1 #ifndef __RKCAMSYS_INTERNAL_H__
2 #define __RKCAMSYS_INTERNAL_H__
4 #include <linux/module.h>
5 #include <linux/moduleparam.h>
6 #include <linux/init.h>
7 #include <linux/delay.h>
8 #include <linux/device.h>
9 #include <linux/kernel.h>
10 #include <linux/slab.h>
11 #include <linux/i2c.h>
14 #include <linux/interrupt.h>
15 #include <linux/errno.h>
16 #include <linux/err.h>
17 #include <linux/types.h>
18 #include <linux/proc_fs.h>
19 #include <linux/fcntl.h>
20 #include <linux/clk.h>
21 #include <linux/seq_file.h>
22 #include <linux/cdev.h>
23 #include <linux/miscdevice.h>
24 #include <linux/version.h>
25 #include <linux/device.h>
26 #include <linux/platform_device.h>
27 #include <linux/list.h>
28 #include <linux/mutex.h>
29 #include <linux/regulator/machine.h>
30 #include <linux/log2.h>
31 #include <linux/gpio.h>
32 //#include <mach/io.h>
33 //#include <mach/gpio.h>
34 //#include <mach/iomux.h>
35 //#include <mach/cru.h>
36 #include <linux/rockchip/cpu.h>
37 #include <linux/rockchip/iomap.h>
38 #include <linux/rockchip/grf.h>
40 #include <asm/uaccess.h>
43 #include <linux/of_device.h>
44 #include <linux/pinctrl/consumer.h>
45 #include <linux/of_address.h>
46 #include <linux/of_irq.h>
47 #include <linux/of_gpio.h>
48 #include <linux/rockchip/cpu.h>
49 #include <media/camsys_head.h>
50 #include <linux/rockchip-iovmm.h>
55 * C A M S Y S D R I V E R V E R S I O N
60 * 1) add mipi csi phy;
62 * 1) add support cif phy for marvin;
64 * 1) add clock information in struct camsys_devio_name_s;
66 * 1) set isp clock at 32MHz;
68 * 1) iomux d0 d1 for cif phy raw10 in rk319x after i2c operated;
69 * 2) check mis value in camsys_irq_connect;
70 * 3) add soft rest callback;
72 * 1) check extdev is activate or not before delete from camsys_dev active list;
74 * 1) fix deregister a unregister extdev oops in camsys_extdev_deregister;
75 *v0.9.0: 1) set isp freq to 210M
77 * 1) fix camsys_i2c_write and camsys_i2c_write can't support reg_size=0;
79 1) control ddr freq by marvin self other than by clk unit.
81 * 1) add flash_trigger_out control
83 * 1) add Isp_SoftRst for rk3288;
85 * 1) isp_clk 208.8M for 1lane, isp_clk 416.6M for 2lane;
87 1) mi_mis register may read erro, this may cause mistaken mi frame_end irqs.
89 1) add flash_prelight control.
91 1) raise qos of isp up to the same as lcdc.
95 1) camsys_extdev_register return failed when this dev_id has been registered;
96 2) add support JPG irq connect;
98 1) camsys_extdev_register return -EBUSY when this dev_id has been registered;
100 1) check extdev name when dev_id has been registered;
102 1) enable or disable IOMMU just depending on CONFIG_ROCKCHIP_IOMMU.
104 1) isp iommu status depend on vpu iommu status.
106 1) add flashlight RT8547 driver
107 2) support torch mode
109 1) set CONFIG_CAMSYS_DRV disable as default,enable in defconfig file if needed.
