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))&0xff;
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;
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);
100 for (i=0; i<i2cinfo->reg_size; i++) {
101 buf[i] = (i2cinfo->reg_addr>>((i2cinfo->reg_size-1-i)*8))&0xff;
104 msg[0].addr = (i2cinfo->slave_addr>>1);
106 msg[0].scl_rate = i2cinfo->speed;
107 //msg[0].read_type = 0;
109 msg[0].len = i2cinfo->reg_size;
111 msg[1].addr = (i2cinfo->slave_addr>>1);
112 msg[1].flags = I2C_M_RD;
113 msg[1].scl_rate = i2cinfo->speed;
114 // msg[1].read_type = 0;
116 msg[1].len = (unsigned short)i2cinfo->val_size;
119 while ((retry-- > 0) && (err < 0)) { /* ddl@rock-chips.com : Transfer again if transent is failed */
120 err = i2c_transfer(adapter, msg, 2);
125 camsys_err("i2c read dev(addr:0x%x) failed,try again-%d!",i2cinfo->slave_addr,retry);
132 for(i=0; i<i2cinfo->val_size; i++) {
134 i2cinfo->val |= (tmp<<((i2cinfo->val_size-1-i)*8));
143 static int camsys_extdev_register(camsys_devio_name_t *devio, camsys_dev_t *camsys_dev)
146 camsys_extdev_t *extdev;
147 camsys_regulator_info_t *regulator_info;
148 camsys_regulator_t *regulator;
149 camsys_gpio_info_t *gpio_info;
152 if ((devio->dev_id & CAMSYS_DEVID_EXTERNAL) == 0) {
154 camsys_err("dev_id: 0x%x is not support for camsys!",devio->dev_id);
158 extdev = camsys_find_extdev(devio->dev_id, camsys_dev);
159 if (extdev != NULL) {
161 camsys_warn("Extdev(dev_id: 0x%x) has been registered in %s!",
162 devio->dev_id, dev_name(camsys_dev->miscdev.this_device));
166 extdev = kzalloc(sizeof(camsys_extdev_t),GFP_KERNEL);
167 if (extdev == NULL) {
168 camsys_err("alloc camsys_extdev_t failed!");
173 extdev->dev_cfg = devio->dev_cfg;
175 regulator_info = &devio->avdd;
176 regulator = &extdev->avdd;
177 for (i=(CamSys_Vdd_Start_Tag+1); i<CamSys_Vdd_End_Tag; i++) {
178 if (strcmp(regulator_info->name,"NC")) {
179 regulator->ldo = regulator_get(NULL,regulator_info->name);
180 if (IS_ERR_OR_NULL(regulator->ldo)) {
181 camsys_err("Get %s regulator for dev_id 0x%x failed!",regulator_info->name,devio->dev_id);
186 regulator->min_uv = regulator_info->min_uv;
187 regulator->max_uv = regulator_info->max_uv;
188 camsys_trace(1,"Get %s regulator(min: %duv max: %duv) for dev_id 0x%x success",
189 regulator_info->name,regulator->min_uv,regulator->max_uv,
192 regulator->ldo = NULL;
193 regulator->min_uv = 0;
194 regulator->max_uv = 0;
201 gpio_info = &devio->pwrdn;
202 gpio = &extdev->pwrdn;
203 for (i=(CamSys_Gpio_Start_Tag+1); i<CamSys_Gpio_End_Tag; i++) {
204 if (strcmp(gpio_info->name,"NC")) {
205 gpio->io = camsys_gpio_get(gpio_info->name);
207 camsys_err("Get %s gpio for dev_id 0x%x failed!",gpio_info->name,devio->dev_id);
211 if (gpio_request(gpio->io,"camsys_gpio")<0) {
212 camsys_err("Request %s(%d) failed",gpio_info->name,gpio->io);
214 gpio->active = gpio_info->active;
215 camsys_trace(1,"Get %s(%d) gpio(active: %d) for dev_id 0x%x success!",
216 gpio_info->name,gpio->io,gpio->active,devio->dev_id);
218 gpio->io = 0xffffffff;
219 gpio->active = 0xffffffff;
226 extdev->pdev = camsys_dev->pdev;
227 extdev->phy = devio->phy;
228 extdev->clk = devio->clk;
229 extdev->dev_id = devio->dev_id;
230 //spin_lock(&camsys_dev->lock);
231 mutex_lock(&camsys_dev->extdevs.mut);
