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;
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);
392 for (i=0; i<8; i++) {
393 if (devctl->dev_mask & (1<<(i+24))) {
394 extdev = camsys_find_extdev((1<<(i+24)), camsys_dev);
396 camsys_sysctl_extdev(extdev, devctl, camsys_dev);
398 if (devctl->ops == CamSys_ClkIn) {
400 list_add_tail(&extdev->active,&camsys_dev->extdevs.active);
402 if (!list_empty(&camsys_dev->extdevs.active)) { /* ddla@rock-chips.com: v0.0.7 */
403 list_for_each_entry(extdev2, &camsys_dev->extdevs.active, active) {
404 if (extdev2 == extdev) {
405 list_del_init(&extdev->active);
414 camsys_err("Can not find dev_id 0x%x device in %s!", (1<<(i+24)), dev_name(camsys_dev->miscdev.this_device));
419 //spin_unlock(&camsys_dev->lock);
420 mutex_unlock(&camsys_dev->extdevs.mut);
423 static int camsys_phy_ops (camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, void *ptr)
425 camsys_dev_t *camsys_dev = (camsys_dev_t*)ptr;
426 camsys_mipiphy_t *mipiphy;
429 if (extdev->phy.type == CamSys_Phy_Mipi) {
430 mipiphy = (camsys_mipiphy_t*)devctl->rev;
431 if (devctl->on == 0) {
432 mipiphy->phy_index = extdev->phy.info.mipi.phy_index;
433 mipiphy->bit_rate = 0;
434 mipiphy->data_en_bit = 0x00;
436 if ((mipiphy->bit_rate == 0) || (mipiphy->data_en_bit == 0)) {
437 *mipiphy = extdev->phy.info.mipi;
439 if (mipiphy->phy_index != extdev->phy.info.mipi.phy_index) {
440 camsys_warn("mipiphy->phy_index(%d) != extdev->phy.info.mipi.phy_index(%d)!",
441 mipiphy->phy_index,extdev->phy.info.mipi.phy_index);
442 mipiphy->phy_index = extdev->phy.info.mipi.phy_index;
446 err = camsys_dev->mipiphy[mipiphy->phy_index].ops(ptr,mipiphy);
448 camsys_err("extdev(0x%x) mipi phy ops config failed!",extdev->dev_id);
454 static int camsys_irq_connect(camsys_irqcnnt_t *irqcnnt, camsys_dev_t *camsys_dev)
457 camsys_irqpool_t *irqpool;
458 unsigned long int flags;
460 if ((irqcnnt->mis != MRV_ISP_MIS) &&
461 (irqcnnt->mis != MRV_MIPI_MIS) &&
462 (irqcnnt->mis != MRV_MI_MIS)) {
464 camsys_err("this thread(pid: %d) irqcnnt->mis(0x%x) is invalidate, irq connect failed!",
465 irqcnnt->pid, irqcnnt->mis);
471 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
472 if (!list_empty(&camsys_dev->irq.irq_pool)) {
473 list_for_each_entry(irqpool, &camsys_dev->irq.irq_pool, list) {
474 if (irqpool->pid == irqcnnt->pid) {
475 camsys_warn("this thread(pid: %d) had been connect irq!",current->pid);
476 spin_unlock(&camsys_dev->irq.lock);
481 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
483 irqpool = kzalloc(sizeof(camsys_irqpool_t),GFP_KERNEL);
485 spin_lock_init(&irqpool->lock);
486 irqpool->pid = irqcnnt->pid;
487 irqpool->timeout = irqcnnt->timeout;
488 irqpool->mis = irqcnnt->mis;
489 irqpool->icr = irqcnnt->icr;
490 INIT_LIST_HEAD(&irqpool->active);
491 INIT_LIST_HEAD(&irqpool->deactive);
492 init_waitqueue_head(&irqpool->done);
