// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright ( C ) 2010 - 2013 Bluecherry , LLC < https : //www.bluecherrydvr.com>
*
* Original author :
* Ben Collins < bcollins @ ubuntu . com >
*
* Additional work by :
* John Brooks < john . brooks @ bluecherry . net >
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/videodev2.h>
#include <linux/delay.h>
#include <linux/sysfs.h>
#include <linux/ktime.h>
#include <linux/slab.h>
#include "solo6x10.h"
#include "solo6x10-tw28.h"
MODULE_DESCRIPTION("Softlogic 6x10 MPEG4/H.264/G.723 CODEC V4L2/ALSA Driver" );
MODULE_AUTHOR("Bluecherry <maintainers@bluecherrydvr.com>" );
MODULE_VERSION(SOLO6X10_VERSION);
MODULE_LICENSE("GPL" );
static unsigned video_nr = -1 ;
module_param(video_nr, uint, 0644 );
MODULE_PARM_DESC(video_nr, "videoX start number, -1 is autodetect (default)" );
static int full_eeprom; /* default is only top 64B */
module_param(full_eeprom, uint, 0644 );
MODULE_PARM_DESC(full_eeprom, "Allow access to full 128B EEPROM (dangerous)" );
static void solo_set_time(struct solo_dev *solo_dev)
{
struct timespec64 ts;
ktime_get_ts64(&ts);
/* no overflow because we use monotonic timestamps */
solo_reg_write(solo_dev, SOLO_TIMER_SEC, (u32)ts.tv_sec);
solo_reg_write(solo_dev, SOLO_TIMER_USEC, (u32)ts.tv_nsec / NSEC_PER_USEC);
}
static void solo_timer_sync(struct solo_dev *solo_dev)
{
u32 sec, usec;
struct timespec64 ts;
long diff;
if (solo_dev->type != SOLO_DEV_6110)
return ;
if (++solo_dev->time_sync < 60 )
return ;
solo_dev->time_sync = 0 ;
sec = solo_reg_read(solo_dev, SOLO_TIMER_SEC);
usec = solo_reg_read(solo_dev, SOLO_TIMER_USEC);
ktime_get_ts64(&ts);
diff = (s32)ts.tv_sec - (s32)sec;
diff = (diff * 1000000 )
+ ((s32)(ts.tv_nsec / NSEC_PER_USEC) - (s32)usec);
if (diff > 1000 || diff < -1000 ) {
solo_set_time(solo_dev);
} else if (diff) {
long usec_lsb = solo_dev->usec_lsb;
usec_lsb -= diff / 4 ;
if (usec_lsb < 0 )
usec_lsb = 0 ;
else if (usec_lsb > 255 )
usec_lsb = 255 ;
solo_dev->usec_lsb = usec_lsb;
solo_reg_write(solo_dev, SOLO_TIMER_USEC_LSB,
solo_dev->usec_lsb);
}
}
static irqreturn_t solo_isr(int irq, void *data)
{
struct solo_dev *solo_dev = data;
u32 status;
int i;
status = solo_reg_read(solo_dev, SOLO_IRQ_STAT);
if (!status)
return IRQ_NONE;
/* Acknowledge all interrupts immediately */
solo_reg_write(solo_dev, SOLO_IRQ_STAT, status);
if (status & SOLO_IRQ_PCI_ERR)
solo_p2m_error_isr(solo_dev);
for (i = 0 ; i < SOLO_NR_P2M; i++)
if (status & SOLO_IRQ_P2M(i))
solo_p2m_isr(solo_dev, i);
if (status & SOLO_IRQ_IIC)
solo_i2c_isr(solo_dev);
if (status & SOLO_IRQ_VIDEO_IN) {
solo_video_in_isr(solo_dev);
solo_timer_sync(solo_dev);
}
if (status & SOLO_IRQ_ENCODER)
solo_enc_v4l2_isr(solo_dev);
if (status & SOLO_IRQ_G723)
solo_g723_isr(solo_dev);
return IRQ_HANDLED;
}
static void free_solo_dev(struct solo_dev *solo_dev)
{
struct pci_dev *pdev = solo_dev->pdev;
if (solo_dev->dev.parent)
device_unregister(&solo_dev->dev);
if (solo_dev->reg_base) {
/* Bring down the sub-devices first */
solo_g723_exit(solo_dev);
solo_enc_v4l2_exit(solo_dev);
solo_enc_exit(solo_dev);
solo_v4l2_exit(solo_dev);