232 list_add_tail(&extdev->list, &camsys_dev->extdevs.list);
233 //spin_unlock(&camsys_dev->lock);
234 mutex_unlock(&camsys_dev->extdevs.mut);
236 camsys_dev->iomux(extdev, (void*)camsys_dev);
238 camsys_trace(1,"Extdev(dev_id: 0x%x) register success",extdev->dev_id);
251 static int camsys_extdev_deregister(unsigned int dev_id, camsys_dev_t *camsys_dev, bool all)
254 camsys_extdev_t *extdev;
255 camsys_regulator_t *regulator;
259 if ((dev_id & CAMSYS_DEVID_EXTERNAL) == 0) {
261 camsys_err("dev_id: 0x%x is not support for %s!",dev_id, dev_name(camsys_dev->miscdev.this_device));
265 extdev = camsys_find_extdev(dev_id, camsys_dev);
266 if (extdev != NULL) {
268 camsys_warn("Extdev(dev_id: 0x%x) isn't registered in %s!",
269 dev_id, dev_name(camsys_dev->miscdev.this_device));
273 regulator = &extdev->avdd;
274 for (i=(CamSys_Vdd_Start_Tag+1); i<CamSys_Vdd_End_Tag; i++) {
275 if (!IS_ERR_OR_NULL(regulator->ldo)) {
276 while(regulator_is_enabled(regulator->ldo)>0)
277 regulator_disable(regulator->ldo);
278 regulator_put(regulator->ldo);
283 gpio = &extdev->pwrdn;
284 for (i=(CamSys_Gpio_Start_Tag+1); i<CamSys_Gpio_End_Tag; i++) {
285 if (gpio->io!=0xffffffff) {
291 //spin_lock(&camsys_dev->lock);
292 mutex_lock(&camsys_dev->extdevs.mut);
293 list_del_init(&extdev->list);
294 list_del_init(&extdev->active);
295 //spin_unlock(&camsys_dev->lock);
296 mutex_unlock(&camsys_dev->extdevs.mut);
299 camsys_trace(1,"Extdev(dev_id: 0x%x) is deregister success", extdev->dev_id);
301 //spin_lock(&camsys_dev->lock);
302 mutex_lock(&camsys_dev->extdevs.mut);
303 while (!list_empty(&camsys_dev->extdevs.list)) {
305 extdev = list_first_entry(&camsys_dev->extdevs.list, camsys_extdev_t, list);
307 regulator = &extdev->avdd;
308 for (i=(CamSys_Vdd_Start_Tag+1); i<CamSys_Vdd_End_Tag; i++) {
309 if (!IS_ERR(regulator->ldo)) {
310 while(regulator_is_enabled(regulator->ldo)>0)
311 regulator_disable(regulator->ldo);
312 regulator_put(regulator->ldo);
317 gpio = &extdev->pwrdn;
318 for (i=(CamSys_Gpio_Start_Tag+1); i<CamSys_Gpio_End_Tag; i++) {
319 if (gpio->io!=0xffffffff) {
324 camsys_trace(1,"Extdev(dev_id: 0x%x) is deregister success", extdev->dev_id);
325 list_del_init(&extdev->list);
326 list_del_init(&extdev->active);
331 //spin_unlock(&camsys_dev->lock);
332 mutex_unlock(&camsys_dev->extdevs.mut);
333 camsys_trace(1, "All extdev is deregister success!");
342 static int camsys_sysctl(camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
346 camsys_extdev_t *extdev,*extdev2;
348 //spin_lock(&camsys_dev->lock);
349 mutex_lock(&camsys_dev->extdevs.mut);
350 if(devctl->ops == 0xaa){
355 if (camsys_dev->dev_id & devctl->dev_mask) {
360 camsys_dev->clkin_cb(camsys_dev,devctl->on);
366 camsys_dev->reset_cb(camsys_dev, devctl->on);
376 for (i=0; i<8; i++) {
377 if (devctl->dev_mask & (1<<(i+24))) {
378 extdev = camsys_find_extdev((1<<(i+24)), camsys_dev);
380 camsys_sysctl_extdev(extdev, devctl, camsys_dev);
382 if (devctl->ops == CamSys_ClkIn) {
384 list_add_tail(&extdev->active,&camsys_dev->extdevs.active);
386 if (!list_empty(&camsys_dev->extdevs.active)) { /* ddla@rock-chips.com: v0.0.7 */
387 list_for_each_entry(extdev2, &camsys_dev->extdevs.active, active) {
388 if (extdev2 == extdev) {
389 list_del_init(&extdev->active);