493 for (i=0; i<CAMSYS_IRQPOOL_NUM; i++) {
494 list_add_tail(&irqpool->pool[i].list, &irqpool->deactive);
498 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
499 //camsys_dev->irq.timeout = irqcnnt->timeout;
500 list_add_tail(&irqpool->list, &camsys_dev->irq.irq_pool);
501 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
502 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),
503 irqpool->mis,irqpool->icr);
508 static int active_list_isnot_empty(camsys_irqpool_t *irqpool)
511 unsigned long int flags;
513 spin_lock_irqsave(&irqpool->lock,flags);
514 err = list_empty(&irqpool->active);
515 spin_unlock_irqrestore(&irqpool->lock,flags);
520 static int camsys_irq_wait(camsys_irqsta_t *irqsta, camsys_dev_t *camsys_dev)
523 bool find_pool = false;
524 camsys_irqstas_t *irqstas;
525 camsys_irqpool_t *irqpool;
526 unsigned long int flags;
528 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
529 if (!list_empty(&camsys_dev->irq.irq_pool)) {
530 list_for_each_entry(irqpool, &camsys_dev->irq.irq_pool, list) {
531 if (irqpool->pid == current->pid) {
537 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
539 if (find_pool == false) {
540 camsys_err("this thread(pid: %d) hasn't been connect irq, so wait irq failed!",current->pid);
546 spin_lock_irqsave(&irqpool->lock,flags);
547 if (!list_empty(&irqpool->active)) {
548 irqstas = list_first_entry(&irqpool->active, camsys_irqstas_t, list);
549 *irqsta = irqstas->sta;
550 list_del_init(&irqstas->list);
551 list_add_tail(&irqstas->list,&irqpool->deactive);
552 spin_unlock_irqrestore(&irqpool->lock,flags);
554 spin_unlock_irqrestore(&irqpool->lock,flags);
556 wait_event_interruptible_timeout(irqpool->done,
557 active_list_isnot_empty(irqpool),
558 usecs_to_jiffies(irqpool->timeout));
560 if (irqpool->pid == current->pid) {
561 if (active_list_isnot_empty(irqpool)) {
562 spin_lock_irqsave(&irqpool->lock,flags);
563 irqstas = list_first_entry(&irqpool->active, camsys_irqstas_t, list);
564 *irqsta = irqstas->sta;
565 list_del_init(&irqstas->list);
566 list_add_tail(&irqstas->list,&irqpool->deactive);
567 spin_unlock_irqrestore(&irqpool->lock,flags);
572 camsys_warn("Thread(pid: %d) has been disconnect!",current->pid);
578 camsys_trace(3,"Thread(pid: %d) has been wake up for irq(mis: 0x%x ris:0x%x)!",
579 current->pid, irqsta->mis, irqsta->ris);
586 static int camsys_irq_disconnect(camsys_irqcnnt_t *irqcnnt, camsys_dev_t *camsys_dev, bool all)
589 bool find_pool = false;
590 camsys_irqpool_t *irqpool;
591 unsigned long int flags;
594 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
595 if (!list_empty(&camsys_dev->irq.irq_pool)) {
596 list_for_each_entry(irqpool, &camsys_dev->irq.irq_pool, list) {
597 if (irqpool->pid == irqcnnt->pid) {
604 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
606 if (find_pool == false) {
607 camsys_err("this thread(pid: %d) have not been connect irq!, disconnect failed",current->pid);
