static void solo_timer_sync(struct solo6010_dev *solo_dev)
{
u32 sec, usec;
struct timespec 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_ts(&ts);
diff = (long)ts.tv_sec - (long)sec;
diff = (diff * 1000000)
+ ((long)(ts.tv_nsec / NSEC_PER_USEC) - (long)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 void solo_timer_sync(struct solo6010_dev *solo_dev)
{
u32 sec, usec;
struct timeval tv;
long diff;
if (solo_dev->type != SOLO_DEV_6110)
return;
solo_dev->time_sync++;
if (solo_dev->time_sync % 60)
return;
sec = solo_reg_read(solo_dev, SOLO_TIMER_SEC);
usec = solo_reg_read(solo_dev, SOLO_TIMER_USEC);
do_gettimeofday(&tv);
diff = (long)tv.tv_sec - (long)sec;
diff = (diff * 1000000) + ((long)tv.tv_usec - (long)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 int __devinit solo6010_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct solo6010_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;
spin_lock_init(&solo_dev->reg_io_lock);
pci_set_drvdata(pdev, solo_dev);
solo_dev->p2m_jiffies = msecs_to_jiffies(100); /* Only for during init */
if ((ret = pci_enable_device(pdev)))
goto fail_probe;
pci_set_master(pdev);
/* RETRY/TRDY Timeout disabled */
pci_write_config_byte(pdev, 0x40, 0x00);
pci_write_config_byte(pdev, 0x41, 0x00);
if ((ret = pci_request_regions(pdev, SOLO6010_NAME)))
goto fail_probe;
if ((solo_dev->reg_base = pci_ioremap_bar(pdev, 0)) == NULL) {
ret = -ENOMEM;
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, "
"defaulting to 4 channels\n",
chip_id);
case 5:
solo_dev->nr_chans = 4;
solo_dev->nr_ext = 1;
}
/* Disable all interrupts to start */
solo6010_irq_off(solo_dev, ~0);
/* Initial global settings */
if (solo_dev->type == SOLO_DEV_6010) {
solo_dev->clock_mhz = 108;
solo_reg_write(solo_dev, SOLO_SYS_CFG, SOLO_SYS_CFG_SDRAM64BIT |
SOLO_SYS_CFG_INPUTDIV(25) |
SOLO_SYS_CFG_FEEDBACKDIV((solo_dev->clock_mhz * 2) - 2) |
SOLO_SYS_CFG_OUTDIV(3));
} 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_reg_write(solo_dev, SOLO_SYS_CFG, SOLO_SYS_CFG_SDRAM64BIT);
}
solo_reg_write(solo_dev, SOLO_TIMER_CLOCK_NUM, solo_dev->clock_mhz - 1);
/* PLL locking time of 1ms */
mdelay(1);
ret = request_irq(pdev->irq, solo6010_isr, IRQF_SHARED, SOLO6010_NAME,
solo_dev);
if (ret)
goto fail_probe;
/* Handle this from the start */
solo6010_irq_on(solo_dev, SOLO_IRQ_PCI_ERR);
if ((ret = solo_i2c_init(solo_dev)))
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 */
if (solo_dev->type == SOLO_DEV_6010) {
solo_reg_write(solo_dev, SOLO_DMA_CTRL1, 1 << 8);
} else {
solo_reg_write(solo_dev, SOLO_DMA_CTRL1, 3 << 8);
solo_dev->usec_lsb = 0x3f;
solo_set_time(solo_dev);
}
/* Disable watchdog */
solo_reg_write(solo_dev, SOLO_TIMER_WATCHDOG, 0xff);
/* Initialize sub components */
if ((ret = solo_p2m_init(solo_dev)))
goto fail_probe;
if ((ret = solo_disp_init(solo_dev)))
goto fail_probe;
if ((ret = solo_gpio_init(solo_dev)))
goto fail_probe;
if ((ret = solo_tw28_init(solo_dev)))
goto fail_probe;
if ((ret = solo_v4l2_init(solo_dev)))
goto fail_probe;
if ((ret = solo_enc_init(solo_dev)))
goto fail_probe;
if ((ret = solo_enc_v4l2_init(solo_dev)))
goto fail_probe;
if ((ret = solo_g723_init(solo_dev)))
goto fail_probe;
if ((ret = solo_sysfs_init(solo_dev)))
goto fail_probe;
/* Now that init is over, set this lower */
solo_dev->p2m_jiffies = msecs_to_jiffies(50);
return 0;
fail_probe:
free_solo_dev(solo_dev);
return ret;
}