398 camsys_err("Can not find dev_id 0x%x device in %s!", (1<<(i+24)), dev_name(camsys_dev->miscdev.this_device));
403 //spin_unlock(&camsys_dev->lock);
404 mutex_unlock(&camsys_dev->extdevs.mut);
407 static int camsys_phy_ops (camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, void *ptr)
409 camsys_dev_t *camsys_dev = (camsys_dev_t*)ptr;
410 camsys_mipiphy_t *mipiphy;
413 if (extdev->phy.type == CamSys_Phy_Mipi) {
414 mipiphy = (camsys_mipiphy_t*)devctl->rev;
415 if (devctl->on == 0) {
416 mipiphy->phy_index = extdev->phy.info.mipi.phy_index;
417 mipiphy->bit_rate = 0;
418 mipiphy->data_en_bit = 0x00;
420 if ((mipiphy->bit_rate == 0) || (mipiphy->data_en_bit == 0)) {
421 *mipiphy = extdev->phy.info.mipi;
423 if (mipiphy->phy_index != extdev->phy.info.mipi.phy_index) {
424 camsys_warn("mipiphy->phy_index(%d) != extdev->phy.info.mipi.phy_index(%d)!",
425 mipiphy->phy_index,extdev->phy.info.mipi.phy_index);
426 mipiphy->phy_index = extdev->phy.info.mipi.phy_index;
430 err = camsys_dev->mipiphy[mipiphy->phy_index].ops(ptr,mipiphy);
432 camsys_err("extdev(0x%x) mipi phy ops config failed!",extdev->dev_id);
438 static int camsys_irq_connect(camsys_irqcnnt_t *irqcnnt, camsys_dev_t *camsys_dev)
441 camsys_irqpool_t *irqpool;
442 unsigned long int flags;
444 if ((irqcnnt->mis != MRV_ISP_MIS) &&
445 (irqcnnt->mis != MRV_MIPI_MIS) &&
446 (irqcnnt->mis != MRV_MI_MIS)) {
448 camsys_err("this thread(pid: %d) irqcnnt->mis(0x%x) is invalidate, irq connect failed!",
449 irqcnnt->pid, irqcnnt->mis);
455 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
456 if (!list_empty(&camsys_dev->irq.irq_pool)) {
457 list_for_each_entry(irqpool, &camsys_dev->irq.irq_pool, list) {
458 if (irqpool->pid == irqcnnt->pid) {
459 camsys_warn("this thread(pid: %d) had been connect irq!",current->pid);
460 spin_unlock(&camsys_dev->irq.lock);
465 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
467 irqpool = kzalloc(sizeof(camsys_irqpool_t),GFP_KERNEL);
469 spin_lock_init(&irqpool->lock);
470 irqpool->pid = irqcnnt->pid;
471 irqpool->timeout = irqcnnt->timeout;
472 irqpool->mis = irqcnnt->mis;
473 irqpool->icr = irqcnnt->icr;
474 INIT_LIST_HEAD(&irqpool->active);
475 INIT_LIST_HEAD(&irqpool->deactive);
476 init_waitqueue_head(&irqpool->done);
477 for (i=0; i<CAMSYS_IRQPOOL_NUM; i++) {
478 list_add_tail(&irqpool->pool[i].list, &irqpool->deactive);
482 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
483 //camsys_dev->irq.timeout = irqcnnt->timeout;
484 list_add_tail(&irqpool->list, &camsys_dev->irq.irq_pool);
485 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
486 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),
487 irqpool->mis,irqpool->icr);
492 static int active_list_isnot_empty(camsys_irqpool_t *irqpool)
495 unsigned long int flags;
497 spin_lock_irqsave(&irqpool->lock,flags);
498 err = list_empty(&irqpool->active);
499 spin_unlock_irqrestore(&irqpool->lock,flags);
504 static int camsys_irq_wait(camsys_irqsta_t *irqsta, camsys_dev_t *camsys_dev)
507 bool find_pool = false;
508 camsys_irqstas_t *irqstas;
509 camsys_irqpool_t *irqpool;
510 unsigned long int flags;
512 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
513 if (!list_empty(&camsys_dev->irq.irq_pool)) {
514 list_for_each_entry(irqpool, &camsys_dev->irq.irq_pool, list) {
515 if (irqpool->pid == current->pid) {
521 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
523 if (find_pool == false) {
524 camsys_err("this thread(pid: %d) hasn't been connect irq, so wait irq failed!",current->pid);
530 spin_lock_irqsave(&irqpool->lock,flags);
531 if (!list_empty(&irqpool->active)) {
532 irqstas = list_first_entry(&irqpool->active, camsys_irqstas_t, list);
533 *irqsta = irqstas->sta;
534 list_del_init(&irqstas->list);
535 list_add_tail(&irqstas->list,&irqpool->deactive);
536 spin_unlock_irqrestore(&irqpool->lock,flags);
538 spin_unlock_irqrestore(&irqpool->lock,flags);
540 wait_event_interruptible_timeout(irqpool->done,
541 active_list_isnot_empty(irqpool),
542 usecs_to_jiffies(irqpool->timeout));
544 if (irqpool->pid == current->pid) {
545 if (active_list_isnot_empty(irqpool)) {
546 spin_lock_irqsave(&irqpool->lock,flags);
547 irqstas = list_first_entry(&irqpool->active, camsys_irqstas_t, list);
548 *irqsta = irqstas->sta;
549 list_del_init(&irqstas->list);
550 list_add_tail(&irqstas->list,&irqpool->deactive);
551 spin_unlock_irqrestore(&irqpool->lock,flags);
556 camsys_warn("Thread(pid: %d) has been disconnect!",current->pid);
562 camsys_trace(3,"Thread(pid: %d) has been wake up for irq(mis: 0x%x ris:0x%x)!",
563 current->pid, irqsta->mis, irqsta->ris);
570 static int camsys_irq_disconnect(camsys_irqcnnt_t *irqcnnt, camsys_dev_t *camsys_dev, bool all)
573 bool find_pool = false;
574 camsys_irqpool_t *irqpool;
575 unsigned long int flags;
578 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
579 if (!list_empty(&camsys_dev->irq.irq_pool)) {
580 list_for_each_entry(irqpool, &camsys_dev->irq.irq_pool, list) {
581 if (irqpool->pid == irqcnnt->pid) {
588 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
590 if (find_pool == false) {
591 camsys_err("this thread(pid: %d) have not been connect irq!, disconnect failed",current->pid);
593 wake_up_all(&irqpool->done);
596 camsys_trace(1, "Thread(pid: %d) disconnect %s irq success!", irqcnnt->pid, dev_name(camsys_dev->miscdev.this_device));
598 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
599 while (!list_empty(&camsys_dev->irq.irq_pool)) {
600 irqpool = list_first_entry(&camsys_dev->irq.irq_pool, camsys_irqpool_t, list);
601 list_del_init(&irqpool->list);
603 wake_up_all(&irqpool->done);
607 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
609 camsys_trace(1, "All thread disconnect %s irq success!", dev_name(camsys_dev->miscdev.this_device));
616 static int camsys_querymem (camsys_dev_t *camsys_dev, camsys_querymem_t *qmem)
620 if (qmem->mem_type == CamSys_Mmap_RegisterMem) {
621 if (camsys_dev->devmems.registermem == NULL) {
622 camsys_err("%s register memory isn't been register!", dev_name(camsys_dev->miscdev.this_device));
627 qmem->mem_size = camsys_dev->devmems.registermem->size;
628 qmem->mem_offset = CamSys_Mmap_RegisterMem*PAGE_SIZE;
629 } else if (qmem->mem_type == CamSys_Mmap_I2cMem) {
630 if (camsys_dev->devmems.i2cmem== NULL) {
631 camsys_err("%s i2c memory isn't been register!", dev_name(camsys_dev->miscdev.this_device));
636 qmem->mem_size = camsys_dev->devmems.i2cmem->size;
637 qmem->mem_offset = CamSys_Mmap_I2cMem*PAGE_SIZE;
639 camsys_err("%d memory type have not in %s memory list",qmem->mem_type,dev_name(camsys_dev->miscdev.this_device));
