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/*
* Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com
* Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net>
*
* 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/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/videodev2.h>
#include "solo6010.h"
#include "solo6010-tw28.h"
MODULE_DESCRIPTION("Softlogic 6010 MP4 Encoder/Decoder V4L2/ALSA Driver");
MODULE_AUTHOR("Ben Collins <bcollins@bluecherry.net>");
MODULE_VERSION(SOLO6010_VERSION);
MODULE_LICENSE("GPL");
void solo6010_irq_on(struct solo6010_dev *solo_dev, u32 mask)
{
solo_dev->irq_mask |= mask;
solo_reg_write(solo_dev, SOLO_IRQ_ENABLE, solo_dev->irq_mask);
}
void solo6010_irq_off(struct solo6010_dev *solo_dev, u32 mask)
{
solo_dev->irq_mask &= ~mask;
solo_reg_write(solo_dev, SOLO_IRQ_ENABLE, solo_dev->irq_mask);
}
/* XXX We should check the return value of the sub-device ISR's */
static irqreturn_t solo6010_isr(int irq, void *data)
{
struct solo6010_dev *solo_dev = data;
u32 status;
int i;
status = solo_reg_read(solo_dev, SOLO_IRQ_STAT);
if (!status)
return IRQ_NONE;
if (status & ~solo_dev->irq_mask) {
solo_reg_write(solo_dev, SOLO_IRQ_STAT,
status & ~solo_dev->irq_mask);
status &= solo_dev->irq_mask;
}
if (status & SOLO_IRQ_PCI_ERR) {
u32 err = solo_reg_read(solo_dev, SOLO_PCI_ERR);
solo_p2m_error_isr(solo_dev, err);
solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_PCI_ERR);
}
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);
/* Call this first so enc gets detected flag set */
if (status & SOLO_IRQ_MOTION)
solo_motion_isr(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 solo6010_dev *solo_dev)
{
struct pci_dev *pdev;
if (!solo_dev)
return;
pdev = solo_dev->pdev;
/* If we never initialized the PCI device, then nothing else
* below here needs cleanup */
if (!pdev) {
kfree(solo_dev);
return;
}
/* 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 */
if (solo_dev->reg_base) {
solo6010_irq_off(solo_dev, ~0);
pci_iounmap(pdev, solo_dev->reg_base);
free_irq(pdev->irq, solo_dev);
}
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
kfree(solo_dev);
}
static int __devinit solo6010_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct solo6010_dev *solo_dev;
int ret;
int sdram;
u8 chip_id;
if ((solo_dev = kzalloc(sizeof(*solo_dev), GFP_KERNEL)) == NULL)
return -ENOMEM;
solo_dev->pdev = pdev;
spin_lock_init(&solo_dev->reg_io_lock);
pci_set_drvdata(pdev, solo_dev);
if ((ret = pci_enable_device(pdev)))
goto fail_probe;
pci_set_master(pdev);
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 */
solo_reg_write(solo_dev, SOLO_SYS_CFG, SOLO_SYS_CFG_SDRAM64BIT |
SOLO_SYS_CFG_INPUTDIV(25) |
SOLO_SYS_CFG_FEEDBACKDIV((SOLO_CLOCK_MHZ * 2) - 2) |
SOLO_SYS_CFG_OUTDIV(3));
solo_reg_write(solo_dev, SOLO_TIMER_CLOCK_NUM, SOLO_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 */
sdram = (solo_dev->nr_chans >= 8) ? 2 : 1;
solo_reg_write(solo_dev, SOLO_DMA_CTRL,
SOLO_DMA_CTRL_REFRESH_CYCLE(1) |
SOLO_DMA_CTRL_SDRAM_SIZE(sdram) |
SOLO_DMA_CTRL_SDRAM_CLK_INVERT |
SOLO_DMA_CTRL_READ_CLK_SELECT |
SOLO_DMA_CTRL_LATENCY(1));
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;
return 0;
fail_probe:
free_solo_dev(solo_dev);
return ret;
}
static void __devexit solo6010_pci_remove(struct pci_dev *pdev)
{
struct solo6010_dev *solo_dev = pci_get_drvdata(pdev);
free_solo_dev(solo_dev);
}
static struct pci_device_id solo6010_id_table[] = {
{PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC, PCI_DEVICE_ID_SOLO6010)},
{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_4)},
{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_9)},
{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_16)},
{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_COMMSOLO_4)},
{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_COMMSOLO_9)},
{PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_COMMSOLO_16)},
{0,}
};
MODULE_DEVICE_TABLE(pci, solo6010_id_table);
static struct pci_driver solo6010_pci_driver = {
.name = SOLO6010_NAME,
.id_table = solo6010_id_table,
.probe = solo6010_pci_probe,
.remove = solo6010_pci_remove,
};
static int __init solo6010_module_init(void)
{
return pci_register_driver(&solo6010_pci_driver);
}
static void __exit solo6010_module_exit(void)
{
pci_unregister_driver(&solo6010_pci_driver);
}
module_init(solo6010_module_init);
module_exit(solo6010_module_exit);
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