609 wake_up_all(&irqpool->done);
612 camsys_trace(1, "Thread(pid: %d) disconnect %s irq success!", irqcnnt->pid, dev_name(camsys_dev->miscdev.this_device));
614 spin_lock_irqsave(&camsys_dev->irq.lock,flags);
615 while (!list_empty(&camsys_dev->irq.irq_pool)) {
616 irqpool = list_first_entry(&camsys_dev->irq.irq_pool, camsys_irqpool_t, list);
617 list_del_init(&irqpool->list);
619 wake_up_all(&irqpool->done);
623 spin_unlock_irqrestore(&camsys_dev->irq.lock,flags);
625 camsys_trace(1, "All thread disconnect %s irq success!", dev_name(camsys_dev->miscdev.this_device));
632 static int camsys_querymem (camsys_dev_t *camsys_dev, camsys_querymem_t *qmem)
636 if (qmem->mem_type == CamSys_Mmap_RegisterMem) {
637 if (camsys_dev->devmems.registermem == NULL) {
638 camsys_err("%s register memory isn't been register!", dev_name(camsys_dev->miscdev.this_device));
643 qmem->mem_size = camsys_dev->devmems.registermem->size;
644 qmem->mem_offset = CamSys_Mmap_RegisterMem*PAGE_SIZE;
645 } else if (qmem->mem_type == CamSys_Mmap_I2cMem) {
646 if (camsys_dev->devmems.i2cmem== NULL) {
647 camsys_err("%s i2c memory isn't been register!", dev_name(camsys_dev->miscdev.this_device));
652 qmem->mem_size = camsys_dev->devmems.i2cmem->size;
653 qmem->mem_offset = CamSys_Mmap_I2cMem*PAGE_SIZE;
655 camsys_err("%d memory type have not in %s memory list",qmem->mem_type,dev_name(camsys_dev->miscdev.this_device));
665 static int camsys_open(struct inode *inode, struct file *file)
668 int minor = iminor(inode);
669 camsys_dev_t *camsys_dev;
670 unsigned int i,phycnt;
672 spin_lock(&camsys_devs.lock);
673 list_for_each_entry(camsys_dev, &camsys_devs.devs, list) {
674 if (camsys_dev->miscdev.minor == minor) {
675 file->private_data = (void*)(camsys_dev);
679 spin_unlock(&camsys_devs.lock);
682 INIT_LIST_HEAD(&camsys_dev->extdevs.active);
684 if (camsys_dev->mipiphy != NULL) {
685 phycnt = camsys_dev->mipiphy[0].phycnt;
687 for (i=0; i<phycnt; i++) {
688 if (camsys_dev->mipiphy[i].clkin_cb != NULL) {
689 camsys_dev->mipiphy[i].clkin_cb(camsys_dev,1);
695 if (file->private_data == NULL) {
696 camsys_err("Cann't find camsys_dev!");
700 camsys_trace(1,"%s(%p) is opened!",dev_name(camsys_dev->miscdev.this_device),camsys_dev);
707 static int camsys_release(struct inode *inode, struct file *file)
709 camsys_dev_t *camsys_dev = (camsys_dev_t*)file->private_data;
710 unsigned int i,phycnt;
712 camsys_irq_disconnect(NULL,camsys_dev, true);
714 if (camsys_dev->mipiphy != NULL) {
715 phycnt = camsys_dev->mipiphy[0].phycnt;
717 for (i=0; i<phycnt; i++) {
718 if (camsys_dev->mipiphy[i].clkin_cb != NULL) {
719 camsys_dev->mipiphy[i].clkin_cb(camsys_dev,0);
724 camsys_trace(1,"%s(%p) is closed",dev_name(camsys_dev->miscdev.this_device),camsys_dev);
730 * The ioctl() implementation
733 static long camsys_ioctl(struct file *filp,unsigned int cmd, unsigned long arg)
736 camsys_dev_t *camsys_dev = (camsys_dev_t*)filp->private_data;
738 if (_IOC_TYPE(cmd) != CAMSYS_IOC_MAGIC) {
739 camsys_err("ioctl type(%c!=%c) is invalidate\n",_IOC_TYPE(cmd),CAMSYS_IOC_MAGIC);
743 if (_IOC_NR(cmd) > CAMSYS_IOC_MAXNR) {
744 camsys_err("ioctl index(%d>%d) is invalidate\n",_IOC_NR(cmd),CAMSYS_IOC_MAXNR);
749 if (_IOC_DIR(cmd) & _IOC_READ)
750 err = !access_ok(VERIFY_WRITE, (void __user *)arg, _IOC_SIZE(cmd));
751 else if (_IOC_DIR(cmd) & _IOC_WRITE)
752 err = !access_ok(VERIFY_READ, (void __user *)arg, _IOC_SIZE(cmd));
755 camsys_err("ioctl(0x%x) operation not permitted for %s",cmd,dev_name(camsys_dev->miscdev.this_device));
764 camsys_version_t camsys_ver;
766 camsys_ver.drv_ver = CAMSYS_DRIVER_VERSION;
767 camsys_ver.head_ver = CAMSYS_HEAD_VERSION;
768 if (copy_to_user((void __user *)arg,(void*)&camsys_ver, sizeof(camsys_version_t)))
775 camsys_i2c_info_t i2cinfo;
777 if (copy_from_user((void*)&i2cinfo,(void __user *)arg, sizeof(camsys_i2c_info_t)))
780 err = camsys_i2c_read(&i2cinfo,camsys_dev);
782 if (copy_to_user((void __user *)arg,(void*)&i2cinfo, sizeof(camsys_i2c_info_t)))
790 camsys_i2c_info_t i2cinfo;
792 if (copy_from_user((void*)&i2cinfo,(void __user *)arg, sizeof(camsys_i2c_info_t)))
795 err = camsys_i2c_write(&i2cinfo,camsys_dev);
801 camsys_sysctrl_t devctl;
803 if (copy_from_user((void*)&devctl,(void __user *)arg, sizeof(camsys_sysctrl_t)))
806 err = camsys_sysctl(&devctl, camsys_dev);
822 case CAMSYS_REGISTER_DEVIO:
824 camsys_devio_name_t devio;
826 if (copy_from_user((void*)&devio,(void __user *)arg, sizeof(camsys_devio_name_t)))
829 err = camsys_extdev_register(&devio,camsys_dev);
833 case CAMSYS_DEREGISTER_DEVIO:
837 if (copy_from_user((void*)&dev_id,(void __user *)arg, sizeof(unsigned int)))
840 err = camsys_extdev_deregister(dev_id, camsys_dev, false);
844 case CAMSYS_IRQCONNECT:
846 camsys_irqcnnt_t irqcnnt;
848 if (copy_from_user((void*)&irqcnnt,(void __user *)arg, sizeof(camsys_irqcnnt_t)))
851 err = camsys_irq_connect(&irqcnnt, camsys_dev);
858 camsys_irqsta_t irqsta;
860 err = camsys_irq_wait(&irqsta, camsys_dev);
862 if (copy_to_user((void __user *)arg,(void*)&irqsta, sizeof(camsys_irqsta_t)))
868 case CAMSYS_IRQDISCONNECT:
870 camsys_irqcnnt_t irqcnnt;
872 if (copy_from_user((void*)&irqcnnt,(void __user *)arg, sizeof(camsys_irqcnnt_t)))
874 err = camsys_irq_disconnect(&irqcnnt,camsys_dev,false);
879 case CAMSYS_QUREYMEM:
881 camsys_querymem_t qmem;
883 if (copy_from_user((void*)&qmem,(void __user *)arg, sizeof(camsys_querymem_t)))
886 err = camsys_querymem(camsys_dev,&qmem);
888 if (copy_to_user((void __user *)arg,(void*)&qmem, sizeof(camsys_querymem_t)))
905 static void camsys_vm_open(struct vm_area_struct *vma)
907 camsys_meminfo_t *meminfo = (camsys_meminfo_t*)vma->vm_private_data;
913 static void camsys_vm_close(struct vm_area_struct *vma)
915 camsys_meminfo_t *meminfo = (camsys_meminfo_t*)vma->vm_private_data;
921 static const struct vm_operations_struct camsys_vm_ops = {
922 .open = camsys_vm_open,
923 .close = camsys_vm_close,
926 int camsys_mmap(struct file *flip, struct vm_area_struct *vma)
928 camsys_dev_t *camsys_dev = (camsys_dev_t*)flip->private_data;
929 unsigned long addr, start, size;
930 camsys_mmap_type_t mem_type;
931 camsys_meminfo_t *meminfo;
934 mem_type = vma->vm_pgoff;
936 if (mem_type == CamSys_Mmap_RegisterMem) {
937 if (camsys_dev->devmems.registermem != NULL) {
938 meminfo = camsys_dev->devmems.registermem;
940 camsys_err("this camsys device has not register mem!");
944 } else if (mem_type == CamSys_Mmap_I2cMem) {
945 if (camsys_dev->devmems.i2cmem != NULL) {
946 meminfo = camsys_dev->devmems.i2cmem;
948 camsys_err("this camsys device has not i2c mem!");
953 camsys_err("mmap buffer type %d is invalidate!",mem_type);
958 size = vma->vm_end - vma->vm_start;
959 if (size > meminfo->size) {
961 camsys_err("mmap size(0x%lx) > memory size(0x%x), so failed!",size,meminfo->size);
965 start = vma->vm_start;
966 addr = __phys_to_pfn(meminfo->phy_base);
968 if (remap_pfn_range(vma, start, addr,size,pgprot_noncached(vma->vm_page_prot))) {
974 vma->vm_ops = &camsys_vm_ops;
975 vma->vm_flags |= VM_IO;
976 vma->vm_flags |=VM_ACCOUNT;//same as VM_RESERVED;
977 vma->vm_private_data = (void*)meminfo;
984 struct file_operations camsys_fops = {
985 .owner = THIS_MODULE,
987 .release = camsys_release,
988 .unlocked_ioctl = camsys_ioctl,
992 static int camsys_platform_probe(struct platform_device *pdev){
994 camsys_dev_t *camsys_dev;
995 struct resource register_res ;
996 struct device *dev = &pdev->dev;
997 unsigned long i2cmem;
998 camsys_meminfo_t *meminfo;
1001 err = of_address_to_resource(dev->of_node, 0, ®ister_res);
1003 camsys_err("Get register resource from %s platform device failed!",pdev->name);
1010 irq_id = irq_of_parse_and_map(dev->of_node, 0);
1012 camsys_err("Get irq resource from %s platform device failed!",pdev->name);
1017 camsys_dev = (camsys_dev_t*)devm_kzalloc(&pdev->dev,sizeof(camsys_dev_t), GFP_KERNEL);
1018 if (camsys_dev == NULL) {
1019 camsys_err("Allocate camsys_dev for %s platform device failed",pdev->name);
1024 //spin_lock_init(&camsys_dev->lock);
1025 mutex_init(&camsys_dev->extdevs.mut);
1026 INIT_LIST_HEAD(&camsys_dev->extdevs.list);
1027 INIT_LIST_HEAD(&camsys_dev->extdevs.active);
1028 INIT_LIST_HEAD(&camsys_dev->list);
1032 camsys_dev->irq.irq_id = irq_id;
1033 spin_lock_init(&camsys_dev->irq.lock);
1034 INIT_LIST_HEAD(&camsys_dev->irq.irq_pool);
1035 //init_waitqueue_head(&camsys_dev->irq.irq_done);
1037 INIT_LIST_HEAD(&camsys_dev->devmems.memslist);
1039 // get soc operation
1040 camsys_dev->soc = (void*)camsys_soc_get();
1041 if (camsys_dev->soc == NULL) {
1047 meminfo = kzalloc(sizeof(camsys_meminfo_t),GFP_KERNEL);
1048 if (meminfo == NULL) {
1050 goto request_mem_fail;
