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 /* Acknowledge all interrupts immediately */
109 solo_reg_write(solo_dev, SOLO_IRQ_STAT, status);
111 if (status & SOLO_IRQ_PCI_ERR)
112 solo_p2m_error_isr(solo_dev);
114 for (i = 0; i < SOLO_NR_P2M; i++)
115 if (status & SOLO_IRQ_P2M(i))
116 solo_p2m_isr(solo_dev, i);
118 if (status & SOLO_IRQ_IIC)
119 solo_i2c_isr(solo_dev);
121 if (status & SOLO_IRQ_VIDEO_IN) {
122 solo_video_in_isr(solo_dev);
123 solo_timer_sync(solo_dev);
126 if (status & SOLO_IRQ_ENCODER)
127 solo_enc_v4l2_isr(solo_dev);
129 if (status & SOLO_IRQ_G723)
130 solo_g723_isr(solo_dev);
135 static void free_solo_dev(struct solo_dev *solo_dev)
137 struct pci_dev *pdev = solo_dev->pdev;
139 if (solo_dev->dev.parent)
140 device_unregister(&solo_dev->dev);
142 if (solo_dev->reg_base) {
143 /* Bring down the sub-devices first */
144 solo_g723_exit(solo_dev);
145 solo_enc_v4l2_exit(solo_dev);
146 solo_enc_exit(solo_dev);
147 solo_v4l2_exit(solo_dev);
148 solo_disp_exit(solo_dev);
149 solo_gpio_exit(solo_dev);
150 solo_p2m_exit(solo_dev);
151 solo_i2c_exit(solo_dev);
153 /* Now cleanup the PCI device */
154 solo_irq_off(solo_dev, ~0);
155 free_irq(pdev->irq, solo_dev);
156 pci_iounmap(pdev, solo_dev->reg_base);
159 pci_release_regions(pdev);
160 pci_disable_device(pdev);
161 v4l2_device_unregister(&solo_dev->v4l2_dev);
162 pci_set_drvdata(pdev, NULL);
167 static ssize_t eeprom_store(struct device *dev, struct device_attribute *attr,
168 const char *buf, size_t count)
170 struct solo_dev *solo_dev =
171 container_of(dev, struct solo_dev, dev);
176 dev_warn(dev, "EEPROM Write not aligned (truncating)\n");
178 if (!full_eeprom && count > 64) {
179 dev_warn(dev, "EEPROM Write truncated to 64 bytes\n");
181 } else if (full_eeprom && count > 128) {
182 dev_warn(dev, "EEPROM Write truncated to 128 bytes\n");
186 solo_eeprom_ewen(solo_dev, 1);
188 for (i = full_eeprom ? 0 : 32; i < min((int)(full_eeprom ? 64 : 32),
189 (int)(count / 2)); i++)
190 solo_eeprom_write(solo_dev, i, cpu_to_be16(p[i]));
192 solo_eeprom_ewen(solo_dev, 0);
197 static ssize_t eeprom_show(struct device *dev, struct device_attribute *attr,
200 struct solo_dev *solo_dev =
201 container_of(dev, struct solo_dev, dev);
203 int count = (full_eeprom ? 128 : 64);
206 for (i = (full_eeprom ? 0 : 32); i < (count / 2); i++)
207 p[i] = be16_to_cpu(solo_eeprom_read(solo_dev, i));
212 static ssize_t p2m_timeouts_show(struct device *dev,
213 struct device_attribute *attr,
216 struct solo_dev *solo_dev =
217 container_of(dev, struct solo_dev, dev);
219 return sprintf(buf, "%d\n", solo_dev->p2m_timeouts);
222 static ssize_t sdram_size_show(struct device *dev,
223 struct device_attribute *attr,
226 struct solo_dev *solo_dev =
227 container_of(dev, struct solo_dev, dev);
229 return sprintf(buf, "%dMegs\n", solo_dev->sdram_size >> 20);
232 static ssize_t tw28xx_show(struct device *dev,
233 struct device_attribute *attr,
236 struct solo_dev *solo_dev =
237 container_of(dev, struct solo_dev, dev);
239 return sprintf(buf, "tw2815[%d] tw2864[%d] tw2865[%d]\n",
240 hweight32(solo_dev->tw2815),
241 hweight32(solo_dev->tw2864),
242 hweight32(solo_dev->tw2865));
245 static ssize_t input_map_show(struct device *dev,
246 struct device_attribute *attr,
249 struct solo_dev *solo_dev =
250 container_of(dev, struct solo_dev, dev);
254 val = solo_reg_read(solo_dev, SOLO_VI_CH_SWITCH_0);