solo_disp_exit(solo_dev);
solo_gpio_exit(solo_dev);
solo_p2m_exit(solo_dev);
solo_i2c_exit(solo_dev);
/* Now cleanup the PCI device */
solo_irq_off(solo_dev, ~0 );
}
pci_disable_device(pdev);
v4l2_device_unregister(&solo_dev->v4l2_dev);
pci_set_drvdata(pdev, NULL);
kfree(solo_dev);
}
static ssize_t eeprom_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
u16 *p = (u16 *)buf;
int i;
if (count & 0 x1)
dev_warn(dev, "EEPROM Write not aligned (truncating)\n" );
if (!full_eeprom && count > 64 ) {
dev_warn(dev, "EEPROM Write truncated to 64 bytes\n" );
count = 64 ;
} else if (full_eeprom && count > 128 ) {
dev_warn(dev, "EEPROM Write truncated to 128 bytes\n" );
count = 128 ;
}
solo_eeprom_ewen(solo_dev, 1 );
for (i = full_eeprom ? 0 : 32 ; i < min((int )(full_eeprom ? 64 : 32 ),
(int )(count / 2 )); i++)
solo_eeprom_write(solo_dev, i, cpu_to_be16(p[i]));
solo_eeprom_ewen(solo_dev, 0 );
return count;
}
static ssize_t eeprom_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
u16 *p = (u16 *)buf;
int count = (full_eeprom ? 128 : 64 );
int i;
for (i = (full_eeprom ? 0 : 32 ); i < (count / 2 ); i++)
p[i] = be16_to_cpu(solo_eeprom_read(solo_dev, i));
return count;
}
static ssize_t p2m_timeouts_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
return sprintf(buf, "%d\n" , solo_dev->p2m_timeouts);
}
static ssize_t sdram_size_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
return sprintf(buf, "%dMegs\n" , solo_dev->sdram_size >> 20 );
}
static ssize_t tw28xx_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
return sprintf(buf, "tw2815[%d] tw2864[%d] tw2865[%d]\n" ,
hweight32(solo_dev->tw2815),
hweight32(solo_dev->tw2864),
hweight32(solo_dev->tw2865));
}
static ssize_t input_map_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
unsigned int val;
char *out = buf;
val = solo_reg_read(solo_dev, SOLO_VI_CH_SWITCH_0);
out += sprintf(out, "Channel 0 => Input %d\n" , val & 0 x1f);
out += sprintf(out, "Channel 1 => Input %d\n" , (val >> 5 ) & 0 x1f);
out += sprintf(out, "Channel 2 => Input %d\n" , (val >> 10 ) & 0 x1f);
out += sprintf(out, "Channel 3 => Input %d\n" , (val >> 15 ) & 0 x1f);
out += sprintf(out, "Channel 4 => Input %d\n" , (val >> 20 ) & 0 x1f);
out += sprintf(out, "Channel 5 => Input %d\n" , (val >> 25 ) & 0 x1f);
val = solo_reg_read(solo_dev, SOLO_VI_CH_SWITCH_1);
out += sprintf(out, "Channel 6 => Input %d\n" , val & 0 x1f);
out += sprintf(out, "Channel 7 => Input %d\n" , (val >> 5 ) & 0 x1f);
out += sprintf(out, "Channel 8 => Input %d\n" , (val >> 10 ) & 0 x1f);
out += sprintf(out, "Channel 9 => Input %d\n" , (val >> 15 ) & 0 x1f);
out += sprintf(out, "Channel 10 => Input %d\n" , (val >> 20 ) & 0 x1f);
out += sprintf(out, "Channel 11 => Input %d\n" , (val >> 25 ) & 0 x1f);
val = solo_reg_read(solo_dev, SOLO_VI_CH_SWITCH_2);
out += sprintf(out, "Channel 12 => Input %d\n" , val & 0 x1f);
out += sprintf(out, "Channel 13 => Input %d\n" , (val >> 5 ) & 0 x1f);
out += sprintf(out, "Channel 14 => Input %d\n" , (val >> 10 ) & 0 x1f);
out += sprintf(out, "Channel 15 => Input %d\n" , (val >> 15 ) & 0 x1f);
