2 * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
5 * Ben Collins <bcollins@ubuntu.com>
8 * John Brooks <john.brooks@bluecherry.net>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
21 #include <linux/kernel.h>
22 #include <linux/module.h>
23 #include <linux/pci.h>
24 #include <linux/interrupt.h>
25 #include <linux/videodev2.h>
26 #include <linux/delay.h>
27 #include <linux/sysfs.h>
28 #include <linux/ktime.h>
29 #include <linux/slab.h>
32 #include "solo6x10-tw28.h"
34 MODULE_DESCRIPTION("Softlogic 6x10 MPEG4/H.264/G.723 CODEC V4L2/ALSA Driver");
35 MODULE_AUTHOR("Bluecherry <maintainers@bluecherrydvr.com>");
36 MODULE_VERSION(SOLO6X10_VERSION);
37 MODULE_LICENSE("GPL");
39 static unsigned video_nr = -1;
40 module_param(video_nr, uint, 0644);
41 MODULE_PARM_DESC(video_nr, "videoX start number, -1 is autodetect (default)");
43 static int full_eeprom; /* default is only top 64B */
44 module_param(full_eeprom, uint, 0644);
45 MODULE_PARM_DESC(full_eeprom, "Allow access to full 128B EEPROM (dangerous)");
48 static void solo_set_time(struct solo_dev *solo_dev)
54 solo_reg_write(solo_dev, SOLO_TIMER_SEC, ts.tv_sec);
55 solo_reg_write(solo_dev, SOLO_TIMER_USEC, ts.tv_nsec / NSEC_PER_USEC);
58 static void solo_timer_sync(struct solo_dev *solo_dev)
64 if (solo_dev->type != SOLO_DEV_6110)
67 if (++solo_dev->time_sync < 60)
70 solo_dev->time_sync = 0;
72 sec = solo_reg_read(solo_dev, SOLO_TIMER_SEC);
73 usec = solo_reg_read(solo_dev, SOLO_TIMER_USEC);
77 diff = (long)ts.tv_sec - (long)sec;
78 diff = (diff * 1000000)
79 + ((long)(ts.tv_nsec / NSEC_PER_USEC) - (long)usec);
81 if (diff > 1000 || diff < -1000) {
82 solo_set_time(solo_dev);
84 long usec_lsb = solo_dev->usec_lsb;
89 else if (usec_lsb > 255)
92 solo_dev->usec_lsb = usec_lsb;
93 solo_reg_write(solo_dev, SOLO_TIMER_USEC_LSB,
98 static irqreturn_t solo_isr(int irq, void *data)
100 struct solo_dev *solo_dev = data;
104 status = solo_reg_read(solo_dev, SOLO_IRQ_STAT);
108 if (status & ~solo_dev->irq_mask) {
109 solo_reg_write(solo_dev, SOLO_IRQ_STAT,
110 status & ~solo_dev->irq_mask);
111 status &= solo_dev->irq_mask;
114 if (status & SOLO_IRQ_PCI_ERR)
115 solo_p2m_error_isr(solo_dev);
117 for (i = 0; i < SOLO_NR_P2M; i++)
118 if (status & SOLO_IRQ_P2M(i))
119 solo_p2m_isr(solo_dev, i);
121 if (status & SOLO_IRQ_IIC)
122 solo_i2c_isr(solo_dev);
124 if (status & SOLO_IRQ_VIDEO_IN) {
125 solo_video_in_isr(solo_dev);
126 solo_timer_sync(solo_dev);
129 if (status & SOLO_IRQ_ENCODER)
130 solo_enc_v4l2_isr(solo_dev);
132 if (status & SOLO_IRQ_G723)
133 solo_g723_isr(solo_dev);
135 /* Clear all interrupts handled */
136 solo_reg_write(solo_dev, SOLO_IRQ_STAT, status);
141 static void free_solo_dev(struct solo_dev *solo_dev)
143 struct pci_dev *pdev;
148 if (solo_dev->dev.parent)
149 device_unregister(&solo_dev->dev);
151 pdev = solo_dev->pdev;
153 /* If we never initialized the PCI device, then nothing else
154 * below here needs cleanup */
160 if (solo_dev->reg_base) {
161 /* Bring down the sub-devices first */
162 solo_g723_exit(solo_dev);
163 solo_enc_v4l2_exit(solo_dev);
164 solo_enc_exit(solo_dev);
165 solo_v4l2_exit(solo_dev);
166 solo_disp_exit(solo_dev);
167 solo_gpio_exit(solo_dev);