649 static int camsys_open(struct inode *inode, struct file *file)
652 int minor = iminor(inode);
653 camsys_dev_t *camsys_dev;
654 unsigned int i,phycnt;
656 spin_lock(&camsys_devs.lock);
657 list_for_each_entry(camsys_dev, &camsys_devs.devs, list) {
658 if (camsys_dev->miscdev.minor == minor) {
659 file->private_data = (void*)(camsys_dev);
663 spin_unlock(&camsys_devs.lock);
666 INIT_LIST_HEAD(&camsys_dev->extdevs.active);
668 if (camsys_dev->mipiphy != NULL) {
669 phycnt = camsys_dev->mipiphy[0].phycnt;
671 for (i=0; i<phycnt; i++) {
672 if (camsys_dev->mipiphy[i].clkin_cb != NULL) {
673 camsys_dev->mipiphy[i].clkin_cb(camsys_dev,1);
679 if (file->private_data == NULL) {
680 camsys_err("Cann't find camsys_dev!");
684 camsys_trace(1,"%s(%p) is opened!",dev_name(camsys_dev->miscdev.this_device),camsys_dev);
691 static int camsys_release(struct inode *inode, struct file *file)
693 camsys_dev_t *camsys_dev = (camsys_dev_t*)file->private_data;
694 unsigned int i,phycnt;
696 camsys_irq_disconnect(NULL,camsys_dev, true);
698 if (camsys_dev->mipiphy != NULL) {
699 phycnt = camsys_dev->mipiphy[0].phycnt;
701 for (i=0; i<phycnt; i++) {
702 if (camsys_dev->mipiphy[i].clkin_cb != NULL) {
703 camsys_dev->mipiphy[i].clkin_cb(camsys_dev,0);
708 camsys_trace(1,"%s(%p) is closed",dev_name(camsys_dev->miscdev.this_device),camsys_dev);
714 * The ioctl() implementation
717 static long camsys_ioctl(struct file *filp,unsigned int cmd, unsigned long arg)
720 camsys_dev_t *camsys_dev = (camsys_dev_t*)filp->private_data;
722 if (_IOC_TYPE(cmd) != CAMSYS_IOC_MAGIC) {
723 camsys_err("ioctl type(%c!=%c) is invalidate\n",_IOC_TYPE(cmd),CAMSYS_IOC_MAGIC);
727 if (_IOC_NR(cmd) > CAMSYS_IOC_MAXNR) {
728 camsys_err("ioctl index(%d>%d) is invalidate\n",_IOC_NR(cmd),CAMSYS_IOC_MAXNR);
733 if (_IOC_DIR(cmd) & _IOC_READ)
734 err = !access_ok(VERIFY_WRITE, (void __user *)arg, _IOC_SIZE(cmd));
735 else if (_IOC_DIR(cmd) & _IOC_WRITE)
736 err = !access_ok(VERIFY_READ, (void __user *)arg, _IOC_SIZE(cmd));
739 camsys_err("ioctl(0x%x) operation not permitted for %s",cmd,dev_name(camsys_dev->miscdev.this_device));
748 camsys_version_t camsys_ver;
750 camsys_ver.drv_ver = CAMSYS_DRIVER_VERSION;
751 camsys_ver.head_ver = CAMSYS_HEAD_VERSION;
752 if (copy_to_user((void __user *)arg,(void*)&camsys_ver, sizeof(camsys_version_t)))
759 camsys_i2c_info_t i2cinfo;
761 if (copy_from_user((void*)&i2cinfo,(void __user *)arg, sizeof(camsys_i2c_info_t)))
764 err = camsys_i2c_read(&i2cinfo,camsys_dev);
766 if (copy_to_user((void __user *)arg,(void*)&i2cinfo, sizeof(camsys_i2c_info_t)))
774 camsys_i2c_info_t i2cinfo;
776 if (copy_from_user((void*)&i2cinfo,(void __user *)arg, sizeof(camsys_i2c_info_t)))
779 err = camsys_i2c_write(&i2cinfo,camsys_dev);
785 camsys_sysctrl_t devctl;
787 if (copy_from_user((void*)&devctl,(void __user *)arg, sizeof(camsys_sysctrl_t)))
790 err = camsys_sysctl(&devctl, camsys_dev);
806 case CAMSYS_REGISTER_DEVIO:
808 camsys_devio_name_t devio;
810 if (copy_from_user((void*)&devio,(void __user *)arg, sizeof(camsys_devio_name_t)))
813 err = camsys_extdev_register(&devio,camsys_dev);
817 case CAMSYS_DEREGISTER_DEVIO:
821 if (copy_from_user((void*)&dev_id,(void __user *)arg, sizeof(unsigned int)))