255 out += sprintf(out, "Channel 0 => Input %d\n", val & 0x1f);
256 out += sprintf(out, "Channel 1 => Input %d\n", (val >> 5) & 0x1f);
257 out += sprintf(out, "Channel 2 => Input %d\n", (val >> 10) & 0x1f);
258 out += sprintf(out, "Channel 3 => Input %d\n", (val >> 15) & 0x1f);
259 out += sprintf(out, "Channel 4 => Input %d\n", (val >> 20) & 0x1f);
260 out += sprintf(out, "Channel 5 => Input %d\n", (val >> 25) & 0x1f);
262 val = solo_reg_read(solo_dev, SOLO_VI_CH_SWITCH_1);
263 out += sprintf(out, "Channel 6 => Input %d\n", val & 0x1f);
264 out += sprintf(out, "Channel 7 => Input %d\n", (val >> 5) & 0x1f);
265 out += sprintf(out, "Channel 8 => Input %d\n", (val >> 10) & 0x1f);
266 out += sprintf(out, "Channel 9 => Input %d\n", (val >> 15) & 0x1f);
267 out += sprintf(out, "Channel 10 => Input %d\n", (val >> 20) & 0x1f);
268 out += sprintf(out, "Channel 11 => Input %d\n", (val >> 25) & 0x1f);
270 val = solo_reg_read(solo_dev, SOLO_VI_CH_SWITCH_2);
271 out += sprintf(out, "Channel 12 => Input %d\n", val & 0x1f);
272 out += sprintf(out, "Channel 13 => Input %d\n", (val >> 5) & 0x1f);
273 out += sprintf(out, "Channel 14 => Input %d\n", (val >> 10) & 0x1f);
274 out += sprintf(out, "Channel 15 => Input %d\n", (val >> 15) & 0x1f);
275 out += sprintf(out, "Spot Output => Input %d\n", (val >> 20) & 0x1f);
280 static ssize_t p2m_timeout_store(struct device *dev,
281 struct device_attribute *attr,
282 const char *buf, size_t count)
284 struct solo_dev *solo_dev =
285 container_of(dev, struct solo_dev, dev);
287 int ret = kstrtoul(buf, 10, &ms);
289 if (ret < 0 || ms > 200)
291 solo_dev->p2m_jiffies = msecs_to_jiffies(ms);
296 static ssize_t p2m_timeout_show(struct device *dev,
297 struct device_attribute *attr,
300 struct solo_dev *solo_dev =
301 container_of(dev, struct solo_dev, dev);
303 return sprintf(buf, "%ums\n", jiffies_to_msecs(solo_dev->p2m_jiffies));
306 static ssize_t intervals_show(struct device *dev,
307 struct device_attribute *attr,
310 struct solo_dev *solo_dev =
311 container_of(dev, struct solo_dev, dev);
313 int fps = solo_dev->fps;
316 for (i = 0; i < solo_dev->nr_chans; i++) {
317 out += sprintf(out, "Channel %d: %d/%d (0x%08x)\n",
318 i, solo_dev->v4l2_enc[i]->interval, fps,
319 solo_reg_read(solo_dev, SOLO_CAP_CH_INTV(i)));
325 static ssize_t sdram_offsets_show(struct device *dev,
326 struct device_attribute *attr,
329 struct solo_dev *solo_dev =
330 container_of(dev, struct solo_dev, dev);
333 out += sprintf(out, "DISP: 0x%08x @ 0x%08x\n",
337 out += sprintf(out, "EOSD: 0x%08x @ 0x%08x (0x%08x * %d)\n",
339 SOLO_EOSD_EXT_AREA(solo_dev),
340 SOLO_EOSD_EXT_SIZE(solo_dev),
341 SOLO_EOSD_EXT_AREA(solo_dev) /
342 SOLO_EOSD_EXT_SIZE(solo_dev));
344 out += sprintf(out, "MOTI: 0x%08x @ 0x%08x\n",
345 SOLO_MOTION_EXT_ADDR(solo_dev),
346 SOLO_MOTION_EXT_SIZE);
348 out += sprintf(out, "G723: 0x%08x @ 0x%08x\n",
349 SOLO_G723_EXT_ADDR(solo_dev),
352 out += sprintf(out, "CAPT: 0x%08x @ 0x%08x (0x%08x * %d)\n",
353 SOLO_CAP_EXT_ADDR(solo_dev),
354 SOLO_CAP_EXT_SIZE(solo_dev),
356 SOLO_CAP_EXT_SIZE(solo_dev) / SOLO_CAP_PAGE_SIZE);
358 out += sprintf(out, "EREF: 0x%08x @ 0x%08x (0x%08x * %d)\n",
359 SOLO_EREF_EXT_ADDR(solo_dev),
360 SOLO_EREF_EXT_AREA(solo_dev),
362 SOLO_EREF_EXT_AREA(solo_dev) / SOLO_EREF_EXT_SIZE);
364 out += sprintf(out, "MPEG: 0x%08x @ 0x%08x\n",
365 SOLO_MP4E_EXT_ADDR(solo_dev),
366 SOLO_MP4E_EXT_SIZE(solo_dev));
368 out += sprintf(out, "JPEG: 0x%08x @ 0x%08x\n",
