 0x23 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf control corresponding output (0..0xf)
OOB signaling and output polarity
bits 4:1 - operation mode: 0xa - inverted, 0x5 - normal, 0x0 - suppressed
bit 0 - OOB control: 1 - enable LOS forwarding, 0 - ignore LOS */
#define I2C_PAGE_CHANNEL_STATUS 0xf0 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf monitor corresponding input (0..0xf) LOS status
bit 0 - LOS status: 1 - LOS detected (loss of signal), 0 - signal present (input has to be enabled,
otherwise 0 is read)when reading from address 0x10 of this page:
bit 0 - value of STAT0
bit 1 - value of STAT1 */
#define I2C_PAGE_STATUS0_CONFIGURE 0x80 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf control selected input LOS to be OR-ed
to STAT0 output pin (and bit)
bit 0 : 1 - OR this input channel LOS status to STAT0 */
#define I2C_PAGE_STATUS1_CONFIGURE 0x81 /* When written to I2C_CURRENT_PAGE, makes registers 0..0xf control selected input LOS to be OR-ed
to STAT1 output pin (and bit)
bit 0 : 1 - OR this input channel LOS status to STAT1 */
#define I2C_GLOBAL_CONNECTION 0x50 /* Bit 4 (+0x10) - disable all outputs, bits 3:0 - input number to connect to all outputs */
#define I2C_GLOBAL_INPUT_ISE 0x51 /* Bits 5:4 ISE short: 0 - off, 1 - minimal, 2 - moderate, 3 - maximal; bits 3:2 ISE medium,
bits 1:0 ISE Long time constant */
#define I2C_GLOBAL_INPUT_STATE 0x52 /* Bit 2 (+4) - terminate input to VDD (0..7 only) 0-connect, 1 Normal;
Bit 1 (+2) Input power off (0 - On, 1 - Off) bit0 (+1): Input polarity: 1 - inverted, 0 - normal */
#define I2C_GLOBAL_INPUT_LOS 0x53 /* Bits 2:0 - level in mV for dedicated(bidirectional) inputs: 0,1,6,7 - unused, 2 - 150(170),
3 - 200(230), 4 - 250(280), 5 - 300(330) */
#define I2C_GLOBAL_OUTPUT_PRE_LONG 0x54 /* Bits 6:3 Pre-Emphasis level (0x0 - off, 0x1 - min, 0xf - max - 0..6dB),
bits 2:0 - Pre-emphasis decay (0x0 - fastest, 0x7 - slowest) in 500..1500 ps range */
#define I2C_GLOBAL_OUTPUT_PRE_SHORT 0x55 /* Bits 6:3 Pre-Emphasis level (0x0 - off, 0x1 - min, 0xf - max - 0..6dB),
bits 2:0 - Pre-emphasis decay (0x0 - fastest, 0x7 - slowest) in 30..500 ps range */
#define I2C_GLOBAL_OUTPUT_LEVELl 0x56 /* Bits 3:0 - peak-to-peak 0,1,0xe,0xf - unused,0x2-405mV,0x3-425V,0x4-455mV,0x5-485mV,
0x6-520mV,0x7-555mV,0x8-605mV,0x9-655mV,0xa-720mV,0xb-790mV,0xc-890mV,0xd-990mV (+3.3VDC required)
bit 4 (+0x10) terminate inputs 8..15 to VDDIO-0.7V */
#define I2C_GLOBAL_OUTPUT_STATE 0x57 /* +1 (bit 0) - LOS, +0x15 - inverted, 0xa0 - normal, +0 - "Common mode" ? */
#define I2C_GLOBAL_OUTPUT_STATE_DATA 0x0b /* No inversion, enable OOB forwarding on all channels */
#define I2C_STATUS0 0x58 /* Bit 0 - selected for Status0 chanel LOS on */
#define I2C_STATUS1 0x59 /* Bit 0 - selected for Status1 chanel LOS on // Which channel LOS to show on Status1 output/bit */
#define I2C_CORE_CONFIGURATION 0x75
#define I2C_CORE_CONFIGURATION_DATA 0x18 /* default 0x18 - 0x10 - leftEn, 0x8 - rightEn, 0x4 - DNU, 0x2 - BufferForceOn, 0x1 - Config polarity */
#define I2C_CORE_CONFIGURATION_DATAF 0x19 /* default with inverted Config polarity (freeze update) */
#if 0
#define I2C_SLAVE_ADDRESS 0x78 /* programmed only, not hardwired */
#endif
#define I2C_INTERFACE_MODE 0x79
#define I2C_INTERFACE_MODE_DATA 0x02 /* i2c (1 - 4-wire) */
#define I2C_SOFTWARE_RESET 0x7a
#define I2C_SOFTWARE_RESET_DATA 0x10 /* to reset, 0 - normal */
#define I2C_CURRENT_PAGE 0x7f
static DEFINE_MUTEX(vsc3304_mutex);
static const struct i2c_device_id vsc3304_id[] = {
{ "vsc3304", 0 },
{ "vsc3308", 1 },
{ }
};
MODULE_DEVICE_TABLE(i2c, vsc3304_id);
/*
struct m41t80_data {
u8 features;
struct rtc_device *rtc;
};
*/
/* I2C bus functions */
static int write_d8(void *client, u8 val)
{
return i2c_smbus_write_byte(client, val);
}
static int write_r8d8(void *client, u8 reg, u8 val)
{
return i2c_smbus_write_byte_data(client, reg, val);
}
static int write_r8d16(void *client, u8 reg, u16 val)
{
return i2c_smbus_write_word_data(client, reg, val);
}
static int read_d8(void *client)
{
return i2c_smbus_read_byte(client);
}
static int read_r8d8(void *client, u8 reg)
{
return i2c_smbus_read_byte_data(client, reg);
}
static int read_r8d16(void *client, u8 reg)
{
return i2c_smbus_read_word_data(client, reg);
}
static const struct vsc_bus_ops bops = {
.read_d8 = read_d8,
.read_r8d8 = read_r8d8,
.read_r8d16 = read_r8d16,
.write_d8 = write_d8,
.write_r8d8 = write_r8d8,
.write_r8d16 = write_r8d16,
};
static int vsc330x_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct ad_dpot_bus_data bdata = {
.client = client,
.bops = &bops,
};
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_WORD_DATA)) {
dev_err(&client->dev, "SMBUS Word Data not Supported\n");
return -EIO;
}
return 1 /* found*/
// return vsc330x_probe(&client->dev, &bdata, id->driver_data, id->name);
}
static int vsc330x_i2c_remove(struct i2c_client *client)
{
return vsc330x_remove(&client->dev);
}
static struct i2c_driver vsc330x_i2c_driver = {
.driver = {
.name = "vsc330x",
.owner = THIS_MODULE,
},
.probe = vsc330x_i2c_probe,
.remove = vsc330x_i2c_remove,
.id_table = vsc330x_id,
};
module_i2c_driver(vsc330x_i2c_driver);
MODULE_AUTHOR("Andrey Filippov <andrey@elphel.com>");
MODULE_DESCRIPTION("VSC330x I2C bus driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("i2c:vsc330x");
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment