1 #include <media/camsys_head.h>
3 #include "camsys_cif.h"
4 #include "camsys_marvin.h"
5 #include "camsys_mipicsi_phy.h"
6 #include "camsys_gpio.h"
7 #include "camsys_soc_priv.h"
9 unsigned int camsys_debug=1;
10 module_param(camsys_debug, int, S_IRUGO|S_IWUSR);
12 static int drv_version = CAMSYS_DRIVER_VERSION;
13 module_param(drv_version, int, S_IRUGO);
14 static int head_version = CAMSYS_HEAD_VERSION;
15 module_param(head_version, int, S_IRUGO);
18 typedef struct camsys_devs_s {
20 struct list_head devs;
23 static camsys_devs_t camsys_devs;
25 static int camsys_i2c_write(camsys_i2c_info_t *i2cinfo, camsys_dev_t *camsys_dev)
28 unsigned char buf[8],*bufp;
29 unsigned short msg_times,totallen,onelen;
30 struct i2c_msg msg[1];
31 struct i2c_adapter *adapter;
33 adapter = i2c_get_adapter(i2cinfo->bus_num);
34 if (adapter == NULL) {
35 camsys_err("Get %d i2c adapter is failed!",i2cinfo->bus_num);
40 if (i2cinfo->i2cbuf_directly) {
41 if (camsys_dev->devmems.i2cmem == NULL) {
42 camsys_err("%s has not i2c mem, it isn't support i2c buf write!",dev_name(camsys_dev->miscdev.this_device));
46 totallen = (i2cinfo->i2cbuf_bytes&0xffff);
47 onelen = (i2cinfo->i2cbuf_bytes&0xffff0000)>>16;
48 msg_times = totallen/onelen;
49 if (totallen > camsys_dev->devmems.i2cmem->size) {
50 camsys_err("Want to write 0x%x bytes, i2c memory(size: 0x%x) is overlap",totallen,camsys_dev->devmems.i2cmem->size);
54 bufp = (unsigned char*)camsys_dev->devmems.i2cmem->vir_base;
56 for (i=0; i<i2cinfo->reg_size; i++) {
57 buf[i] = (i2cinfo->reg_addr>>((i2cinfo->reg_size-1-i)*8))&0xff;
59 for (j=0; j<i2cinfo->val_size; j++) {
60 buf[i+j] = (i2cinfo->val>>((i2cinfo->val_size-1-j)*8))&0xff; /* ddl@rock-chips.com: v0.a.0 */
63 onelen = i2cinfo->val_size + i2cinfo->reg_size;
68 msg->addr = (i2cinfo->slave_addr>>1);
70 msg->scl_rate = i2cinfo->speed;
71 // msg->read_type = 0;
73 for (i=0; i<msg_times; i++) {
74 msg->buf = bufp+i*onelen;
75 err = i2c_transfer(adapter, msg, 1);
77 camsys_err("i2c write dev(addr:0x%x) failed!",i2cinfo->slave_addr);
86 static int camsys_i2c_read(camsys_i2c_info_t *i2cinfo, camsys_dev_t *camsys_dev)
88 int err = 0,i,retry=2,tmp, num_msg;
90 struct i2c_msg msg[2];
91 struct i2c_adapter *adapter;
93 adapter = i2c_get_adapter(i2cinfo->bus_num);
94 if (adapter == NULL) {
95 camsys_err("Get %d i2c adapter is failed!",i2cinfo->bus_num);
101 if (i2cinfo->reg_size) { /* ddl@rock-chips.com: v0.a.0 */
102 for (i=0; i<i2cinfo->reg_size; i++) {
103 buf[i] = (i2cinfo->reg_addr>>((i2cinfo->reg_size-1-i)*8))&0xff;
106 msg[0].addr = (i2cinfo->slave_addr>>1);
108 msg[0].scl_rate = i2cinfo->speed;
109 //msg[0].read_type = 0;
111 msg[0].len = i2cinfo->reg_size;
115 msg[1].addr = (i2cinfo->slave_addr>>1);
116 msg[1].flags = I2C_M_RD;
117 msg[1].scl_rate = i2cinfo->speed;
118 // msg[1].read_type = 0;
120 msg[1].len = (unsigned short)i2cinfo->val_size;
124 while ((retry-- > 0) && (err < 0)) { /* ddl@rock-chips.com : Transfer again if transent is failed */
126 err = i2c_transfer(adapter, &msg[1], num_msg);
128 err = i2c_transfer(adapter, msg, num_msg);
134 camsys_err("i2c read dev(addr:0x%x) failed,try again-%d!",i2cinfo->slave_addr,retry);
142 for(i=0; i<i2cinfo->val_size; i++) {
144 i2cinfo->val |= (tmp<<((i2cinfo->val_size-1-i)*8));
153 static int camsys_extdev_register(camsys_devio_name_t *devio, camsys_dev_t *camsys_dev)
156 camsys_extdev_t *extdev;
157 camsys_regulator_info_t *regulator_info;
158 camsys_regulator_t *regulator;
159 camsys_gpio_info_t *gpio_info;
162 if ((devio->dev_id & CAMSYS_DEVID_EXTERNAL) == 0) {
164 camsys_err("dev_id: 0x%x is not support for camsys!",devio->dev_id);
168 extdev = camsys_find_extdev(devio->dev_id, camsys_dev);
169 if (extdev != NULL) {
171 camsys_warn("Extdev(dev_id: 0x%x) has been registered in %s!",
172 devio->dev_id, dev_name(camsys_dev->miscdev.this_device));
176 extdev = kzalloc(sizeof(camsys_extdev_t),GFP_KERNEL);
177 if (extdev == NULL) {
178 camsys_err("alloc camsys_extdev_t failed!");
183 extdev->dev_cfg = devio->dev_cfg;
184 extdev->fl.fl.active = devio->fl.fl.active;
185 regulator_info = &devio->avdd;
186 regulator = &extdev->avdd;
187 for (i=(CamSys_Vdd_Start_Tag+1); i<CamSys_Vdd_End_Tag; i++) {
188 if (strcmp(regulator_info->name,"NC")) {
189 regulator->ldo = regulator_get(NULL,regulator_info->name);
190 if (IS_ERR_OR_NULL(regulator->ldo)) {
191 camsys_err("Get %s regulator for dev_id 0x%x failed!",regulator_info->name,devio->dev_id);
196 regulator->min_uv = regulator_info->min_uv;
197 regulator->max_uv = regulator_info->max_uv;
198 camsys_trace(1,"Get %s regulator(min: %duv max: %duv) for dev_id 0x%x success",
199 regulator_info->name,regulator->min_uv,regulator->max_uv,
202 regulator->ldo = NULL;
203 regulator->min_uv = 0;
204 regulator->max_uv = 0;
211 gpio_info = &devio->pwrdn;
212 gpio = &extdev->pwrdn;
213 for (i=(CamSys_Gpio_Start_Tag+1); i<CamSys_Gpio_End_Tag; i++) {
214 if (strcmp(gpio_info->name,"NC")) {
215 gpio->io = camsys_gpio_get(gpio_info->name);
217 camsys_err("Get %s gpio for dev_id 0x%x failed!",gpio_info->name,devio->dev_id);
221 if (gpio_request(gpio->io,"camsys_gpio")<0) {
222 camsys_err("Request %s(%d) failed",gpio_info->name,gpio->io);
224 gpio->active = gpio_info->active;
225 camsys_trace(1,"Get %s(%d) gpio(active: %d) for dev_id 0x%x success!",
226 gpio_info->name,gpio->io,gpio->active,devio->dev_id);
228 gpio->io = 0xffffffff;
229 gpio->active = 0xffffffff;
236 extdev->pdev = camsys_dev->pdev;
237 extdev->phy = devio->phy;
238 extdev->clk = devio->clk;
239 extdev->dev_id = devio->dev_id;
240 //spin_lock(&camsys_dev->lock);
241 mutex_lock(&camsys_dev->extdevs.mut);
242 list_add_tail(&extdev->list, &camsys_dev->extdevs.list);
243 //spin_unlock(&camsys_dev->lock);
244 mutex_unlock(&camsys_dev->extdevs.mut);
246 camsys_dev->iomux(extdev, (void*)camsys_dev);
248 camsys_trace(1,"Extdev(dev_id: 0x%x) register success",extdev->dev_id);
261 static int camsys_extdev_deregister(unsigned int dev_id, camsys_dev_t *camsys_dev, bool all)
264 camsys_extdev_t *extdev;
265 camsys_regulator_t *regulator;
269 if ((dev_id & CAMSYS_DEVID_EXTERNAL) == 0) {
271 camsys_err("dev_id: 0x%x is not support for %s!",dev_id, dev_name(camsys_dev->miscdev.this_device));
275 extdev = camsys_find_extdev(dev_id, camsys_dev);
276 if (extdev == NULL) {
278 camsys_warn("Extdev(dev_id: 0x%x) isn't registered in %s!",
279 dev_id, dev_name(camsys_dev->miscdev.this_device));
283 regulator = &extdev->avdd;
284 for (i=(CamSys_Vdd_Start_Tag+1); i<CamSys_Vdd_End_Tag; i++) {
285 if (!IS_ERR_OR_NULL(regulator->ldo)) {
286 while(regulator_is_enabled(regulator->ldo)>0)
287 regulator_disable(regulator->ldo);
288 regulator_put(regulator->ldo);
293 gpio = &extdev->pwrdn;
294 for (i=(CamSys_Gpio_Start_Tag+1); i<CamSys_Gpio_End_Tag; i++) {
295 if (gpio->io!=0xffffffff) {
301 //spin_lock(&camsys_dev->lock);
302 mutex_lock(&camsys_dev->extdevs.mut);
303 list_del_init(&extdev->list);
304 list_del_init(&extdev->active);
305 //spin_unlock(&camsys_dev->lock);
306 mutex_unlock(&camsys_dev->extdevs.mut);
308 camsys_trace(1,"Extdev(dev_id: 0x%x) is deregister success", extdev->dev_id);
313 //spin_lock(&camsys_dev->lock);
314 mutex_lock(&camsys_dev->extdevs.mut);
315 while (!list_empty(&camsys_dev->extdevs.list)) {
317 extdev = list_first_entry(&camsys_dev->extdevs.list, camsys_extdev_t, list);
319 regulator = &extdev->avdd;
320 for (i=(CamSys_Vdd_Start_Tag+1); i<CamSys_Vdd_End_Tag; i++) {
321 if (!IS_ERR(regulator->ldo)) {
322 while(regulator_is_enabled(regulator->ldo)>0)
323 regulator_disable(regulator->ldo);
324 regulator_put(regulator->ldo);
329 gpio = &extdev->pwrdn;
330 for (i=(CamSys_Gpio_Start_Tag+1); i<CamSys_Gpio_End_Tag; i++) {
331 if (gpio->io!=0xffffffff) {
336 camsys_trace(1,"Extdev(dev_id: 0x%x) is deregister success", extdev->dev_id);
337 list_del_init(&extdev->list);
338 list_del_init(&extdev->active);
343 //spin_unlock(&camsys_dev->lock);
344 mutex_unlock(&camsys_dev->extdevs.mut);
345 camsys_trace(1, "All extdev is deregister success!");
354 static int camsys_sysctl(camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
358 camsys_extdev_t *extdev,*extdev2;
360 //spin_lock(&camsys_dev->lock);
361 mutex_lock(&camsys_dev->extdevs.mut);
362 if(devctl->ops == 0xaa){
367 if (camsys_dev->dev_id & devctl->dev_mask) {
372 camsys_dev->clkin_cb(camsys_dev,devctl->on);
378 camsys_dev->reset_cb(camsys_dev, devctl->on);
381 case CamSys_Flash_Trigger:
383 camsys_dev->flash_trigger_cb(camsys_dev, devctl->on);
388 if(camsys_dev->iommu_cb(camsys_dev, devctl) < 0){
400 for (i=0; i<8; i++) {
401 if (devctl->dev_mask & (1<<(i+24))) {
402 extdev = camsys_find_extdev((1<<(i+24)), camsys_dev);
404 camsys_sysctl_extdev(extdev, devctl, camsys_dev);
406 if (devctl->ops == CamSys_ClkIn) {
408 list_add_tail(&extdev->active,&camsys_dev->extdevs.active);
410 if (!list_empty(&camsys_dev->extdevs.active)) { /* ddla@rock-chips.com: v0.0.7 */
411 list_for_each_entry(extdev2, &camsys_dev->extdevs.active, active) {
412 if (extdev2 == extdev) {
413 list_del_init(&extdev->active);
422 camsys_err("Can not find dev_id 0x%x device in %s!", (1<<(i+24)), dev_name(camsys_dev->miscdev.this_device));
427 //spin_unlock(&camsys_dev->lock);
428 mutex_unlock(&camsys_dev->extdevs.mut);
431 static int camsys_phy_ops (camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, void *ptr)
433 camsys_dev_t *camsys_dev = (camsys_dev_t*)ptr;
434 camsys_mipiphy_t *mipiphy;
437 if (extdev->phy.type == CamSys_Phy_Mipi) {
438 mipiphy = (camsys_mipiphy_t*)devctl->rev;
439 if (devctl->on == 0) {
440 mipiphy->phy_index = extdev->phy.info.mipi.phy_index;
441 mipiphy->bit_rate = 0;
442 mipiphy->data_en_bit = 0x00;
444 if ((mipiphy->bit_rate == 0) || (mipiphy->data_en_bit == 0)) {
445 *mipiphy = extdev->phy.info.mipi;
447 if (mipiphy->phy_index != extdev->phy.info.mipi.phy_index) {
448 camsys_warn("mipiphy->phy_index(%d) != extdev->phy.info.mipi.phy_index(%d)!",
449 mipiphy->phy_index,extdev->phy.info.mipi.phy_index);
450 mipiphy->phy_index = extdev->phy.info.mipi.phy_index;
454 err = camsys_dev->mipiphy[mipiphy->phy_index].ops(ptr,mipiphy);
456 camsys_err("extdev(0x%x) mipi phy ops config failed!",extdev->dev_id);
462 static int camsys_irq_connect(camsys_irqcnnt_t *irqcnnt, camsys_dev_t *camsys_dev)
465 camsys_irqpool_t *irqpool;
466 unsigned long int flags;
468 if ((irqcnnt->mis != MRV_ISP_MIS) &&
469 (irqcnnt->mis != MRV_MIPI_MIS) &&
470 (irqcnnt->mis != MRV_MI_MIS)) {
472 camsys_err("this thread(pid: %d) irqcnnt->mis(0x%x) is invalidate, irq connect failed!",
473 irqcnnt->pid, irqcnnt->mis);
479 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
480 if (!list_empty(&camsys_dev->irq.irq_pool)) {
481 list_for_each_entry(irqpool, &camsys_dev->irq.irq_pool, list) {
482 if (irqpool->pid == irqcnnt->pid) {
483 camsys_warn("this thread(pid: %d) had been connect irq!",current->pid);
484 spin_unlock(&camsys_dev->irq.lock);
489 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
491 irqpool = kzalloc(sizeof(camsys_irqpool_t),GFP_KERNEL);
493 spin_lock_init(&irqpool->lock);
494 irqpool->pid = irqcnnt->pid;
495 irqpool->timeout = irqcnnt->timeout;
496 irqpool->mis = irqcnnt->mis;
497 irqpool->icr = irqcnnt->icr;
498 INIT_LIST_HEAD(&irqpool->active);
499 INIT_LIST_HEAD(&irqpool->deactive);
500 init_waitqueue_head(&irqpool->done);
501 for (i=0; i<CAMSYS_IRQPOOL_NUM; i++) {
502 list_add_tail(&irqpool->pool[i].list, &irqpool->deactive);
506 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
507 //camsys_dev->irq.timeout = irqcnnt->timeout;
508 list_add_tail(&irqpool->list, &camsys_dev->irq.irq_pool);
509 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
510 camsys_trace(1, "Thread(pid: %d) connect %s irq success! mis: 0x%x icr: 0x%x ", irqpool->pid, dev_name(camsys_dev->miscdev.this_device),
511 irqpool->mis,irqpool->icr);
516 static int active_list_isnot_empty(camsys_irqpool_t *irqpool)
519 unsigned long int flags;
521 spin_lock_irqsave(&irqpool->lock,flags);
522 err = list_empty(&irqpool->active);
523 spin_unlock_irqrestore(&irqpool->lock,flags);
528 static int camsys_irq_wait(camsys_irqsta_t *irqsta, camsys_dev_t *camsys_dev)
531 bool find_pool = false;
532 camsys_irqstas_t *irqstas;
533 camsys_irqpool_t *irqpool;
534 unsigned long int flags;
536 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
537 if (!list_empty(&camsys_dev->irq.irq_pool)) {
538 list_for_each_entry(irqpool, &camsys_dev->irq.irq_pool, list) {
539 if (irqpool->pid == current->pid) {
545 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
547 if (find_pool == false) {
548 camsys_err("this thread(pid: %d) hasn't been connect irq, so wait irq failed!",current->pid);
554 spin_lock_irqsave(&irqpool->lock,flags);
555 if (!list_empty(&irqpool->active)) {
556 irqstas = list_first_entry(&irqpool->active, camsys_irqstas_t, list);
557 *irqsta = irqstas->sta;
558 list_del_init(&irqstas->list);
559 list_add_tail(&irqstas->list,&irqpool->deactive);
560 spin_unlock_irqrestore(&irqpool->lock,flags);
562 spin_unlock_irqrestore(&irqpool->lock,flags);
564 wait_event_interruptible_timeout(irqpool->done,
565 active_list_isnot_empty(irqpool),
566 usecs_to_jiffies(irqpool->timeout));
568 if (irqpool->pid == current->pid) {
569 if (active_list_isnot_empty(irqpool)) {
570 spin_lock_irqsave(&irqpool->lock,flags);
571 irqstas = list_first_entry(&irqpool->active, camsys_irqstas_t, list);
572 *irqsta = irqstas->sta;
573 list_del_init(&irqstas->list);
574 list_add_tail(&irqstas->list,&irqpool->deactive);
575 spin_unlock_irqrestore(&irqpool->lock,flags);
580 camsys_warn("Thread(pid: %d) has been disconnect!",current->pid);
586 camsys_trace(3,"Thread(pid: %d) has been wake up for irq(mis: 0x%x ris:0x%x)!",
587 current->pid, irqsta->mis, irqsta->ris);
594 static int camsys_irq_disconnect(camsys_irqcnnt_t *irqcnnt, camsys_dev_t *camsys_dev, bool all)
597 bool find_pool = false;
598 camsys_irqpool_t *irqpool;
599 unsigned long int flags;
602 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
603 if (!list_empty(&camsys_dev->irq.irq_pool)) {
604 list_for_each_entry(irqpool, &camsys_dev->irq.irq_pool, list) {
605 if (irqpool->pid == irqcnnt->pid) {
612 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
614 if (find_pool == false) {
615 camsys_err("this thread(pid: %d) have not been connect irq!, disconnect failed",current->pid);
617 wake_up_all(&irqpool->done);
620 camsys_trace(1, "Thread(pid: %d) disconnect %s irq success!", irqcnnt->pid, dev_name(camsys_dev->miscdev.this_device));
622 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
623 while (!list_empty(&camsys_dev->irq.irq_pool)) {
624 irqpool = list_first_entry(&camsys_dev->irq.irq_pool, camsys_irqpool_t, list);
625 list_del_init(&irqpool->list);
627 wake_up_all(&irqpool->done);
631 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
633 camsys_trace(1, "All thread disconnect %s irq success!", dev_name(camsys_dev->miscdev.this_device));
640 static int camsys_querymem (camsys_dev_t *camsys_dev, camsys_querymem_t *qmem)
644 if (qmem->mem_type == CamSys_Mmap_RegisterMem) {
645 if (camsys_dev->devmems.registermem == NULL) {
646 camsys_err("%s register memory isn't been register!", dev_name(camsys_dev->miscdev.this_device));
651 qmem->mem_size = camsys_dev->devmems.registermem->size;
652 qmem->mem_offset = CamSys_Mmap_RegisterMem*PAGE_SIZE;
653 } else if (qmem->mem_type == CamSys_Mmap_I2cMem) {
654 if (camsys_dev->devmems.i2cmem== NULL) {
655 camsys_err("%s i2c memory isn't been register!", dev_name(camsys_dev->miscdev.this_device));
660 qmem->mem_size = camsys_dev->devmems.i2cmem->size;
661 qmem->mem_offset = CamSys_Mmap_I2cMem*PAGE_SIZE;
663 camsys_err("%d memory type have not in %s memory list",qmem->mem_type,dev_name(camsys_dev->miscdev.this_device));
673 static int camsys_open(struct inode *inode, struct file *file)
676 int minor = iminor(inode);
677 camsys_dev_t *camsys_dev;
678 unsigned int i,phycnt;
680 spin_lock(&camsys_devs.lock);
681 list_for_each_entry(camsys_dev, &camsys_devs.devs, list) {
682 if (camsys_dev->miscdev.minor == minor) {
683 file->private_data = (void*)(camsys_dev);
687 spin_unlock(&camsys_devs.lock);
690 INIT_LIST_HEAD(&camsys_dev->extdevs.active);
692 if (camsys_dev->mipiphy != NULL) {
693 phycnt = camsys_dev->mipiphy[0].phycnt;
695 for (i=0; i<phycnt; i++) {
696 if (camsys_dev->mipiphy[i].clkin_cb != NULL) {
697 camsys_dev->mipiphy[i].clkin_cb(camsys_dev,1);
703 if (file->private_data == NULL) {
704 camsys_err("Cann't find camsys_dev!");
708 camsys_trace(1,"%s(%p) is opened!",dev_name(camsys_dev->miscdev.this_device),camsys_dev);
715 static int camsys_release(struct inode *inode, struct file *file)
717 camsys_dev_t *camsys_dev = (camsys_dev_t*)file->private_data;
718 unsigned int i,phycnt;
720 camsys_irq_disconnect(NULL,camsys_dev, true);
722 if (camsys_dev->mipiphy != NULL) {
723 phycnt = camsys_dev->mipiphy[0].phycnt;
725 for (i=0; i<phycnt; i++) {
726 if (camsys_dev->mipiphy[i].clkin_cb != NULL) {
727 camsys_dev->mipiphy[i].clkin_cb(camsys_dev,0);
732 camsys_trace(1,"%s(%p) is closed",dev_name(camsys_dev->miscdev.this_device),camsys_dev);
738 * The ioctl() implementation
741 static long camsys_ioctl(struct file *filp,unsigned int cmd, unsigned long arg)
744 camsys_dev_t *camsys_dev = (camsys_dev_t*)filp->private_data;
746 if (_IOC_TYPE(cmd) != CAMSYS_IOC_MAGIC) {
747 camsys_err("ioctl type(%c!=%c) is invalidate\n",_IOC_TYPE(cmd),CAMSYS_IOC_MAGIC);
751 if (_IOC_NR(cmd) > CAMSYS_IOC_MAXNR) {
752 camsys_err("ioctl index(%d>%d) is invalidate\n",_IOC_NR(cmd),CAMSYS_IOC_MAXNR);
757 if (_IOC_DIR(cmd) & _IOC_READ)
758 err = !access_ok(VERIFY_WRITE, (void __user *)arg, _IOC_SIZE(cmd));
759 else if (_IOC_DIR(cmd) & _IOC_WRITE)
760 err = !access_ok(VERIFY_READ, (void __user *)arg, _IOC_SIZE(cmd));
763 camsys_err("ioctl(0x%x) operation not permitted for %s",cmd,dev_name(camsys_dev->miscdev.this_device));
772 camsys_version_t camsys_ver;
774 camsys_ver.drv_ver = CAMSYS_DRIVER_VERSION;
775 camsys_ver.head_ver = CAMSYS_HEAD_VERSION;
776 if (copy_to_user((void __user *)arg,(void*)&camsys_ver, sizeof(camsys_version_t)))
780 case CAMSYS_QUREYIOMMU:
782 int iommu_enabled = 0;
783 #ifdef CONFIG_ROCKCHIP_IOMMU
784 of_property_read_u32(camsys_dev->pdev->dev.of_node, "rockchip,isp,iommu_enable", &iommu_enabled);
786 if (copy_to_user((void __user *)arg,(void*)&iommu_enabled, sizeof(iommu_enabled)))