824 err = camsys_extdev_deregister(dev_id, camsys_dev, false);
828 case CAMSYS_IRQCONNECT:
830 camsys_irqcnnt_t irqcnnt;
832 if (copy_from_user((void*)&irqcnnt,(void __user *)arg, sizeof(camsys_irqcnnt_t)))
835 err = camsys_irq_connect(&irqcnnt, camsys_dev);
842 camsys_irqsta_t irqsta;
844 err = camsys_irq_wait(&irqsta, camsys_dev);
846 if (copy_to_user((void __user *)arg,(void*)&irqsta, sizeof(camsys_irqsta_t)))
852 case CAMSYS_IRQDISCONNECT:
854 camsys_irqcnnt_t irqcnnt;
856 if (copy_from_user((void*)&irqcnnt,(void __user *)arg, sizeof(camsys_irqcnnt_t)))
858 err = camsys_irq_disconnect(&irqcnnt,camsys_dev,false);
863 case CAMSYS_QUREYMEM:
865 camsys_querymem_t qmem;
867 if (copy_from_user((void*)&qmem,(void __user *)arg, sizeof(camsys_querymem_t)))
870 err = camsys_querymem(camsys_dev,&qmem);
872 if (copy_to_user((void __user *)arg,(void*)&qmem, sizeof(camsys_querymem_t)))
889 static void camsys_vm_open(struct vm_area_struct *vma)
891 camsys_meminfo_t *meminfo = (camsys_meminfo_t*)vma->vm_private_data;
897 static void camsys_vm_close(struct vm_area_struct *vma)
899 camsys_meminfo_t *meminfo = (camsys_meminfo_t*)vma->vm_private_data;
905 static const struct vm_operations_struct camsys_vm_ops = {
906 .open = camsys_vm_open,
907 .close = camsys_vm_close,
910 int camsys_mmap(struct file *flip, struct vm_area_struct *vma)
912 camsys_dev_t *camsys_dev = (camsys_dev_t*)flip->private_data;
913 unsigned long addr, start, size;
914 camsys_mmap_type_t mem_type;
915 camsys_meminfo_t *meminfo;
918 mem_type = vma->vm_pgoff;
920 if (mem_type == CamSys_Mmap_RegisterMem) {
921 if (camsys_dev->devmems.registermem != NULL) {
922 meminfo = camsys_dev->devmems.registermem;
924 camsys_err("this camsys device has not register mem!");
928 } else if (mem_type == CamSys_Mmap_I2cMem) {
929 if (camsys_dev->devmems.i2cmem != NULL) {
930 meminfo = camsys_dev->devmems.i2cmem;
932 camsys_err("this camsys device has not i2c mem!");
937 camsys_err("mmap buffer type %d is invalidate!",mem_type);
942 size = vma->vm_end - vma->vm_start;
943 if (size > meminfo->size) {
945 camsys_err("mmap size(0x%lx) > memory size(0x%x), so failed!",size,meminfo->size);
949 start = vma->vm_start;
950 addr = __phys_to_pfn(meminfo->phy_base);
952 if (remap_pfn_range(vma, start, addr,size,pgprot_noncached(vma->vm_page_prot))) {
958 vma->vm_ops = &camsys_vm_ops;
959 vma->vm_flags |= VM_IO;
960 vma->vm_flags |=VM_ACCOUNT;//same as VM_RESERVED;
961 vma->vm_private_data = (void*)meminfo;
968 struct file_operations camsys_fops = {
969 .owner = THIS_MODULE,
971 .release = camsys_release,
972 .unlocked_ioctl = camsys_ioctl,
976 static int camsys_platform_probe(struct platform_device *pdev){
978 camsys_dev_t *camsys_dev;
979 struct resource register_res ;
980 struct device *dev = &pdev->dev;
981 unsigned long i2cmem;
982 camsys_meminfo_t *meminfo;
985 err = of_address_to_resource(dev->of_node, 0, ®ister_res);
987 camsys_err("Get register resource from %s platform device failed!",pdev->name);
994 irq_id = irq_of_parse_and_map(dev->of_node, 0);
996 camsys_err("Get irq resource from %s platform device failed!",pdev->name);
1001 camsys_dev = (camsys_dev_t*)devm_kzalloc(&pdev->dev,sizeof(camsys_dev_t), GFP_KERNEL);
1002 if (camsys_dev == NULL) {