out += sprintf(out, "Spot Output => Input %d\n" , (val >> 20 ) & 0 x1f);
return out - buf;
}
static ssize_t p2m_timeout_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
unsigned long ms;
int ret = kstrtoul(buf, 10 , &ms);
if (ret < 0 || ms > 200 )
return -EINVAL;
solo_dev->p2m_jiffies = msecs_to_jiffies(ms);
return count;
}
static ssize_t p2m_timeout_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
return sprintf(buf, "%ums\n" , jiffies_to_msecs(solo_dev->p2m_jiffies));
}
static ssize_t intervals_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
char *out = buf;
int fps = solo_dev->fps;
int i;
for (i = 0 ; i < solo_dev->nr_chans; i++) {
out += sprintf(out, "Channel %d: %d/%d (0x%08x)\n" ,
i, solo_dev->v4l2_enc[i]->interval, fps,
solo_reg_read(solo_dev, SOLO_CAP_CH_INTV(i)));
}
return out - buf;
}
static ssize_t sdram_offsets_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
char *out = buf;
out += sprintf(out, "DISP: 0x%08x @ 0x%08x\n" ,
SOLO_DISP_EXT_ADDR,
SOLO_DISP_EXT_SIZE);
out += sprintf(out, "EOSD: 0x%08x @ 0x%08x (0x%08x * %d)\n" ,
SOLO_EOSD_EXT_ADDR,
SOLO_EOSD_EXT_AREA(solo_dev),
SOLO_EOSD_EXT_SIZE(solo_dev),
SOLO_EOSD_EXT_AREA(solo_dev) /
SOLO_EOSD_EXT_SIZE(solo_dev));
out += sprintf(out, "MOTI: 0x%08x @ 0x%08x\n" ,
SOLO_MOTION_EXT_ADDR(solo_dev),
SOLO_MOTION_EXT_SIZE);
out += sprintf(out, "G723: 0x%08x @ 0x%08x\n" ,
SOLO_G723_EXT_ADDR(solo_dev),
SOLO_G723_EXT_SIZE);
out += sprintf(out, "CAPT: 0x%08x @ 0x%08x (0x%08x * %d)\n" ,
SOLO_CAP_EXT_ADDR(solo_dev),
SOLO_CAP_EXT_SIZE(solo_dev),
SOLO_CAP_PAGE_SIZE,
SOLO_CAP_EXT_SIZE(solo_dev) / SOLO_CAP_PAGE_SIZE);
out += sprintf(out, "EREF: 0x%08x @ 0x%08x (0x%08x * %d)\n" ,
SOLO_EREF_EXT_ADDR(solo_dev),
SOLO_EREF_EXT_AREA(solo_dev),
SOLO_EREF_EXT_SIZE,
SOLO_EREF_EXT_AREA(solo_dev) / SOLO_EREF_EXT_SIZE);
out += sprintf(out, "MPEG: 0x%08x @ 0x%08x\n" ,
SOLO_MP4E_EXT_ADDR(solo_dev),
SOLO_MP4E_EXT_SIZE(solo_dev));
out += sprintf(out, "JPEG: 0x%08x @ 0x%08x\n" ,
SOLO_JPEG_EXT_ADDR(solo_dev),
SOLO_JPEG_EXT_SIZE(solo_dev));
return out - buf;
}
static ssize_t sdram_show(struct file *file, struct kobject *kobj,
const struct bin_attribute *a, char *buf,
loff_t off, size_t count)
{
struct device *dev = kobj_to_dev(kobj);
struct solo_dev *solo_dev =
container_of(dev, struct solo_dev, dev);
const int size = solo_dev->sdram_size;
if (off >= size)
return 0 ;
if (off + count > size)
count = size - off;
if (solo_p2m_dma(solo_dev, 0 , buf, off, count, 0 , 0 ))
return -EIO;
return count;
}
static const struct device_attribute solo_dev_attrs[] = {
__ATTR(eeprom, 0640 , eeprom_show, eeprom_store),
__ATTR(p2m_timeout, 0644 , p2m_timeout_show, p2m_timeout_store),
__ATTR_RO(p2m_timeouts),
__ATTR_RO(sdram_size),
__ATTR_RO(tw28xx),
__ATTR_RO(input_map),
__ATTR_RO(intervals),
__ATTR_RO(sdram_offsets),
};
static void solo_device_release(struct device *dev)
{
/* Do nothing */
}
static int solo_sysfs_init(struct solo_dev *solo_dev)
{
struct bin_attribute *sdram_attr = &solo_dev->sdram_attr;
struct device *dev = &solo_dev->dev;
const char *driver;
int i;
if (solo_dev->type == SOLO_DEV_6110)