168 solo_p2m_exit(solo_dev);
169 solo_i2c_exit(solo_dev);
171 /* Now cleanup the PCI device */
172 solo_irq_off(solo_dev, ~0);
173 pci_iounmap(pdev, solo_dev->reg_base);
175 free_irq(pdev->irq, solo_dev);
178 pci_release_regions(pdev);
179 pci_disable_device(pdev);
180 v4l2_device_unregister(&solo_dev->v4l2_dev);
181 pci_set_drvdata(pdev, NULL);
186 static ssize_t eeprom_store(struct device *dev, struct device_attribute *attr,
187 const char *buf, size_t count)
189 struct solo_dev *solo_dev =
190 container_of(dev, struct solo_dev, dev);
191 unsigned short *p = (unsigned short *)buf;
195 dev_warn(dev, "EEPROM Write not aligned (truncating)\n");
197 if (!full_eeprom && count > 64) {
198 dev_warn(dev, "EEPROM Write truncated to 64 bytes\n");
200 } else if (full_eeprom && count > 128) {
201 dev_warn(dev, "EEPROM Write truncated to 128 bytes\n");
205 solo_eeprom_ewen(solo_dev, 1);
207 for (i = full_eeprom ? 0 : 32; i < min((int)(full_eeprom ? 64 : 32),
208 (int)(count / 2)); i++)
209 solo_eeprom_write(solo_dev, i, cpu_to_be16(p[i]));
211 solo_eeprom_ewen(solo_dev, 0);
216 static ssize_t eeprom_show(struct device *dev, struct device_attribute *attr,
219 struct solo_dev *solo_dev =
220 container_of(dev, struct solo_dev, dev);
221 unsigned short *p = (unsigned short *)buf;
222 int count = (full_eeprom ? 128 : 64);
225 for (i = (full_eeprom ? 0 : 32); i < (count / 2); i++)
226 p[i] = be16_to_cpu(solo_eeprom_read(solo_dev, i));
231 static ssize_t p2m_timeouts_show(struct device *dev,
232 struct device_attribute *attr,
235 struct solo_dev *solo_dev =
236 container_of(dev, struct solo_dev, dev);
238 return sprintf(buf, "%d\n", solo_dev->p2m_timeouts);
241 static ssize_t sdram_size_show(struct device *dev,
242 struct device_attribute *attr,
245 struct solo_dev *solo_dev =
246 container_of(dev, struct solo_dev, dev);
248 return sprintf(buf, "%dMegs\n", solo_dev->sdram_size >> 20);
251 static ssize_t tw28xx_show(struct device *dev,
252 struct device_attribute *attr,
255 struct solo_dev *solo_dev =
256 container_of(dev, struct solo_dev, dev);
258 return sprintf(buf, "tw2815[%d] tw2864[%d] tw2865[%d]\n",
259 hweight32(solo_dev->tw2815),
260 hweight32(solo_dev->tw2864),
261 hweight32(solo_dev->tw2865));
264 static ssize_t input_map_show(struct device *dev,
265 struct device_attribute *attr,
268 struct solo_dev *solo_dev =
269 container_of(dev, struct solo_dev, dev);
273 val = solo_reg_read(solo_dev, SOLO_VI_CH_SWITCH_0);
274 out += sprintf(out, "Channel 0 => Input %d\n", val & 0x1f);
275 out += sprintf(out, "Channel 1 => Input %d\n", (val >> 5) & 0x1f);
276 out += sprintf(out, "Channel 2 => Input %d\n", (val >> 10) & 0x1f);
277 out += sprintf(out, "Channel 3 => Input %d\n", (val >> 15) & 0x1f);
278 out += sprintf(out, "Channel 4 => Input %d\n", (val >> 20) & 0x1f);
279 out += sprintf(out, "Channel 5 => Input %d\n", (val >> 25) & 0x1f);
281 val = solo_reg_read(solo_dev, SOLO_VI_CH_SWITCH_1);
282 out += sprintf(out, "Channel 6 => Input %d\n", val & 0x1f);
283 out += sprintf(out, "Channel 7 => Input %d\n", (val >> 5) & 0x1f);
284 out += sprintf(out, "Channel 8 => Input %d\n", (val >> 10) & 0x1f);
285 out += sprintf(out, "Channel 9 => Input %d\n", (val >> 15) & 0x1f);