111 #define CAMSYS_DRIVER_VERSION KERNEL_VERSION(0,0x19,0)
114 #define CAMSYS_PLATFORM_DRV_NAME "RockChip-CamSys"
115 #define CAMSYS_PLATFORM_MARVIN_NAME "Platform_MarvinDev"
116 #define CAMSYS_PLATFORM_CIF0_NAME "Platform_Cif0Dev"
117 #define CAMSYS_PLATFORM_CIF1_NAME "Platform_Cif1Dev"
119 #define CAMSYS_REGISTER_RES_NAME "CamSys_RegMem"
120 #define CAMSYS_REGISTER_MIPIPHY_RES_NAME "CamSys_RegMem_MipiPhy"
121 #define CAMSYS_IRQ_RES_NAME "CamSys_Irq"
123 #define CAMSYS_REGISTER_MEM_NAME CAMSYS_REGISTER_RES_NAME
124 #define CAMSYS_I2C_MEM_NAME "CamSys_I2cMem"
125 #define CAMSYS_MIPIPHY_MEM_NAME CAMSYS_REGISTER_MIPIPHY_RES_NAME
127 #define CAMSYS_NAMELEN_MIN(a) ((strlen(a)>(CAMSYS_NAME_LEN-1))?(CAMSYS_NAME_LEN-1):strlen(a))
128 #define CAMSYS_IRQPOOL_NUM 128
130 extern unsigned int camsys_debug;
132 #define camsys_trace(level, msg,...) \
134 if (camsys_debug >= level) \
135 printk("D%d:%s(%d): " msg "\n",level, __FUNCTION__,__LINE__, ## __VA_ARGS__); \
138 #define camsys_warn(msg,...) printk(KERN_ERR "W:%s(%d): " msg "\n", __FUNCTION__,__LINE__, ## __VA_ARGS__)
139 #define camsys_err(msg,...) printk(KERN_ERR "E:%s(%d): " msg "\n", __FUNCTION__,__LINE__, ## __VA_ARGS__)
142 typedef struct camsys_irqstas_s {
144 struct list_head list;
147 typedef struct camsys_irqpool_s {
149 unsigned int timeout; //us
154 spinlock_t lock; // lock for list
155 camsys_irqstas_t pool[CAMSYS_IRQPOOL_NUM];
156 struct list_head active;
157 struct list_head deactive;
159 struct list_head list;
161 wait_queue_head_t done;
164 typedef struct camsys_irq_s {
167 spinlock_t lock; //lock for timeout and irq_connect in ioctl
168 //unsigned int timeout;
170 //wait_queue_head_t irq_done;
172 struct list_head irq_pool;
175 typedef struct camsys_meminfo_s {
176 unsigned char name[32];
177 unsigned int phy_base;
178 unsigned int vir_base;
182 struct list_head list;
186 typedef struct camsys_devmems_s {
187 camsys_meminfo_t *registermem;
188 camsys_meminfo_t *i2cmem;
189 struct list_head memslist;
192 typedef struct camsys_regulator_s {
193 struct regulator *ldo;
196 } camsys_regulator_t;
198 typedef struct camsys_gpio_s {
202 typedef struct camsys_flash_s {
208 typedef struct camsys_extdev_s {
209 unsigned char dev_name[CAMSYS_NAME_LEN];
211 camsys_regulator_t avdd;
212 camsys_regulator_t dovdd;
213 camsys_regulator_t dvdd;
214 camsys_regulator_t afvdd;
219 camsys_gpio_t afpwrdn;
224 camsys_extdev_phy_t phy;
225 camsys_extdev_clk_t clk;
227 unsigned int dev_cfg;
229 struct platform_device *pdev;
231 struct list_head list;
232 struct list_head active;
235 typedef struct camsys_phyinfo_s {
238 camsys_meminfo_t *reg;
240 int (*clkin_cb)(void *ptr, unsigned int on);
241 int (*ops) (void *ptr, camsys_mipiphy_t *phy);
242 int (*remove)(struct platform_device *pdev);
245 typedef struct camsys_exdevs_s {
247 struct list_head list;
248 struct list_head active;
251 typedef struct camsys_dev_s {
255 camsys_devmems_t devmems;
256 struct miscdevice miscdev;
259 camsys_phyinfo_t *mipiphy;