driver = "solo6110" ;
else
driver = "solo6010" ;
dev->release = solo_device_release;
dev->parent = &solo_dev->pdev->dev;
set_dev_node(dev, dev_to_node(&solo_dev->pdev->dev));
dev_set_name(dev, "%s-%d-%d" , driver, solo_dev->vfd->num,
solo_dev->nr_chans);
if (device_register(dev)) {
put_device(dev);
dev->parent = NULL;
return -ENOMEM;
}
for (i = 0 ; i < ARRAY_SIZE(solo_dev_attrs); i++) {
if (device_create_file(dev, &solo_dev_attrs[i])) {
device_unregister(dev);
return -ENOMEM;
}
}
sysfs_attr_init(&sdram_attr->attr);
sdram_attr->attr.name = "sdram" ;
sdram_attr->attr.mode = 0440 ;
sdram_attr->read = sdram_show;
sdram_attr->size = solo_dev->sdram_size;
if (device_create_bin_file(dev, sdram_attr)) {
device_unregister(dev);
return -ENOMEM;
}
return 0 ;
}
static int solo_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct solo_dev *solo_dev;
int ret;
u8 chip_id;
solo_dev = kzalloc(sizeof (*solo_dev), GFP_KERNEL);
if (solo_dev == NULL)
return -ENOMEM;
if (id->driver_data == SOLO_DEV_6010)
dev_info(&pdev->dev, "Probing Softlogic 6010\n" );
else
dev_info(&pdev->dev, "Probing Softlogic 6110\n" );
solo_dev->type = id->driver_data;
solo_dev->pdev = pdev;
ret = v4l2_device_register(&pdev->dev, &solo_dev->v4l2_dev);
if (ret)
goto fail_probe;
/* Only for during init */
solo_dev->p2m_jiffies = msecs_to_jiffies(100 );
ret = pci_enable_device(pdev);
if (ret)
goto fail_probe;
pci_set_master(pdev);
/* RETRY/TRDY Timeout disabled */
pci_write_config_byte(pdev, 0 x40, 0 x00);
pci_write_config_byte(pdev, 0 x41, 0 x00);
solo_dev->reg_base = pcim_iomap_region(pdev, 0 , SOLO6X10_NAME);
ret = PTR_ERR_OR_ZERO(solo_dev->reg_base);
if (ret)
goto fail_probe;
chip_id = solo_reg_read(solo_dev, SOLO_CHIP_OPTION) &
SOLO_CHIP_ID_MASK;
switch (chip_id) {
case 7 :
solo_dev->nr_chans = 16 ;
solo_dev->nr_ext = 5 ;
break ;
case 6 :
solo_dev->nr_chans = 8 ;
solo_dev->nr_ext = 2 ;
break ;
default :
dev_warn(&pdev->dev, "Invalid chip_id 0x%02x, assuming 4 ch\n" ,
chip_id);
fallthrough;
case 5 :
solo_dev->nr_chans = 4 ;
solo_dev->nr_ext = 1 ;
}
/* Disable all interrupts to start */
solo_irq_off(solo_dev, ~0 );
/* Initial global settings */
if (solo_dev->type == SOLO_DEV_6010) {
solo_dev->clock_mhz = 108 ;
solo_dev->sys_config = SOLO_SYS_CFG_SDRAM64BIT
| SOLO_SYS_CFG_INPUTDIV(25 )
| SOLO_SYS_CFG_FEEDBACKDIV(solo_dev->clock_mhz * 2 - 2 )
| SOLO_SYS_CFG_OUTDIV(3 );
solo_reg_write(solo_dev, SOLO_SYS_CFG, solo_dev->sys_config);
} else {
u32 divq, divf;
solo_dev->clock_mhz = 135 ;
if (solo_dev->clock_mhz < 125 ) {
divq = 3 ;
divf = (solo_dev->clock_mhz * 4 ) / 3 - 1 ;
} else {
divq = 2 ;
divf = (solo_dev->clock_mhz * 2 ) / 3 - 1 ;
}
solo_reg_write(solo_dev, SOLO_PLL_CONFIG,
(1 << 20 ) | /* PLL_RANGE */
(8 << 15 ) | /* PLL_DIVR */
(divq << 12 ) |
(divf << 4 ) |
(1 << 1 ) /* PLL_FSEN */);
solo_dev->sys_config = SOLO_SYS_CFG_SDRAM64BIT;
}
solo_reg_write(solo_dev, SOLO_SYS_CFG, solo_dev->sys_config);
solo_reg_write(solo_dev, SOLO_TIMER_CLOCK_NUM,
solo_dev->clock_mhz - 1 );
/* PLL locking time of 1ms */
mdelay(1 );
ret = devm_request_irq(&pdev->dev, pdev->irq, solo_isr, IRQF_SHARED,