286 out += sprintf(out, "Channel 10 => Input %d\n", (val >> 20) & 0x1f);
287 out += sprintf(out, "Channel 11 => Input %d\n", (val >> 25) & 0x1f);
289 val = solo_reg_read(solo_dev, SOLO_VI_CH_SWITCH_2);
290 out += sprintf(out, "Channel 12 => Input %d\n", val & 0x1f);
291 out += sprintf(out, "Channel 13 => Input %d\n", (val >> 5) & 0x1f);
292 out += sprintf(out, "Channel 14 => Input %d\n", (val >> 10) & 0x1f);
293 out += sprintf(out, "Channel 15 => Input %d\n", (val >> 15) & 0x1f);
294 out += sprintf(out, "Spot Output => Input %d\n", (val >> 20) & 0x1f);
299 static ssize_t p2m_timeout_store(struct device *dev,
300 struct device_attribute *attr,
301 const char *buf, size_t count)
303 struct solo_dev *solo_dev =
304 container_of(dev, struct solo_dev, dev);
306 int ret = kstrtoul(buf, 10, &ms);
308 if (ret < 0 || ms > 200)
310 solo_dev->p2m_jiffies = msecs_to_jiffies(ms);
315 static ssize_t p2m_timeout_show(struct device *dev,
316 struct device_attribute *attr,
319 struct solo_dev *solo_dev =
320 container_of(dev, struct solo_dev, dev);
322 return sprintf(buf, "%ums\n", jiffies_to_msecs(solo_dev->p2m_jiffies));
325 static ssize_t intervals_show(struct device *dev,
326 struct device_attribute *attr,
329 struct solo_dev *solo_dev =
330 container_of(dev, struct solo_dev, dev);
332 int fps = solo_dev->fps;
335 for (i = 0; i < solo_dev->nr_chans; i++) {
336 out += sprintf(out, "Channel %d: %d/%d (0x%08x)\n",
337 i, solo_dev->v4l2_enc[i]->interval, fps,
338 solo_reg_read(solo_dev, SOLO_CAP_CH_INTV(i)));
344 static ssize_t sdram_offsets_show(struct device *dev,
345 struct device_attribute *attr,
348 struct solo_dev *solo_dev =
349 container_of(dev, struct solo_dev, dev);
352 out += sprintf(out, "DISP: 0x%08x @ 0x%08x\n",
356 out += sprintf(out, "EOSD: 0x%08x @ 0x%08x (0x%08x * %d)\n",
358 SOLO_EOSD_EXT_AREA(solo_dev),
359 SOLO_EOSD_EXT_SIZE(solo_dev),
360 SOLO_EOSD_EXT_AREA(solo_dev) /
361 SOLO_EOSD_EXT_SIZE(solo_dev));
363 out += sprintf(out, "MOTI: 0x%08x @ 0x%08x\n",
364 SOLO_MOTION_EXT_ADDR(solo_dev),
365 SOLO_MOTION_EXT_SIZE);
367 out += sprintf(out, "G723: 0x%08x @ 0x%08x\n",
368 SOLO_G723_EXT_ADDR(solo_dev),
371 out += sprintf(out, "CAPT: 0x%08x @ 0x%08x (0x%08x * %d)\n",
372 SOLO_CAP_EXT_ADDR(solo_dev),
373 SOLO_CAP_EXT_SIZE(solo_dev),
375 SOLO_CAP_EXT_SIZE(solo_dev) / SOLO_CAP_PAGE_SIZE);
377 out += sprintf(out, "EREF: 0x%08x @ 0x%08x (0x%08x * %d)\n",
378 SOLO_EREF_EXT_ADDR(solo_dev),
379 SOLO_EREF_EXT_AREA(solo_dev),
381 SOLO_EREF_EXT_AREA(solo_dev) / SOLO_EREF_EXT_SIZE);
383 out += sprintf(out, "MPEG: 0x%08x @ 0x%08x\n",
384 SOLO_MP4E_EXT_ADDR(solo_dev),
385 SOLO_MP4E_EXT_SIZE(solo_dev));
387 out += sprintf(out, "JPEG: 0x%08x @ 0x%08x\n",
388 SOLO_JPEG_EXT_ADDR(solo_dev),
389 SOLO_JPEG_EXT_SIZE(solo_dev));
394 static ssize_t sdram_show(struct file *file, struct kobject *kobj,
395 struct bin_attribute *a, char *buf,
396 loff_t off, size_t count)
398 struct device *dev = container_of(kobj, struct device, kobj);
399 struct solo_dev *solo_dev =
400 container_of(dev, struct solo_dev, dev);
401 const int size = solo_dev->sdram_size;
406 if (off + count > size)
409 if (solo_p2m_dma(solo_dev, 0, buf, off, count, 0, 0))
