camsys_drv: v0.0x13.0
[firefly-linux-kernel-4.4.55.git] / drivers / media / video / rk_camsys / camsys_marvin.c
1 #include "camsys_marvin.h"
2 #include "camsys_soc_priv.h"
3 #include "camsys_gpio.h"
4
5 #include <linux/rockchip/common.h> 
6 #include <dt-bindings/clock/rk_system_status.h>
7 #include <linux/rockchip_ion.h>
8 #include <linux/file.h>
9
10 extern int rockchip_set_system_status(unsigned long status);
11 extern int rockchip_clear_system_status(unsigned long status);
12
13 static const char miscdev_name[] = CAMSYS_MARVIN_DEVNAME;
14
15
16 static int camsys_mrv_iomux_cb(camsys_extdev_t *extdev,void *ptr)
17 {
18     struct pinctrl      *pinctrl;
19     struct pinctrl_state    *state;
20     int retval = 0;
21     char state_str[20] = {0};
22     camsys_dev_t *camsys_dev = (camsys_dev_t*)ptr;
23     struct device *dev = &(extdev->pdev->dev);
24     camsys_soc_priv_t *soc;
25
26     // DVP IO Config
27     
28     if (extdev->phy.type == CamSys_Phy_Cif) {
29
30         switch (extdev->phy.info.cif.fmt)
31         {
32             case CamSys_Fmt_Raw_8b:
33             case CamSys_Fmt_Yuv420_8b:
34             case CamSys_Fmt_Yuv422_8b:
35             {
36                 if (extdev->phy.info.cif.cifio == CamSys_SensorBit0_CifBit0) {
37                     strcpy(state_str,"isp_dvp8bit0");
38                 } else if (extdev->phy.info.cif.cifio == CamSys_SensorBit0_CifBit2) {
39                     strcpy(state_str,"isp_dvp8bit2");
40                 } else {
41                     camsys_err("extdev->phy.info.cif.cifio: 0x%x is invalidate!", extdev->phy.info.cif.cifio);
42                     goto fail;
43                 }
44
45                 break;
46             }
47
48             case CamSys_Fmt_Raw_10b:
49             {
50                 strcpy(state_str,"isp_dvp10bit");
51                 break;
52             }
53
54             case CamSys_Fmt_Raw_12b:
55             {
56                 strcpy(state_str,"isp_dvp12bit");
57                 break;
58             }
59
60             default:
61             {
62                 camsys_err("extdev->phy.info.cif.fmt: 0x%x is invalidate!",extdev->phy.info.cif.fmt);
63                 goto fail;
64             }
65         }        
66     } else {
67         if (extdev->dev_cfg & CAMSYS_DEVCFG_FLASHLIGHT) {
68             if (extdev->dev_cfg & CAMSYS_DEVCFG_PREFLASHLIGHT) {
69                 strcpy(state_str,"isp_mipi_fl_prefl");
70             } else {
71                 strcpy(state_str,"isp_mipi_fl");
72             }
73             {
74                 //mux triggerout as gpio
75             //get gpio index
76                 int flash_trigger_io ;
77                 enum of_gpio_flags flags;
78                 flash_trigger_io = of_get_named_gpio_flags(camsys_dev->pdev->dev.of_node, "rockchip,gpios", 0, &flags);
79                 if(gpio_is_valid(flash_trigger_io)){
80                     flash_trigger_io = of_get_named_gpio_flags(camsys_dev->pdev->dev.of_node, "rockchip,gpios", 0, &flags);
81                     gpio_request(flash_trigger_io,"camsys_gpio");
82                     gpio_direction_output(flash_trigger_io, (~(extdev->fl.fl.active) & 0x1));
83                 }
84             }                   
85         } else {
86             strcpy(state_str,"default");
87         }
88     }
89
90     camsys_trace(1,"marvin pinctrl select: %s", state_str);
91     
92     pinctrl = devm_pinctrl_get(dev);
93     if (IS_ERR(pinctrl)) {
94         camsys_err("devm_pinctrl_get failed!");
95         goto fail;
96     }
97     state = pinctrl_lookup_state(pinctrl,
98                          state_str);
99     if (IS_ERR(state)){
100         camsys_err("pinctrl_lookup_state failed!");
101         goto fail;
102     }
103
104     if (!IS_ERR(state)) {
105         retval = pinctrl_select_state(pinctrl, state);
106         if (retval){
107             camsys_err("pinctrl_select_state failed!");
108             goto fail;
109         }
110     }
111
112     if (camsys_dev->soc) {
113         soc = (camsys_soc_priv_t*)camsys_dev->soc;
114         if (soc->soc_cfg) {
115             (soc->soc_cfg)(Cif_IoDomain_Cfg,(void*)&extdev->dovdd.min_uv);
116             (soc->soc_cfg)(Clk_DriverStrength_Cfg,(void*)&extdev->clk.driver_strength);
117         } else {
118             camsys_err("camsys_dev->soc->soc_cfg is NULL!");
119         }
120     } else {
121         camsys_err("camsys_dev->soc is NULL!");
122     }
123     
124     return 0;
125 fail:
126     return -1;
127 }
128
129 static int camsys_mrv_flash_trigger_cb(void *ptr,unsigned int on)
130 {
131     camsys_dev_t *camsys_dev = (camsys_dev_t*)ptr;
132     struct device *dev = &(camsys_dev->pdev->dev);
133     int flash_trigger_io ;
134     struct pinctrl      *pinctrl;
135     struct pinctrl_state    *state;
136     char state_str[20] = {0};
137     int retval = 0;
138     enum of_gpio_flags flags;
139     camsys_extdev_t *extdev = NULL;
140         
141     if(!on){
142         strcpy(state_str,"isp_flash_as_gpio");
143         pinctrl = devm_pinctrl_get(dev);
144         if (IS_ERR(pinctrl)) {
145             camsys_err("devm_pinctrl_get failed!");
146         }
147         state = pinctrl_lookup_state(pinctrl,
148                              state_str);
149         if (IS_ERR(state)){
150             camsys_err("pinctrl_lookup_state failed!");
151         }
152
153         if (!IS_ERR(state)) {
154             retval = pinctrl_select_state(pinctrl, state);
155             if (retval){
156                 camsys_err("pinctrl_select_state failed!");
157             }
158
159         }
160
161         //get gpio index
162         flash_trigger_io = of_get_named_gpio_flags(camsys_dev->pdev->dev.of_node, "rockchip,gpios", 0, &flags);
163         if(gpio_is_valid(flash_trigger_io)){
164             flash_trigger_io = of_get_named_gpio_flags(camsys_dev->pdev->dev.of_node, "rockchip,gpios", 0, &flags);
165             gpio_request(flash_trigger_io,"camsys_gpio");
166             //get flash io active pol
167             if (!list_empty(&camsys_dev->extdevs.list)) {
168                 list_for_each_entry(extdev, &camsys_dev->extdevs.list, list) {
169                     if (extdev->dev_cfg & CAMSYS_DEVCFG_FLASHLIGHT) {
170                         gpio_direction_output(flash_trigger_io, (~(extdev->fl.fl.active) & 0x1));
171                     }
172                 }
173             }    
174         }
175     }else{
176         strcpy(state_str,"isp_flash_as_trigger_out");
177         pinctrl = devm_pinctrl_get(dev);
178         if (IS_ERR(pinctrl)) {
179             camsys_err("devm_pinctrl_get failed!");
180         }
181         state = pinctrl_lookup_state(pinctrl,
182                              state_str);
183         if (IS_ERR(state)){