SOLO6X10_NAME, solo_dev);
if (ret)
goto fail_probe;
/* Handle this from the start */
solo_irq_on(solo_dev, SOLO_IRQ_PCI_ERR);
ret = solo_i2c_init(solo_dev);
if (ret)
goto fail_probe;
/* Setup the DMA engine */
solo_reg_write(solo_dev, SOLO_DMA_CTRL,
SOLO_DMA_CTRL_REFRESH_CYCLE(1 ) |
SOLO_DMA_CTRL_SDRAM_SIZE(2 ) |
SOLO_DMA_CTRL_SDRAM_CLK_INVERT |
SOLO_DMA_CTRL_READ_CLK_SELECT |
SOLO_DMA_CTRL_LATENCY(1 ));
/* Undocumented crap */
solo_reg_write(solo_dev, SOLO_DMA_CTRL1,
solo_dev->type == SOLO_DEV_6010 ? 0 x100 : 0 x300);
if (solo_dev->type != SOLO_DEV_6010) {
solo_dev->usec_lsb = 0 x3f;
solo_set_time(solo_dev);
}
/* Disable watchdog */
solo_reg_write(solo_dev, SOLO_WATCHDOG, 0 );
/* Initialize sub components */
ret = solo_p2m_init(solo_dev);
if (ret)
goto fail_probe;
ret = solo_disp_init(solo_dev);
if (ret)
goto fail_probe;
ret = solo_gpio_init(solo_dev);
if (ret)
goto fail_probe;
ret = solo_tw28_init(solo_dev);
if (ret)
goto fail_probe;
ret = solo_v4l2_init(solo_dev, video_nr);
if (ret)
goto fail_probe;
ret = solo_enc_init(solo_dev);
if (ret)
goto fail_probe;
ret = solo_enc_v4l2_init(solo_dev, video_nr);
if (ret)
goto fail_probe;
ret = solo_g723_init(solo_dev);
if (ret)
goto fail_probe;
ret = solo_sysfs_init(solo_dev);
if (ret)
goto fail_probe;
/* Now that init is over, set this lower */
solo_dev->p2m_jiffies = msecs_to_jiffies(20 );
return 0 ;
fail_probe:
free_solo_dev(solo_dev);
return ret;
}
static void solo_pci_remove(struct pci_dev *pdev)
{
struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
struct solo_dev *solo_dev = container_of(v4l2_dev, struct solo_dev, v4l2_dev);
free_solo_dev(solo_dev);
}
static const struct pci_device_id solo_id_table[] = {
/* 6010 based cards */
{ PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC, PCI_DEVICE_ID_SOLO6010),
.driver_data = SOLO_DEV_6010 },
{ PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_4),
.driver_data = SOLO_DEV_6010 },
{ PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_9),
.driver_data = SOLO_DEV_6010 },
{ PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_16),
.driver_data = SOLO_DEV_6010 },
{ PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_4),
.driver_data = SOLO_DEV_6010 },
{ PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_9),
.driver_data = SOLO_DEV_6010 },
{ PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_16),
.driver_data = SOLO_DEV_6010 },
/* 6110 based cards */
{ PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC, PCI_DEVICE_ID_SOLO6110),
.driver_data = SOLO_DEV_6110 },
{ PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_4),
.driver_data = SOLO_DEV_6110 },
{ PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_8),
.driver_data = SOLO_DEV_6110 },
{ PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_16),
.driver_data = SOLO_DEV_6110 },
{0 ,}
};
MODULE_DEVICE_TABLE(pci, solo_id_table);
static struct pci_driver solo_pci_driver = {
.name = SOLO6X10_NAME,
.id_table = solo_id_table,
.probe = solo_pci_probe,
.remove = solo_pci_remove,
};
module_pci_driver(solo_pci_driver);
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