792 camsys_i2c_info_t i2cinfo;
794 if (copy_from_user((void*)&i2cinfo,(void __user *)arg, sizeof(camsys_i2c_info_t)))
797 err = camsys_i2c_read(&i2cinfo,camsys_dev);
799 if (copy_to_user((void __user *)arg,(void*)&i2cinfo, sizeof(camsys_i2c_info_t)))
807 camsys_i2c_info_t i2cinfo;
809 if (copy_from_user((void*)&i2cinfo,(void __user *)arg, sizeof(camsys_i2c_info_t)))
812 err = camsys_i2c_write(&i2cinfo,camsys_dev);
818 camsys_sysctrl_t devctl;
820 if (copy_from_user((void*)&devctl,(void __user *)arg, sizeof(camsys_sysctrl_t)))
823 err = camsys_sysctl(&devctl, camsys_dev);
824 if ((err==0) && (devctl.ops == CamSys_IOMMU)){
825 if (copy_to_user((void __user *)arg,(void*)&devctl, sizeof(camsys_sysctrl_t)))
843 case CAMSYS_REGISTER_DEVIO:
845 camsys_devio_name_t devio;
847 if (copy_from_user((void*)&devio,(void __user *)arg, sizeof(camsys_devio_name_t)))
850 err = camsys_extdev_register(&devio,camsys_dev);
854 case CAMSYS_DEREGISTER_DEVIO:
858 if (copy_from_user((void*)&dev_id,(void __user *)arg, sizeof(unsigned int)))
861 err = camsys_extdev_deregister(dev_id, camsys_dev, false);
865 case CAMSYS_IRQCONNECT:
867 camsys_irqcnnt_t irqcnnt;
869 if (copy_from_user((void*)&irqcnnt,(void __user *)arg, sizeof(camsys_irqcnnt_t)))
872 err = camsys_irq_connect(&irqcnnt, camsys_dev);
879 camsys_irqsta_t irqsta;
881 err = camsys_irq_wait(&irqsta, camsys_dev);
883 if (copy_to_user((void __user *)arg,(void*)&irqsta, sizeof(camsys_irqsta_t)))
889 case CAMSYS_IRQDISCONNECT:
891 camsys_irqcnnt_t irqcnnt;
893 if (copy_from_user((void*)&irqcnnt,(void __user *)arg, sizeof(camsys_irqcnnt_t)))
895 err = camsys_irq_disconnect(&irqcnnt,camsys_dev,false);
900 case CAMSYS_QUREYMEM:
902 camsys_querymem_t qmem;
904 if (copy_from_user((void*)&qmem,(void __user *)arg, sizeof(camsys_querymem_t)))
907 err = camsys_querymem(camsys_dev,&qmem);
909 if (copy_to_user((void __user *)arg,(void*)&qmem, sizeof(camsys_querymem_t)))
926 static void camsys_vm_open(struct vm_area_struct *vma)
928 camsys_meminfo_t *meminfo = (camsys_meminfo_t*)vma->vm_private_data;
934 static void camsys_vm_close(struct vm_area_struct *vma)
936 camsys_meminfo_t *meminfo = (camsys_meminfo_t*)vma->vm_private_data;
942 static const struct vm_operations_struct camsys_vm_ops = {
943 .open = camsys_vm_open,
944 .close = camsys_vm_close,
947 int camsys_mmap(struct file *flip, struct vm_area_struct *vma)
949 camsys_dev_t *camsys_dev = (camsys_dev_t*)flip->private_data;
950 unsigned long addr, start, size;
951 camsys_mmap_type_t mem_type;
952 camsys_meminfo_t *meminfo;
955 mem_type = vma->vm_pgoff;
957 if (mem_type == CamSys_Mmap_RegisterMem) {
958 if (camsys_dev->devmems.registermem != NULL) {
959 meminfo = camsys_dev->devmems.registermem;
961 camsys_err("this camsys device has not register mem!");
965 } else if (mem_type == CamSys_Mmap_I2cMem) {
966 if (camsys_dev->devmems.i2cmem != NULL) {
967 meminfo = camsys_dev->devmems.i2cmem;
969 camsys_err("this camsys device has not i2c mem!");
974 camsys_err("mmap buffer type %d is invalidate!",mem_type);
979 size = vma->vm_end - vma->vm_start;
980 if (size > meminfo->size) {
982 camsys_err("mmap size(0x%lx) > memory size(0x%x), so failed!",size,meminfo->size);
986 start = vma->vm_start;
987 addr = __phys_to_pfn(meminfo->phy_base);
989 if (remap_pfn_range(vma, start, addr,size,pgprot_noncached(vma->vm_page_prot))) {
995 vma->vm_ops = &camsys_vm_ops;
996 vma->vm_flags |= VM_IO;
997 vma->vm_flags |=VM_ACCOUNT;//same as VM_RESERVED;
998 vma->vm_private_data = (void*)meminfo;
1005 struct file_operations camsys_fops = {
1006 .owner = THIS_MODULE,
1007 .open = camsys_open,