1053 meminfo->vir_base = (unsigned int)devm_ioremap_resource(dev, ®ister_res);
1054 if (!meminfo->vir_base){
1055 camsys_err("%s ioremap %s failed",dev_name(&pdev->dev), CAMSYS_REGISTER_MEM_NAME);
1057 goto request_mem_fail;
1060 strlcpy(meminfo->name, CAMSYS_REGISTER_MEM_NAME,sizeof(meminfo->name));
1061 meminfo->phy_base = register_res.start;
1062 meminfo->size = register_res.end - register_res.start + 1;
1063 list_add_tail(&meminfo->list, &camsys_dev->devmems.memslist);
1067 i2cmem = __get_free_page(GFP_KERNEL);
1069 camsys_err("Allocate i2cmem failed!");
1071 goto request_mem_fail;
1073 SetPageReserved(virt_to_page(i2cmem));
1075 meminfo = kzalloc(sizeof(camsys_meminfo_t),GFP_KERNEL);
1076 if (meminfo == NULL) {
1078 goto request_mem_fail;
1080 strlcpy(meminfo->name,CAMSYS_I2C_MEM_NAME,sizeof(meminfo->name));
1081 meminfo->vir_base = i2cmem;
1082 meminfo->phy_base = virt_to_phys((void*)i2cmem);
1083 meminfo->size = PAGE_SIZE;
1084 list_add_tail(&meminfo->list, &camsys_dev->devmems.memslist);
1089 tmpp = (unsigned int*)meminfo->vir_base;
1096 if (camsys_mipiphy_probe_cb(pdev, camsys_dev) <0) {
1097 camsys_err("Mipi phy probe failed!");
1102 if (strcmp(dev_name(&pdev->dev),CAMSYS_PLATFORM_MARVIN_NAME) == 0) {
1103 #if (defined(CONFIG_CAMSYS_MRV))
1104 camsys_mrv_probe_cb(pdev, camsys_dev);
1106 camsys_err("Marvin controller camsys driver haven't been complie!!!");
1109 #if (defined(CONFIG_CAMSYS_CIF))
1110 camsys_cif_probe_cb(pdev,camsys_dev);
1112 camsys_err("CIF controller camsys driver haven't been complie!!!");
1116 #if (defined(CONFIG_CAMSYS_MRV))
1117 camsys_mrv_probe_cb(pdev, camsys_dev);
1118 #elif (defined(CONFIG_CAMSYS_CIF))
1119 camsys_cif_probe_cb(pdev,camsys_dev);
1121 camsys_err("camsys driver haven't been complie!!!");
1124 camsys_trace(1, "%s memory:",dev_name(&pdev->dev));
1125 list_for_each_entry(meminfo, &camsys_dev->devmems.memslist, list) {
1126 if (strcmp(meminfo->name,CAMSYS_I2C_MEM_NAME) == 0) {
1127 camsys_dev->devmems.i2cmem = meminfo;
1128 camsys_trace(1," I2c memory (phy: 0x%x vir: 0x%x size: 0x%x)",
1129 meminfo->phy_base,meminfo->vir_base,meminfo->size);
1131 if (strcmp(meminfo->name,CAMSYS_REGISTER_MEM_NAME) == 0) {
1132 camsys_dev->devmems.registermem = meminfo;
1133 camsys_trace(1," Register memory (phy: 0x%x vir: 0x%x size: 0x%x)",
1134 meminfo->phy_base,meminfo->vir_base,meminfo->size);
1139 camsys_dev->phy_cb = camsys_phy_ops;
1140 camsys_dev->pdev = pdev;
1142 platform_set_drvdata(pdev,(void*)camsys_dev);
1143 //Camsys_devs list add
1144 spin_lock(&camsys_devs.lock);
1145 list_add_tail(&camsys_dev->list, &camsys_devs.devs);
1146 spin_unlock(&camsys_devs.lock);
1149 camsys_trace(1, "Probe %s device success ", dev_name(&pdev->dev));
1152 if (camsys_dev != NULL) {
1154 while(!list_empty(&camsys_dev->devmems.memslist)) {
1155 meminfo = list_first_entry(&camsys_dev->devmems.memslist, camsys_meminfo_t, list);