1003 camsys_err("Allocate camsys_dev for %s platform device failed",pdev->name);
1008 //spin_lock_init(&camsys_dev->lock);
1009 mutex_init(&camsys_dev->extdevs.mut);
1010 INIT_LIST_HEAD(&camsys_dev->extdevs.list);
1011 INIT_LIST_HEAD(&camsys_dev->extdevs.active);
1012 INIT_LIST_HEAD(&camsys_dev->list);
1016 camsys_dev->irq.irq_id = irq_id;
1017 spin_lock_init(&camsys_dev->irq.lock);
1018 INIT_LIST_HEAD(&camsys_dev->irq.irq_pool);
1019 //init_waitqueue_head(&camsys_dev->irq.irq_done);
1021 INIT_LIST_HEAD(&camsys_dev->devmems.memslist);
1023 // get soc operation
1024 camsys_dev->soc = (void*)camsys_soc_get();
1025 if (camsys_dev->soc == NULL) {
1031 meminfo = kzalloc(sizeof(camsys_meminfo_t),GFP_KERNEL);
1032 if (meminfo == NULL) {
1034 goto request_mem_fail;
1037 meminfo->vir_base = (unsigned int)devm_ioremap_resource(dev, ®ister_res);
1038 if (!meminfo->vir_base){
1039 camsys_err("%s ioremap %s failed",dev_name(&pdev->dev), CAMSYS_REGISTER_MEM_NAME);
1041 goto request_mem_fail;
1044 strlcpy(meminfo->name, CAMSYS_REGISTER_MEM_NAME,sizeof(meminfo->name));
1045 meminfo->phy_base = register_res.start;
1046 meminfo->size = register_res.end - register_res.start + 1;
1047 list_add_tail(&meminfo->list, &camsys_dev->devmems.memslist);
1051 i2cmem = __get_free_page(GFP_KERNEL);
1053 camsys_err("Allocate i2cmem failed!");
1055 goto request_mem_fail;
1057 SetPageReserved(virt_to_page(i2cmem));
1059 meminfo = kzalloc(sizeof(camsys_meminfo_t),GFP_KERNEL);
1060 if (meminfo == NULL) {
1062 goto request_mem_fail;
1064 strlcpy(meminfo->name,CAMSYS_I2C_MEM_NAME,sizeof(meminfo->name));
1065 meminfo->vir_base = i2cmem;
1066 meminfo->phy_base = virt_to_phys((void*)i2cmem);
1067 meminfo->size = PAGE_SIZE;
1068 list_add_tail(&meminfo->list, &camsys_dev->devmems.memslist);
1073 tmpp = (unsigned int*)meminfo->vir_base;
1080 if (camsys_mipiphy_probe_cb(pdev, camsys_dev) <0) {
1081 camsys_err("Mipi phy probe failed!");
1086 if (strcmp(dev_name(&pdev->dev),CAMSYS_PLATFORM_MARVIN_NAME) == 0) {
1087 #if (defined(CONFIG_CAMSYS_MRV))
1088 camsys_mrv_probe_cb(pdev, camsys_dev);
1090 camsys_err("Marvin controller camsys driver haven't been complie!!!");
1093 #if (defined(CONFIG_CAMSYS_CIF))
1094 camsys_cif_probe_cb(pdev,camsys_dev);
1096 camsys_err("CIF controller camsys driver haven't been complie!!!");
1100 #if (defined(CONFIG_CAMSYS_MRV))
1101 camsys_mrv_probe_cb(pdev, camsys_dev);
1102 #elif (defined(CONFIG_CAMSYS_CIF))
1103 camsys_cif_probe_cb(pdev,camsys_dev);
1105 camsys_err("camsys driver haven't been complie!!!");
1108 camsys_trace(1, "%s memory:",dev_name(&pdev->dev));
1109 list_for_each_entry(meminfo, &camsys_dev->devmems.memslist, list) {
1110 if (strcmp(meminfo->name,CAMSYS_I2C_MEM_NAME) == 0) {
1111 camsys_dev->devmems.i2cmem = meminfo;
1112 camsys_trace(1," I2c memory (phy: 0x%x vir: 0x%x size: 0x%x)",
1113 meminfo->phy_base,meminfo->vir_base,meminfo->size);
1115 if (strcmp(meminfo->name,CAMSYS_REGISTER_MEM_NAME) == 0) {
1116 camsys_dev->devmems.registermem = meminfo;
1117 camsys_trace(1," Register memory (phy: 0x%x vir: 0x%x size: 0x%x)",
1118 meminfo->phy_base,meminfo->vir_base,meminfo->size);
1123 camsys_dev->phy_cb = camsys_phy_ops;
1124 camsys_dev->pdev = pdev;
1126 platform_set_drvdata(pdev,(void*)camsys_dev);
1127 //Camsys_devs list add