1008 .release = camsys_release,
1009 .unlocked_ioctl = camsys_ioctl,
1010 .mmap = camsys_mmap,
1013 static int camsys_platform_probe(struct platform_device *pdev){
1015 camsys_dev_t *camsys_dev;
1016 struct resource register_res ;
1017 struct device *dev = &pdev->dev;
1018 unsigned long i2cmem;
1019 camsys_meminfo_t *meminfo;
1020 unsigned int irq_id;
1022 err = of_address_to_resource(dev->of_node, 0, ®ister_res);
1024 camsys_err("Get register resource from %s platform device failed!",pdev->name);
1031 irq_id = irq_of_parse_and_map(dev->of_node, 0);
1033 camsys_err("Get irq resource from %s platform device failed!",pdev->name);
1038 camsys_dev = (camsys_dev_t*)devm_kzalloc(&pdev->dev,sizeof(camsys_dev_t), GFP_KERNEL);
1039 if (camsys_dev == NULL) {
1040 camsys_err("Allocate camsys_dev for %s platform device failed",pdev->name);
1045 //spin_lock_init(&camsys_dev->lock);
1046 mutex_init(&camsys_dev->extdevs.mut);
1047 INIT_LIST_HEAD(&camsys_dev->extdevs.list);
1048 INIT_LIST_HEAD(&camsys_dev->extdevs.active);
1049 INIT_LIST_HEAD(&camsys_dev->list);
1053 camsys_dev->irq.irq_id = irq_id;
1054 spin_lock_init(&camsys_dev->irq.lock);
1055 INIT_LIST_HEAD(&camsys_dev->irq.irq_pool);
1056 //init_waitqueue_head(&camsys_dev->irq.irq_done);
1058 INIT_LIST_HEAD(&camsys_dev->devmems.memslist);
1060 // get soc operation
1061 camsys_dev->soc = (void*)camsys_soc_get();
1062 if (camsys_dev->soc == NULL) {
1068 meminfo = kzalloc(sizeof(camsys_meminfo_t),GFP_KERNEL);
1069 if (meminfo == NULL) {
1071 goto request_mem_fail;
1074 meminfo->vir_base = (unsigned int)devm_ioremap_resource(dev, ®ister_res);
1075 if (!meminfo->vir_base){
1076 camsys_err("%s ioremap %s failed",dev_name(&pdev->dev), CAMSYS_REGISTER_MEM_NAME);
1078 goto request_mem_fail;
1081 strlcpy(meminfo->name, CAMSYS_REGISTER_MEM_NAME,sizeof(meminfo->name));
1082 meminfo->phy_base = register_res.start;
1083 meminfo->size = register_res.end - register_res.start + 1;
1084 list_add_tail(&meminfo->list, &camsys_dev->devmems.memslist);
1088 i2cmem = __get_free_page(GFP_KERNEL);
1090 camsys_err("Allocate i2cmem failed!");
1092 goto request_mem_fail;
1094 SetPageReserved(virt_to_page(i2cmem));
1096 meminfo = kzalloc(sizeof(camsys_meminfo_t),GFP_KERNEL);
1097 if (meminfo == NULL) {
1099 goto request_mem_fail;
1101 strlcpy(meminfo->name,CAMSYS_I2C_MEM_NAME,sizeof(meminfo->name));
1102 meminfo->vir_base = i2cmem;
1103 meminfo->phy_base = virt_to_phys((void*)i2cmem);
1104 meminfo->size = PAGE_SIZE;
1105 list_add_tail(&meminfo->list, &camsys_dev->devmems.memslist);
1110 tmpp = (unsigned int*)meminfo->vir_base;
1117 if (camsys_mipiphy_probe_cb(pdev, camsys_dev) <0) {
1118 camsys_err("Mipi phy probe failed!");
1123 if (strcmp(dev_name(&pdev->dev),CAMSYS_PLATFORM_MARVIN_NAME) == 0) {
1124 #if (defined(CONFIG_CAMSYS_MRV))
1125 camsys_mrv_probe_cb(pdev, camsys_dev);
1127 camsys_err("Marvin controller camsys driver haven't been complie!!!");
1130 #if (defined(CONFIG_CAMSYS_CIF))
1131 camsys_cif_probe_cb(pdev,camsys_dev);
1133 camsys_err("CIF controller camsys driver haven't been complie!!!");
1137 #if (defined(CONFIG_CAMSYS_MRV))
1138 camsys_mrv_probe_cb(pdev, camsys_dev);
1139 #elif (defined(CONFIG_CAMSYS_CIF))
1140 camsys_cif_probe_cb(pdev,camsys_dev);
1142 camsys_err("camsys driver haven't been complie!!!");
1145 camsys_trace(1, "%s memory:",dev_name(&pdev->dev));
1146 list_for_each_entry(meminfo, &camsys_dev->devmems.memslist, list) {
1147 if (strcmp(meminfo->name,CAMSYS_I2C_MEM_NAME) == 0) {
1148 camsys_dev->devmems.i2cmem = meminfo;
1149 camsys_trace(1," I2c memory (phy: 0x%x vir: 0x%x size: 0x%x)",
1150 meminfo->phy_base,meminfo->vir_base,meminfo->size);