415 static const struct device_attribute solo_dev_attrs[] = {
416 __ATTR(eeprom, 0640, eeprom_show, eeprom_store),
417 __ATTR(p2m_timeout, 0644, p2m_timeout_show, p2m_timeout_store),
418 __ATTR_RO(p2m_timeouts),
419 __ATTR_RO(sdram_size),
421 __ATTR_RO(input_map),
422 __ATTR_RO(intervals),
423 __ATTR_RO(sdram_offsets),
426 static void solo_device_release(struct device *dev)
431 static int solo_sysfs_init(struct solo_dev *solo_dev)
433 struct bin_attribute *sdram_attr = &solo_dev->sdram_attr;
434 struct device *dev = &solo_dev->dev;
438 if (solo_dev->type == SOLO_DEV_6110)
443 dev->release = solo_device_release;
444 dev->parent = &solo_dev->pdev->dev;
445 set_dev_node(dev, dev_to_node(&solo_dev->pdev->dev));
446 dev_set_name(dev, "%s-%d-%d", driver, solo_dev->vfd->num,
449 if (device_register(dev)) {
454 for (i = 0; i < ARRAY_SIZE(solo_dev_attrs); i++) {
455 if (device_create_file(dev, &solo_dev_attrs[i])) {
456 device_unregister(dev);
461 sysfs_attr_init(&sdram_attr->attr);
462 sdram_attr->attr.name = "sdram";
463 sdram_attr->attr.mode = 0440;
464 sdram_attr->read = sdram_show;
465 sdram_attr->size = solo_dev->sdram_size;
467 if (device_create_bin_file(dev, sdram_attr)) {
468 device_unregister(dev);
475 static int solo_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
477 struct solo_dev *solo_dev;
481 solo_dev = kzalloc(sizeof(*solo_dev), GFP_KERNEL);
482 if (solo_dev == NULL)
485 if (id->driver_data == SOLO_DEV_6010)
486 dev_info(&pdev->dev, "Probing Softlogic 6010\n");
488 dev_info(&pdev->dev, "Probing Softlogic 6110\n");
490 solo_dev->type = id->driver_data;
491 solo_dev->pdev = pdev;
492 spin_lock_init(&solo_dev->reg_io_lock);
493 ret = v4l2_device_register(&pdev->dev, &solo_dev->v4l2_dev);
497 /* Only for during init */
498 solo_dev->p2m_jiffies = msecs_to_jiffies(100);
500 ret = pci_enable_device(pdev);
504 pci_set_master(pdev);
506 /* RETRY/TRDY Timeout disabled */
507 pci_write_config_byte(pdev, 0x40, 0x00);
508 pci_write_config_byte(pdev, 0x41, 0x00);
510 ret = pci_request_regions(pdev, SOLO6X10_NAME);
514 solo_dev->reg_base = pci_ioremap_bar(pdev, 0);
515 if (solo_dev->reg_base == NULL) {
520 chip_id = solo_reg_read(solo_dev, SOLO_CHIP_OPTION) &
524 solo_dev->nr_chans = 16;
525 solo_dev->nr_ext = 5;
528 solo_dev->nr_chans = 8;
529 solo_dev->nr_ext = 2;
532 dev_warn(&pdev->dev, "Invalid chip_id 0x%02x, assuming 4 ch\n",
535 solo_dev->nr_chans = 4;
536 solo_dev->nr_ext = 1;
539 /* Disable all interrupts to start */
540 solo_irq_off(solo_dev, ~0);
542 /* Initial global settings */
543 if (solo_dev->type == SOLO_DEV_6010) {
544 solo_dev->clock_mhz = 108;
545 solo_dev->sys_config = SOLO_SYS_CFG_SDRAM64BIT
546 | SOLO_SYS_CFG_INPUTDIV(25)
547 | SOLO_SYS_CFG_FEEDBACKDIV(solo_dev->clock_mhz * 2 - 2)
548 | SOLO_SYS_CFG_OUTDIV(3);
549 solo_reg_write(solo_dev, SOLO_SYS_CFG, solo_dev->sys_config);
553 solo_dev->clock_mhz = 135;
555 if (solo_dev->clock_mhz < 125) {
557 divf = (solo_dev->clock_mhz * 4) / 3 - 1;
560 divf = (solo_dev->clock_mhz * 2) / 3 - 1;
563 solo_reg_write(solo_dev, SOLO_PLL_CONFIG,
564 (1 << 20) | /* PLL_RANGE */
565 (8 << 15) | /* PLL_DIVR */
568 (1 << 1) /* PLL_FSEN */);