369 SOLO_JPEG_EXT_ADDR(solo_dev),
370 SOLO_JPEG_EXT_SIZE(solo_dev));
375 static ssize_t sdram_show(struct file *file, struct kobject *kobj,
376 struct bin_attribute *a, char *buf,
377 loff_t off, size_t count)
379 struct device *dev = container_of(kobj, struct device, kobj);
380 struct solo_dev *solo_dev =
381 container_of(dev, struct solo_dev, dev);
382 const int size = solo_dev->sdram_size;
387 if (off + count > size)
390 if (solo_p2m_dma(solo_dev, 0, buf, off, count, 0, 0))
396 static const struct device_attribute solo_dev_attrs[] = {
397 __ATTR(eeprom, 0640, eeprom_show, eeprom_store),
398 __ATTR(p2m_timeout, 0644, p2m_timeout_show, p2m_timeout_store),
399 __ATTR_RO(p2m_timeouts),
400 __ATTR_RO(sdram_size),
402 __ATTR_RO(input_map),
403 __ATTR_RO(intervals),
404 __ATTR_RO(sdram_offsets),
407 static void solo_device_release(struct device *dev)
412 static int solo_sysfs_init(struct solo_dev *solo_dev)
414 struct bin_attribute *sdram_attr = &solo_dev->sdram_attr;
415 struct device *dev = &solo_dev->dev;
419 if (solo_dev->type == SOLO_DEV_6110)
424 dev->release = solo_device_release;
425 dev->parent = &solo_dev->pdev->dev;
426 set_dev_node(dev, dev_to_node(&solo_dev->pdev->dev));
427 dev_set_name(dev, "%s-%d-%d", driver, solo_dev->vfd->num,
430 if (device_register(dev)) {
436 for (i = 0; i < ARRAY_SIZE(solo_dev_attrs); i++) {
437 if (device_create_file(dev, &solo_dev_attrs[i])) {
438 device_unregister(dev);
443 sysfs_attr_init(&sdram_attr->attr);
444 sdram_attr->attr.name = "sdram";
445 sdram_attr->attr.mode = 0440;
446 sdram_attr->read = sdram_show;
447 sdram_attr->size = solo_dev->sdram_size;
449 if (device_create_bin_file(dev, sdram_attr)) {
450 device_unregister(dev);
457 static int solo_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
459 struct solo_dev *solo_dev;
463 solo_dev = kzalloc(sizeof(*solo_dev), GFP_KERNEL);
464 if (solo_dev == NULL)
467 if (id->driver_data == SOLO_DEV_6010)
468 dev_info(&pdev->dev, "Probing Softlogic 6010\n");
470 dev_info(&pdev->dev, "Probing Softlogic 6110\n");
472 solo_dev->type = id->driver_data;
473 solo_dev->pdev = pdev;
474 ret = v4l2_device_register(&pdev->dev, &solo_dev->v4l2_dev);
478 /* Only for during init */
479 solo_dev->p2m_jiffies = msecs_to_jiffies(100);
481 ret = pci_enable_device(pdev);
485 pci_set_master(pdev);
487 /* RETRY/TRDY Timeout disabled */
488 pci_write_config_byte(pdev, 0x40, 0x00);
489 pci_write_config_byte(pdev, 0x41, 0x00);
491 ret = pci_request_regions(pdev, SOLO6X10_NAME);
495 solo_dev->reg_base = pci_ioremap_bar(pdev, 0);
496 if (solo_dev->reg_base == NULL) {
501 chip_id = solo_reg_read(solo_dev, SOLO_CHIP_OPTION) &
505 solo_dev->nr_chans = 16;
506 solo_dev->nr_ext = 5;
509 solo_dev->nr_chans = 8;
510 solo_dev->nr_ext = 2;
513 dev_warn(&pdev->dev, "Invalid chip_id 0x%02x, assuming 4 ch\n",
517 solo_dev->nr_chans = 4;
518 solo_dev->nr_ext = 1;
521 /* Disable all interrupts to start */
522 solo_irq_off(solo_dev, ~0);
524 /* Initial global settings */
525 if (solo_dev->type == SOLO_DEV_6010) {
526 solo_dev->clock_mhz = 108;
527 solo_dev->sys_config = SOLO_SYS_CFG_SDRAM64BIT
528 | SOLO_SYS_CFG_INPUTDIV(25)
529 | SOLO_SYS_CFG_FEEDBACKDIV(solo_dev->clock_mhz * 2 - 2)
530 | SOLO_SYS_CFG_OUTDIV(3);
531 solo_reg_write(solo_dev, SOLO_SYS_CFG, solo_dev->sys_config);
535 solo_dev->clock_mhz = 135;
537 if (solo_dev->clock_mhz < 125) {
539 divf = (solo_dev->clock_mhz * 4) / 3 - 1;