184             camsys_err("pinctrl_lookup_state failed!");
185         }
186
187         if (!IS_ERR(state)) {
188             retval = pinctrl_select_state(pinctrl, state);
189             if (retval){
190                 camsys_err("pinctrl_select_state failed!");
191             }
192
193         }
194     }
195     return retval;
196 }
197 static struct device *rockchip_get_sysmmu_device_by_compatible(const char *compt)
198 {
199         struct device_node *dn = NULL;
200         struct platform_device *pd = NULL;
201         struct device *ret = NULL ;
202
203         dn = of_find_compatible_node(NULL,NULL,compt);
204         if(!dn)
205         {
206                 printk("can't find device node %s \r\n",compt);
207                 return NULL;
208         }
209         
210         pd = of_find_device_by_node(dn);
211         if(!pd)
212         {       
213                 printk("can't find platform device in device node %s \r\n",compt);
214                 return  NULL;
215         }
216         ret = &pd->dev;
217         
218         return ret;
219
220 }
221 #ifdef CONFIG_IOMMU_API
222 static inline void platform_set_sysmmu(struct device *iommu, struct device *dev)
223 {
224         dev->archdata.iommu = iommu;
225 }
226 #else
227 static inline void platform_set_sysmmu(struct device *iommu, struct device *dev)
228 {
229 }
230 #endif
231
232
233 static int camsys_mrv_iommu_cb(void *ptr,camsys_sysctrl_t *devctl)
234 {
235     struct device *iommu_dev = NULL,*dev = NULL;
236     struct file *file = NULL;
237     struct ion_client *client = NULL;
238     struct ion_handle *handle = NULL;
239     camsys_iommu_t *iommu = NULL;
240     int ret = 0,iommu_enabled = 0;
241     camsys_dev_t * camsys_dev = (camsys_dev_t *)ptr;
242
243     of_property_read_u32(camsys_dev->pdev->dev.of_node, "rockchip,isp,iommu_enable", &iommu_enabled);
244     if(iommu_enabled != 1){
245         camsys_err("isp iommu have not been enabled!\n");
246         ret = -1;
247         goto iommu_end;
248     }
249     
250     iommu_dev = rockchip_get_sysmmu_device_by_compatible(ISP_IOMMU_COMPATIBLE_NAME);
251     if(!iommu_dev){
252         camsys_err("get iommu device erro!\n");
253         ret = -1;
254         goto iommu_end;
255     }
256     dev = &(camsys_dev->pdev->dev);
257     iommu = (camsys_iommu_t *)(devctl->rev);
258     file = fget(iommu->client_fd);
259     if(!file){
260         camsys_err("get client_fd file erro!\n");
261         ret = -1;
262         goto iommu_end;
263     }
264     
265     client = file->private_data;
266     
267     if(!client){
268         camsys_err("get ion_client erro!\n");
269         ret = -1;
270         goto iommu_end;
271     }
272     
273     fput(file);
274
275     handle = ion_import_dma_buf(client,iommu->map_fd);
276
277     camsys_trace(1,"map fd %d ,client fd %d\n",iommu->map_fd,iommu->client_fd);
278     if(!handle){
279         camsys_err("get ion_handle erro!\n");
280         ret = -1;
281         goto iommu_end;
282     }
283     if(devctl->on){
284         platform_set_sysmmu(iommu_dev,dev);
285         ret = rockchip_iovmm_activate(dev);
286         
287         ret = ion_map_iommu(dev,client,handle,&(iommu->linear_addr),&(iommu->len));
288         
289     }else{
290         ion_unmap_iommu(dev,client,handle);
291         platform_set_sysmmu(iommu_dev,dev);
292         rockchip_iovmm_deactivate(dev);
293     }
294 iommu_end:
295     return ret;
296 }
297 static int camsys_mrv_reset_cb(void *ptr,unsigned int on)
298 {
299     camsys_dev_t *camsys_dev = (camsys_dev_t*)ptr;
300     camsys_soc_priv_t *soc;
301
302
303     if (camsys_dev->soc) {
304         soc = (camsys_soc_priv_t*)camsys_dev->soc;
305         if (soc->soc_cfg) {
306             (soc->soc_cfg)(Isp_SoftRst,(void*)on);
307         } else {
308             camsys_err("camsys_dev->soc->soc_cfg is NULL!");
309         }
310     } else {
311         camsys_err("camsys_dev->soc is NULL!");
312     }
313     
314     return 0;
315 }
316
317 static int camsys_mrv_clkin_cb(void *ptr, unsigned int on)
318 {
319     camsys_dev_t *camsys_dev = (camsys_dev_t*)ptr;
320     camsys_mrv_clk_t *clk = (camsys_mrv_clk_t*)camsys_dev->clk;
321     unsigned long isp_clk;
322         
323     if (on && !clk->in_on) {
324                 rockchip_set_system_status(SYS_STATUS_ISP);
325
326                 if (on == 1) {
327                     isp_clk = 210000000;           
328                 } else {
329                     isp_clk = 420000000;            
330                 }
331
332                 clk_set_rate(clk->isp,isp_clk);
333         clk_set_rate(clk->isp_jpe, isp_clk);
334
335         clk_prepare_enable(clk->aclk_isp);
336         clk_prepare_enable(clk->hclk_isp);
337         clk_prepare_enable(clk->isp);
338         clk_prepare_enable(clk->isp_jpe);
339         clk_prepare_enable(clk->clk_mipi_24m); 
340         clk_prepare_enable(clk->pclkin_isp); 
341                 clk_prepare_enable(clk->pd_isp);
342
343         clk->in_on = true;
344
345         camsys_trace(1, "%s clock(f: %ld Hz) in turn on",dev_name(camsys_dev->miscdev.this_device),isp_clk);
346         camsys_mrv_reset_cb(ptr,1);
347         udelay(100);
348         camsys_mrv_reset_cb(ptr,0);
349         
350     } else if (!on && clk->in_on) {
351
352         clk_disable_unprepare(clk->aclk_isp);
353         clk_disable_unprepare(clk->hclk_isp);
354         clk_disable_unprepare(clk->isp);
355         clk_disable_unprepare(clk->isp_jpe);
356         clk_disable_unprepare(clk->clk_mipi_24m); 
357         clk_disable_unprepare(clk->pclkin_isp); 
358                 clk_disable_unprepare(clk->pd_isp);
359
360                 rockchip_clear_system_status(SYS_STATUS_ISP);
361         clk->in_on = false;
362         camsys_trace(1, "%s clock in turn off",dev_name(camsys_dev->miscdev.this_device));
363     }
364     
365     return 0;
366 }
367 static int camsys_mrv_clkout_cb(void *ptr, unsigned int on,unsigned int inclk)
368 {
369     camsys_dev_t *camsys_dev = (camsys_dev_t*)ptr;
370     camsys_mrv_clk_t *clk = (camsys_mrv_clk_t*)camsys_dev->clk;
371     
372     mutex_lock(&clk->lock);
373     if (on && (clk->out_on != on)) {  
374
375         clk_set_rate(clk->cif_clk_out,inclk);
376         clk_prepare_enable(clk->cif_clk_out);
377         
378                 clk->out_on = on;
379         camsys_trace(1, "%s clock out(rate: %dHz) turn on",dev_name(camsys_dev->miscdev.this_device),
380                     inclk);
381     } else if (!on && clk->out_on) {
382         if(!IS_ERR_OR_NULL(clk->cif_clk_pll)) {
383             clk_set_parent(clk->cif_clk_out, clk->cif_clk_pll);
384         } else {
385             camsys_warn("%s clock out may be not off!", dev_name(camsys_dev->miscdev.this_device));