570 solo_dev->sys_config = SOLO_SYS_CFG_SDRAM64BIT;
573 solo_reg_write(solo_dev, SOLO_SYS_CFG, solo_dev->sys_config);
574 solo_reg_write(solo_dev, SOLO_TIMER_CLOCK_NUM,
575 solo_dev->clock_mhz - 1);
577 /* PLL locking time of 1ms */
580 ret = request_irq(pdev->irq, solo_isr, IRQF_SHARED, SOLO6X10_NAME,
585 /* Handle this from the start */
586 solo_irq_on(solo_dev, SOLO_IRQ_PCI_ERR);
588 ret = solo_i2c_init(solo_dev);
592 /* Setup the DMA engine */
593 solo_reg_write(solo_dev, SOLO_DMA_CTRL,
594 SOLO_DMA_CTRL_REFRESH_CYCLE(1) |
595 SOLO_DMA_CTRL_SDRAM_SIZE(2) |
596 SOLO_DMA_CTRL_SDRAM_CLK_INVERT |
597 SOLO_DMA_CTRL_READ_CLK_SELECT |
598 SOLO_DMA_CTRL_LATENCY(1));
600 /* Undocumented crap */
601 solo_reg_write(solo_dev, SOLO_DMA_CTRL1,
602 solo_dev->type == SOLO_DEV_6010 ? 0x100 : 0x300);
604 if (solo_dev->type != SOLO_DEV_6010) {
605 solo_dev->usec_lsb = 0x3f;
606 solo_set_time(solo_dev);
609 /* Disable watchdog */
610 solo_reg_write(solo_dev, SOLO_WATCHDOG, 0);
612 /* Initialize sub components */
614 ret = solo_p2m_init(solo_dev);
618 ret = solo_disp_init(solo_dev);
622 ret = solo_gpio_init(solo_dev);
626 ret = solo_tw28_init(solo_dev);
630 ret = solo_v4l2_init(solo_dev, video_nr);
634 ret = solo_enc_init(solo_dev);
638 ret = solo_enc_v4l2_init(solo_dev, video_nr);
642 ret = solo_g723_init(solo_dev);
646 ret = solo_sysfs_init(solo_dev);
650 /* Now that init is over, set this lower */
651 solo_dev->p2m_jiffies = msecs_to_jiffies(20);
656 free_solo_dev(solo_dev);
660 static void solo_pci_remove(struct pci_dev *pdev)
662 struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
663 struct solo_dev *solo_dev = container_of(v4l2_dev, struct solo_dev, v4l2_dev);
665 free_solo_dev(solo_dev);
668 static const struct pci_device_id solo_id_table[] = {
669 /* 6010 based cards */
670 { PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC, PCI_DEVICE_ID_SOLO6010),
671 .driver_data = SOLO_DEV_6010 },
672 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_4),
673 .driver_data = SOLO_DEV_6010 },
674 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_9),
675 .driver_data = SOLO_DEV_6010 },
676 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_16),
677 .driver_data = SOLO_DEV_6010 },
678 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_4),
679 .driver_data = SOLO_DEV_6010 },
680 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_9),
681 .driver_data = SOLO_DEV_6010 },
682 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_16),
683 .driver_data = SOLO_DEV_6010 },
684 /* 6110 based cards */
685 { PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC, PCI_DEVICE_ID_SOLO6110),
686 .driver_data = SOLO_DEV_6110 },
687 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_4),
688 .driver_data = SOLO_DEV_6110 },
689 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_8),
690 .driver_data = SOLO_DEV_6110 },
691 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_16),
692 .driver_data = SOLO_DEV_6110 },
696 MODULE_DEVICE_TABLE(pci, solo_id_table);
698 static struct pci_driver solo_pci_driver = {
699 .name = SOLO6X10_NAME,
700 .id_table = solo_id_table,
701 .probe = solo_pci_probe,
702 .remove = solo_pci_remove,
705 module_pci_driver(solo_pci_driver);