1157 list_del_init(&meminfo->list);
1158 if (strcmp(meminfo->name,CAMSYS_REGISTER_MEM_NAME)==0) {
1159 iounmap((void __iomem *)meminfo->vir_base);
1160 release_mem_region(meminfo->phy_base,meminfo->size);
1161 } else if (strcmp(meminfo->name,CAMSYS_I2C_MEM_NAME)==0) {
1162 kfree((void*)meminfo->vir_base);
1177 static int camsys_platform_remove(struct platform_device *pdev)
1179 camsys_dev_t *camsys_dev = platform_get_drvdata(pdev);
1180 camsys_meminfo_t *meminfo;
1185 while(!list_empty(&camsys_dev->devmems.memslist)) {
1186 meminfo = list_first_entry(&camsys_dev->devmems.memslist, camsys_meminfo_t, list);
1188 list_del_init(&meminfo->list);
1189 if (strcmp(meminfo->name,CAMSYS_REGISTER_MEM_NAME)==0) {
1190 iounmap((void __iomem *)meminfo->vir_base);
1191 release_mem_region(meminfo->phy_base,meminfo->size);
1192 } else if (strcmp(meminfo->name,CAMSYS_I2C_MEM_NAME)==0) {
1193 kfree((void*)meminfo->vir_base);
1201 if (camsys_dev->irq.irq_id) {
1202 free_irq(camsys_dev->irq.irq_id, camsys_dev);
1203 camsys_irq_disconnect(NULL,camsys_dev,true);
1207 if (!list_empty(&camsys_dev->extdevs.list)) {
1208 camsys_extdev_deregister(0,camsys_dev,true);
1210 if (camsys_dev->mipiphy != NULL) {
1211 camsys_dev->mipiphy->remove(pdev);
1213 if (camsys_dev->cifphy.remove)
1214 camsys_dev->cifphy.remove(pdev);
1215 camsys_dev->platform_remove(pdev);
1217 misc_deregister(&camsys_dev->miscdev);
1219 spin_lock(&camsys_devs.lock);
1220 list_del_init(&camsys_dev->list);
1221 spin_unlock(&camsys_devs.lock);
1226 camsys_err("This platform device havn't obtain camsys_dev!");
1233 static const struct of_device_id cif_of_match[] = {
1234 { .compatible = "rockchip,isp" },
1236 MODULE_DEVICE_TABLE(of, cif_of_match);
1238 static struct platform_driver camsys_platform_driver =
1241 .name = CAMSYS_PLATFORM_DRV_NAME,
1242 .of_match_table = of_match_ptr(cif_of_match),
1244 .probe = camsys_platform_probe,
1245 .remove = (camsys_platform_remove),
1248 MODULE_ALIAS(CAMSYS_PLATFORM_DRV_NAME);
1249 static int __init camsys_platform_init(void)
1251 printk("CamSys driver version: v%d.%d.%d, CamSys head file version: v%d.%d.%d\n",
1252 (CAMSYS_DRIVER_VERSION&0xff0000)>>16, (CAMSYS_DRIVER_VERSION&0xff00)>>8,
1253 CAMSYS_DRIVER_VERSION&0xff,
1254 (CAMSYS_HEAD_VERSION&0xff0000)>>16, (CAMSYS_HEAD_VERSION&0xff00)>>8,
1255 CAMSYS_HEAD_VERSION&0xff);
1257 spin_lock_init(&camsys_devs.lock);
1258 INIT_LIST_HEAD(&camsys_devs.devs);
1260 platform_driver_register(&camsys_platform_driver);
1261 // platform_driver_probe(&camsys_platform_driver, camsys_platform_probe_new);
1266 static void __exit camsys_platform_exit(void)
1268 platform_driver_unregister(&camsys_platform_driver);
1269 camsys_soc_deinit();
1272 module_init(camsys_platform_init);
1273 module_exit(camsys_platform_exit);
1275 MODULE_DESCRIPTION("RockChip Camera System");
1276 MODULE_AUTHOR("<ddl@rock-chips>");
1277 MODULE_LICENSE("GPL");