386         }
387
388         clk_disable_unprepare( clk->cif_clk_out);
389
390         clk->out_on = 0;
391
392         camsys_trace(1, "%s clock out turn off",dev_name(camsys_dev->miscdev.this_device));
393     }
394     mutex_unlock(&clk->lock);    
395
396     return 0;
397 }
398 static irqreturn_t camsys_mrv_irq(int irq, void *data)
399 {
400     camsys_dev_t *camsys_dev = (camsys_dev_t*)data;
401     camsys_irqstas_t *irqsta;
402     camsys_irqpool_t *irqpool;
403     unsigned int isp_mis,mipi_mis,mi_mis,*mis,jpg_mis,jpg_err_mis;
404         
405         unsigned int mi_ris,mi_imis;
406
407     isp_mis = __raw_readl((void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_ISP_MIS));
408     mipi_mis = __raw_readl((void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_MIPI_MIS));
409     jpg_mis = __raw_readl((void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_JPG_MIS));
410     jpg_err_mis = __raw_readl((void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_JPG_ERR_MIS));
411         mi_mis = __raw_readl((void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_MI_MIS));
412 #if 1   
413         mi_ris =  __raw_readl((void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_MI_RIS));
414         mi_imis = __raw_readl((void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_MI_IMIS));
415         while((mi_ris & mi_imis) != mi_mis){
416                 camsys_trace(2,"mi_mis status erro,mi_mis 0x%x,mi_ris 0x%x,imis 0x%x\n",mi_mis,mi_ris,mi_imis);
417                 mi_mis = __raw_readl((void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_MI_MIS));
418                 mi_ris =  __raw_readl((void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_MI_RIS));
419         mi_imis = __raw_readl((void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_MI_IMIS));
420         }
421
422 #endif
423
424     __raw_writel(isp_mis, (void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_ISP_ICR)); 
425     __raw_writel(mipi_mis, (void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_MIPI_ICR)); 
426     __raw_writel(jpg_mis, (void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_JPG_ICR));
427     __raw_writel(jpg_err_mis, (void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_JPG_ERR_ICR));
428         __raw_writel(mi_mis, (void volatile *)(camsys_dev->devmems.registermem->vir_base + MRV_MI_ICR)); 
429
430     spin_lock(&camsys_dev->irq.lock);
431     if (!list_empty(&camsys_dev->irq.irq_pool)) {
432         list_for_each_entry(irqpool, &camsys_dev->irq.irq_pool, list) {
433             if (irqpool->pid != 0) {
434                 switch(irqpool->mis)
435                 {
436                     case MRV_ISP_MIS:
437                     {
438                         mis = &isp_mis;
439                         break;
440                     }
441
442                     case MRV_MIPI_MIS:
443                     {
444                         mis = &mipi_mis;
445                         break;
446                     }
447                     case MRV_MI_MIS:
448                     {
449                         mis = &mi_mis;
450                         break;
451                     }
452
453                     case MRV_JPG_MIS:
454                     {
455                         mis = &jpg_mis;
456                         break;
457                     }
458
459                     case MRV_JPG_ERR_MIS:
460                     {
461                         mis = &jpg_err_mis;
462                         break;
463                     }
464
465                     default:     
466                     {
467                         camsys_trace(2,"Thread(pid:%d) irqpool mis(%d) is invalidate",irqpool->pid,irqpool->mis);
468                         goto end;
469                     }
470                 }
471
472                 if (*mis != 0) {
473                     spin_lock(&irqpool->lock);
474                     if (!list_empty(&irqpool->deactive)) {
475                         irqsta = list_first_entry(&irqpool->deactive, camsys_irqstas_t, list);
476                         irqsta->sta.mis = *mis;                                                 
477                         list_del_init(&irqsta->list);            
478                         list_add_tail(&irqsta->list,&irqpool->active);                        
479                         wake_up(&irqpool->done);
480                     }
481                     spin_unlock(&irqpool->lock);
482                 }
483             }
484         }
485     }
486 end:    
487     spin_unlock(&camsys_dev->irq.lock);
488
489     return IRQ_HANDLED;
490 }
491 static int camsys_mrv_remove_cb(struct platform_device *pdev)
492 {
493     camsys_dev_t *camsys_dev = platform_get_drvdata(pdev);
494     camsys_mrv_clk_t *mrv_clk=NULL;
495
496     if (camsys_dev->clk != NULL) {
497
498         mrv_clk = (camsys_mrv_clk_t*)camsys_dev->clk;
499         if (mrv_clk->out_on)
500             camsys_mrv_clkout_cb(mrv_clk,0,0);
501         if (mrv_clk->in_on)
502             camsys_mrv_clkin_cb(mrv_clk,0);
503     
504         if (!IS_ERR_OR_NULL(mrv_clk->pd_isp)) {
505                         devm_clk_put(&pdev->dev,mrv_clk->pd_isp);
506         }
507         if (!IS_ERR_OR_NULL(mrv_clk->aclk_isp)) {
508             devm_clk_put(&pdev->dev,mrv_clk->aclk_isp);
509         }
510         if (!IS_ERR_OR_NULL(mrv_clk->hclk_isp)) {
511             devm_clk_put(&pdev->dev,mrv_clk->hclk_isp);
512         }
513         if (!IS_ERR_OR_NULL(mrv_clk->isp)) {
514             devm_clk_put(&pdev->dev,mrv_clk->isp);
515         }
516         if (!IS_ERR_OR_NULL(mrv_clk->isp_jpe)) {
517             devm_clk_put(&pdev->dev,mrv_clk->isp_jpe);
518         }
519         if (!IS_ERR_OR_NULL(mrv_clk->pclkin_isp)) {
520             devm_clk_put(&pdev->dev,mrv_clk->pclkin_isp);
521         }
522         if (!IS_ERR_OR_NULL(mrv_clk->cif_clk_out)) {
523             devm_clk_put(&pdev->dev,mrv_clk->cif_clk_out);
524         }
525
526         kfree(mrv_clk);
527         mrv_clk = NULL;
528     }
529
530     return 0;
531 }
532 int camsys_mrv_probe_cb(struct platform_device *pdev, camsys_dev_t *camsys_dev)
533 {
534     int err = 0;   
535     camsys_mrv_clk_t *mrv_clk=NULL;
536     
537         err = request_irq(camsys_dev->irq.irq_id, camsys_mrv_irq, IRQF_SHARED, CAMSYS_MARVIN_IRQNAME,camsys_dev);
538     if (err) {
539         camsys_err("request irq for %s failed",CAMSYS_MARVIN_IRQNAME);
540         goto end;
541     }
542
543     //Clk and Iomux init
544     mrv_clk = kzalloc(sizeof(camsys_mrv_clk_t),GFP_KERNEL);
545     if (mrv_clk == NULL) {
546         camsys_err("Allocate camsys_mrv_clk_t failed!");
547         err = -EINVAL;
548         goto clk_failed;
549     }
550      
551     mrv_clk->pd_isp = devm_clk_get(&pdev->dev, "pd_isp");