1152 if (strcmp(meminfo->name,CAMSYS_REGISTER_MEM_NAME) == 0) {
1153 camsys_dev->devmems.registermem = meminfo;
1154 camsys_trace(1," Register memory (phy: 0x%x vir: 0x%x size: 0x%x)",
1155 meminfo->phy_base,meminfo->vir_base,meminfo->size);
1160 camsys_dev->phy_cb = camsys_phy_ops;
1161 camsys_dev->pdev = pdev;
1163 platform_set_drvdata(pdev,(void*)camsys_dev);
1164 //Camsys_devs list add
1165 spin_lock(&camsys_devs.lock);
1166 list_add_tail(&camsys_dev->list, &camsys_devs.devs);
1167 spin_unlock(&camsys_devs.lock);
1170 camsys_trace(1, "Probe %s device success ", dev_name(&pdev->dev));
1173 if (camsys_dev != NULL) {
1175 while(!list_empty(&camsys_dev->devmems.memslist)) {
1176 meminfo = list_first_entry(&camsys_dev->devmems.memslist, camsys_meminfo_t, list);
1178 list_del_init(&meminfo->list);
1179 if (strcmp(meminfo->name,CAMSYS_REGISTER_MEM_NAME)==0) {
1180 iounmap((void __iomem *)meminfo->vir_base);
1181 release_mem_region(meminfo->phy_base,meminfo->size);
1182 } else if (strcmp(meminfo->name,CAMSYS_I2C_MEM_NAME)==0) {
1183 kfree((void*)meminfo->vir_base);
1198 static int camsys_platform_remove(struct platform_device *pdev)
1200 camsys_dev_t *camsys_dev = platform_get_drvdata(pdev);
1201 camsys_meminfo_t *meminfo;
1206 while(!list_empty(&camsys_dev->devmems.memslist)) {
1207 meminfo = list_first_entry(&camsys_dev->devmems.memslist, camsys_meminfo_t, list);
1209 list_del_init(&meminfo->list);
1210 if (strcmp(meminfo->name,CAMSYS_REGISTER_MEM_NAME)==0) {
1211 iounmap((void __iomem *)meminfo->vir_base);
1212 release_mem_region(meminfo->phy_base,meminfo->size);
1213 } else if (strcmp(meminfo->name,CAMSYS_I2C_MEM_NAME)==0) {
1214 kfree((void*)meminfo->vir_base);
1222 if (camsys_dev->irq.irq_id) {
1223 free_irq(camsys_dev->irq.irq_id, camsys_dev);
1224 camsys_irq_disconnect(NULL,camsys_dev,true);
1228 if (!list_empty(&camsys_dev->extdevs.list)) {
1229 camsys_extdev_deregister(0,camsys_dev,true);
1231 if (camsys_dev->mipiphy != NULL) {
1232 camsys_dev->mipiphy->remove(pdev);
1234 if (camsys_dev->cifphy.remove)
1235 camsys_dev->cifphy.remove(pdev);
1236 camsys_dev->platform_remove(pdev);
1238 misc_deregister(&camsys_dev->miscdev);
1240 spin_lock(&camsys_devs.lock);
1241 list_del_init(&camsys_dev->list);
1242 spin_unlock(&camsys_devs.lock);
1247 camsys_err("This platform device havn't obtain camsys_dev!");
1254 static const struct of_device_id cif_of_match[] = {
1255 { .compatible = "rockchip,isp" },
1257 MODULE_DEVICE_TABLE(of, cif_of_match);
1259 static struct platform_driver camsys_platform_driver =
1262 .name = CAMSYS_PLATFORM_DRV_NAME,
1263 .of_match_table = of_match_ptr(cif_of_match),
1265 .probe = camsys_platform_probe,
1266 .remove = (camsys_platform_remove),
1269 MODULE_ALIAS(CAMSYS_PLATFORM_DRV_NAME);
1270 static int __init camsys_platform_init(void)
1272 printk("CamSys driver version: v%d.%d.%d, CamSys head file version: v%d.%d.%d\n",
1273 (CAMSYS_DRIVER_VERSION&0xff0000)>>16, (CAMSYS_DRIVER_VERSION&0xff00)>>8,
1274 CAMSYS_DRIVER_VERSION&0xff,
1275 (CAMSYS_HEAD_VERSION&0xff0000)>>16, (CAMSYS_HEAD_VERSION&0xff00)>>8,
1276 CAMSYS_HEAD_VERSION&0xff);
1278 spin_lock_init(&camsys_devs.lock);
1279 INIT_LIST_HEAD(&camsys_devs.devs);
1281 platform_driver_register(&camsys_platform_driver);
1282 // platform_driver_probe(&camsys_platform_driver, camsys_platform_probe_new);
1287 static void __exit camsys_platform_exit(void)
1289 platform_driver_unregister(&camsys_platform_driver);
1290 camsys_soc_deinit();
1293 module_init(camsys_platform_init);
1294 module_exit(camsys_platform_exit);
1296 MODULE_DESCRIPTION("RockChip Camera System");
1297 MODULE_AUTHOR("<ddl@rock-chips>");
1298 MODULE_LICENSE("GPL");