542 divf = (solo_dev->clock_mhz * 2) / 3 - 1;
545 solo_reg_write(solo_dev, SOLO_PLL_CONFIG,
546 (1 << 20) | /* PLL_RANGE */
547 (8 << 15) | /* PLL_DIVR */
550 (1 << 1) /* PLL_FSEN */);
552 solo_dev->sys_config = SOLO_SYS_CFG_SDRAM64BIT;
555 solo_reg_write(solo_dev, SOLO_SYS_CFG, solo_dev->sys_config);
556 solo_reg_write(solo_dev, SOLO_TIMER_CLOCK_NUM,
557 solo_dev->clock_mhz - 1);
559 /* PLL locking time of 1ms */
562 ret = request_irq(pdev->irq, solo_isr, IRQF_SHARED, SOLO6X10_NAME,
567 /* Handle this from the start */
568 solo_irq_on(solo_dev, SOLO_IRQ_PCI_ERR);
570 ret = solo_i2c_init(solo_dev);
574 /* Setup the DMA engine */
575 solo_reg_write(solo_dev, SOLO_DMA_CTRL,
576 SOLO_DMA_CTRL_REFRESH_CYCLE(1) |
577 SOLO_DMA_CTRL_SDRAM_SIZE(2) |
578 SOLO_DMA_CTRL_SDRAM_CLK_INVERT |
579 SOLO_DMA_CTRL_READ_CLK_SELECT |
580 SOLO_DMA_CTRL_LATENCY(1));
582 /* Undocumented crap */
583 solo_reg_write(solo_dev, SOLO_DMA_CTRL1,
584 solo_dev->type == SOLO_DEV_6010 ? 0x100 : 0x300);
586 if (solo_dev->type != SOLO_DEV_6010) {
587 solo_dev->usec_lsb = 0x3f;
588 solo_set_time(solo_dev);
591 /* Disable watchdog */
592 solo_reg_write(solo_dev, SOLO_WATCHDOG, 0);
594 /* Initialize sub components */
596 ret = solo_p2m_init(solo_dev);
600 ret = solo_disp_init(solo_dev);
604 ret = solo_gpio_init(solo_dev);
608 ret = solo_tw28_init(solo_dev);
612 ret = solo_v4l2_init(solo_dev, video_nr);
616 ret = solo_enc_init(solo_dev);
620 ret = solo_enc_v4l2_init(solo_dev, video_nr);
624 ret = solo_g723_init(solo_dev);
628 ret = solo_sysfs_init(solo_dev);
632 /* Now that init is over, set this lower */
633 solo_dev->p2m_jiffies = msecs_to_jiffies(20);
638 free_solo_dev(solo_dev);
642 static void solo_pci_remove(struct pci_dev *pdev)
644 struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
645 struct solo_dev *solo_dev = container_of(v4l2_dev, struct solo_dev, v4l2_dev);
647 free_solo_dev(solo_dev);
650 static const struct pci_device_id solo_id_table[] = {
651 /* 6010 based cards */
652 { PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC, PCI_DEVICE_ID_SOLO6010),
653 .driver_data = SOLO_DEV_6010 },
654 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_4),
655 .driver_data = SOLO_DEV_6010 },
656 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_9),
657 .driver_data = SOLO_DEV_6010 },
658 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_16),
659 .driver_data = SOLO_DEV_6010 },
660 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_4),
661 .driver_data = SOLO_DEV_6010 },
662 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_9),
663 .driver_data = SOLO_DEV_6010 },
664 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_SOLO_16),
665 .driver_data = SOLO_DEV_6010 },
666 /* 6110 based cards */
667 { PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC, PCI_DEVICE_ID_SOLO6110),
668 .driver_data = SOLO_DEV_6110 },
669 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_4),
670 .driver_data = SOLO_DEV_6110 },
671 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_8),
672 .driver_data = SOLO_DEV_6110 },
673 { PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_BC_6110_16),
674 .driver_data = SOLO_DEV_6110 },
678 MODULE_DEVICE_TABLE(pci, solo_id_table);
680 static struct pci_driver solo_pci_driver = {
681 .name = SOLO6X10_NAME,
682 .id_table = solo_id_table,
683 .probe = solo_pci_probe,
684 .remove = solo_pci_remove,
687 module_pci_driver(solo_pci_driver);