552     mrv_clk->aclk_isp = devm_clk_get(&pdev->dev, "aclk_isp");
553     mrv_clk->hclk_isp = devm_clk_get(&pdev->dev, "hclk_isp");
554     mrv_clk->isp = devm_clk_get(&pdev->dev, "clk_isp");
555     mrv_clk->isp_jpe = devm_clk_get(&pdev->dev, "clk_isp_jpe");
556     mrv_clk->pclkin_isp = devm_clk_get(&pdev->dev, "pclkin_isp");
557     mrv_clk->cif_clk_out = devm_clk_get(&pdev->dev, "clk_cif_out");
558     mrv_clk->cif_clk_pll = devm_clk_get(&pdev->dev, "clk_cif_pll");
559     mrv_clk->clk_mipi_24m = devm_clk_get(&pdev->dev,"clk_mipi_24m"); 
560     
561         if (IS_ERR_OR_NULL(mrv_clk->pd_isp) || IS_ERR_OR_NULL(mrv_clk->aclk_isp) || IS_ERR_OR_NULL(mrv_clk->hclk_isp) ||
562         IS_ERR_OR_NULL(mrv_clk->isp) || IS_ERR_OR_NULL(mrv_clk->isp_jpe) || IS_ERR_OR_NULL(mrv_clk->pclkin_isp) || 
563         IS_ERR_OR_NULL(mrv_clk->cif_clk_out) || IS_ERR_OR_NULL(mrv_clk->clk_mipi_24m)) {
564         camsys_err("Get %s clock resouce failed!\n",miscdev_name);
565         err = -EINVAL;
566         goto clk_failed;
567     }
568     
569     clk_set_rate(mrv_clk->isp,210000000);
570     clk_set_rate(mrv_clk->isp_jpe, 210000000);
571     
572     mutex_init(&mrv_clk->lock);
573     
574     mrv_clk->in_on = false;
575     mrv_clk->out_on = 0;
576         
577     camsys_dev->clk = (void*)mrv_clk;
578     camsys_dev->clkin_cb = camsys_mrv_clkin_cb;
579     camsys_dev->clkout_cb = camsys_mrv_clkout_cb;
580     camsys_dev->reset_cb = camsys_mrv_reset_cb;
581     camsys_dev->iomux = camsys_mrv_iomux_cb;
582     camsys_dev->flash_trigger_cb = camsys_mrv_flash_trigger_cb;
583     camsys_dev->iommu_cb = camsys_mrv_iommu_cb;
584     
585     camsys_dev->miscdev.minor = MISC_DYNAMIC_MINOR;
586     camsys_dev->miscdev.name = miscdev_name;
587     camsys_dev->miscdev.nodename = miscdev_name;
588     camsys_dev->miscdev.fops = &camsys_fops;
589
590     err = misc_register(&camsys_dev->miscdev);
591     if (err < 0) {
592         camsys_err("misc register %s failed!",miscdev_name);
593         goto misc_register_failed;
594     }   
595
596     //Variable init
597     camsys_dev->dev_id = CAMSYS_DEVID_MARVIN;
598     camsys_dev->platform_remove = camsys_mrv_remove_cb;
599    
600          
601     return 0;
602 misc_register_failed:
603     if (!IS_ERR_OR_NULL(camsys_dev->miscdev.this_device)) {
604         misc_deregister(&camsys_dev->miscdev);
605     }
606
607 clk_failed:
608     if (mrv_clk != NULL) {
609         if (!IS_ERR_OR_NULL(mrv_clk->pd_isp)) {
610             clk_put(mrv_clk->pd_isp);
611         }
612         if (!IS_ERR_OR_NULL(mrv_clk->aclk_isp)) {
613             clk_put(mrv_clk->aclk_isp);
614         }
615         if (!IS_ERR_OR_NULL(mrv_clk->hclk_isp)) {
616             clk_put(mrv_clk->hclk_isp);
617         }
618         if (!IS_ERR_OR_NULL(mrv_clk->isp)) {
619             clk_put(mrv_clk->isp);
620         }
621         if (!IS_ERR_OR_NULL(mrv_clk->isp_jpe)) {
622             clk_put(mrv_clk->isp_jpe);
623         }
624         if (!IS_ERR_OR_NULL(mrv_clk->pclkin_isp)) {
625             clk_put(mrv_clk->pclkin_isp);
626         }
627         if (!IS_ERR_OR_NULL(mrv_clk->cif_clk_out)) {
628             clk_put(mrv_clk->cif_clk_out);
629         }
630
631         kfree(mrv_clk);
632         mrv_clk = NULL;
633     }
634     
635 end:
636     return err;
637 }
638 EXPORT_SYMBOL_GPL(camsys_mrv_probe_cb);
639