1128 spin_lock(&camsys_devs.lock);
1129 list_add_tail(&camsys_dev->list, &camsys_devs.devs);
1130 spin_unlock(&camsys_devs.lock);
1133 camsys_trace(1, "Probe %s device success ", dev_name(&pdev->dev));
1136 if (camsys_dev != NULL) {
1138 while(!list_empty(&camsys_dev->devmems.memslist)) {
1139 meminfo = list_first_entry(&camsys_dev->devmems.memslist, camsys_meminfo_t, list);
1141 list_del_init(&meminfo->list);
1142 if (strcmp(meminfo->name,CAMSYS_REGISTER_MEM_NAME)==0) {
1143 iounmap((void __iomem *)meminfo->vir_base);
1144 release_mem_region(meminfo->phy_base,meminfo->size);
1145 } else if (strcmp(meminfo->name,CAMSYS_I2C_MEM_NAME)==0) {
1146 kfree((void*)meminfo->vir_base);
1161 static int camsys_platform_remove(struct platform_device *pdev)
1163 camsys_dev_t *camsys_dev = platform_get_drvdata(pdev);
1164 camsys_meminfo_t *meminfo;
1169 while(!list_empty(&camsys_dev->devmems.memslist)) {
1170 meminfo = list_first_entry(&camsys_dev->devmems.memslist, camsys_meminfo_t, list);
1172 list_del_init(&meminfo->list);
1173 if (strcmp(meminfo->name,CAMSYS_REGISTER_MEM_NAME)==0) {
1174 iounmap((void __iomem *)meminfo->vir_base);
1175 release_mem_region(meminfo->phy_base,meminfo->size);
1176 } else if (strcmp(meminfo->name,CAMSYS_I2C_MEM_NAME)==0) {
1177 kfree((void*)meminfo->vir_base);
1185 if (camsys_dev->irq.irq_id) {
1186 free_irq(camsys_dev->irq.irq_id, camsys_dev);
1187 camsys_irq_disconnect(NULL,camsys_dev,true);
1191 if (!list_empty(&camsys_dev->extdevs.list)) {
1192 camsys_extdev_deregister(0,camsys_dev,true);
1194 if (camsys_dev->mipiphy != NULL) {
1195 camsys_dev->mipiphy->remove(pdev);
1197 if (camsys_dev->cifphy.remove)
1198 camsys_dev->cifphy.remove(pdev);
1199 camsys_dev->platform_remove(pdev);
1201 misc_deregister(&camsys_dev->miscdev);
1203 spin_lock(&camsys_devs.lock);
1204 list_del_init(&camsys_dev->list);
1205 spin_unlock(&camsys_devs.lock);
1210 camsys_err("This platform device havn't obtain camsys_dev!");
1217 static const struct of_device_id cif_of_match[] = {
1218 { .compatible = "rockchip,isp" },
1220 MODULE_DEVICE_TABLE(of, cif_of_match);
1222 static struct platform_driver camsys_platform_driver =
1225 .name = CAMSYS_PLATFORM_DRV_NAME,
1226 .of_match_table = of_match_ptr(cif_of_match),
1228 .probe = camsys_platform_probe,
1229 .remove = (camsys_platform_remove),
1232 MODULE_ALIAS(CAMSYS_PLATFORM_DRV_NAME);
1233 static int __init camsys_platform_init(void)
1235 printk("CamSys driver version: v%d.%d.%d, CamSys head file version: v%d.%d.%d\n",
1236 (CAMSYS_DRIVER_VERSION&0xff0000)>>16, (CAMSYS_DRIVER_VERSION&0xff00)>>8,
1237 CAMSYS_DRIVER_VERSION&0xff,
1238 (CAMSYS_HEAD_VERSION&0xff0000)>>16, (CAMSYS_HEAD_VERSION&0xff00)>>8,
1239 CAMSYS_HEAD_VERSION&0xff);
1241 spin_lock_init(&camsys_devs.lock);
1242 INIT_LIST_HEAD(&camsys_devs.devs);
1244 platform_driver_register(&camsys_platform_driver);
1245 // platform_driver_probe(&camsys_platform_driver, camsys_platform_probe_new);
1250 static void __exit camsys_platform_exit(void)
1252 platform_driver_unregister(&camsys_platform_driver);
1253 camsys_soc_deinit();
1256 module_init(camsys_platform_init);
1257 module_exit(camsys_platform_exit);
1259 MODULE_DESCRIPTION("RockChip Camera System");
1260 MODULE_AUTHOR("<ddl@rock-chips>");
1261 MODULE_LICENSE("GPL");