260 camsys_phyinfo_t cifphy;
262 camsys_exdevs_t extdevs;
263 struct list_head list;
264 struct platform_device *pdev;
268 int (*clkin_cb)(void *ptr, unsigned int on);
269 int (*clkout_cb)(void *ptr,unsigned int on,unsigned int clk);
270 int (*reset_cb)(void *ptr, unsigned int on);
271 int (*phy_cb) (camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, void* ptr);
272 int (*iomux)(camsys_extdev_t *extdev,void *ptr);
273 int (*platform_remove)(struct platform_device *pdev);
274 int (*flash_trigger_cb)(void *ptr,int mode , unsigned int on);
275 int (*iommu_cb)(void *ptr,camsys_sysctrl_t *devctl);
279 static inline camsys_extdev_t* camsys_find_extdev(unsigned int dev_id, camsys_dev_t *camsys_dev)
281 camsys_extdev_t *extdev;
283 if (!list_empty(&camsys_dev->extdevs.list)) {
284 list_for_each_entry(extdev, &camsys_dev->extdevs.list, list) {
285 if (extdev->dev_id == dev_id) {
293 static inline camsys_meminfo_t* camsys_find_devmem(char *name, camsys_dev_t *camsys_dev)
295 camsys_meminfo_t *devmem;
297 if (!list_empty(&camsys_dev->devmems.memslist)) {
298 list_for_each_entry(devmem, &camsys_dev->devmems.memslist, list) {
299 if (strcmp(devmem->name, name) == 0) {
304 camsys_err("%s memory have not been find in %s!",name,dev_name(camsys_dev->miscdev.this_device));
309 static inline int camsys_sysctl_extdev(camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
312 camsys_regulator_t *regulator;
315 if ((devctl->ops>CamSys_Vdd_Start_Tag) && (devctl->ops < CamSys_Vdd_End_Tag)) {
316 regulator = &extdev->avdd;
317 regulator += devctl->ops-1;
319 if (!IS_ERR_OR_NULL(regulator->ldo)) {
321 err = regulator_set_voltage(regulator->ldo,regulator->min_uv,regulator->max_uv);
322 err |= regulator_enable(regulator->ldo);
323 camsys_trace(1,"Sysctl %d success, regulator set (%d,%d) uv!",devctl->ops, regulator->min_uv,regulator->max_uv);
325 while(regulator_is_enabled(regulator->ldo)>0)
326 regulator_disable(regulator->ldo);
327 camsys_trace(1,"Sysctl %d success, regulator off!",devctl->ops);
330 //camsys_err("Sysctl %d failed, because regulator ldo is NULL!",devctl->ops);
334 } else if ((devctl->ops>CamSys_Gpio_Start_Tag) && (devctl->ops < CamSys_Gpio_End_Tag)) {
335 gpio = &extdev->pwrdn;
336 gpio += devctl->ops - CamSys_Gpio_Start_Tag -1;
338 if (gpio->io != 0xffffffff) {
340 gpio_direction_output(gpio->io, gpio->active);
341 gpio_set_value(gpio->io, gpio->active);
342 camsys_trace(1,"Sysctl %d success, gpio(%d) set %d",devctl->ops, gpio->io, gpio->active);
344 gpio_direction_output(gpio->io, !gpio->active);
345 gpio_set_value(gpio->io, !gpio->active);
346 camsys_trace(1,"Sysctl %d success, gpio(%d) set %d",devctl->ops, gpio->io, !gpio->active);
349 camsys_err("Sysctl %d failed, because gpio is NULL!",devctl->ops);
353 } else if (devctl->ops == CamSys_ClkIn) {
354 if (camsys_dev->clkout_cb)
355 camsys_dev->clkout_cb(camsys_dev,devctl->on,extdev->clk.in_rate);
356 } else if (devctl->ops == CamSys_Phy) {
357 if (camsys_dev->phy_cb)
358 (camsys_dev->phy_cb)(extdev,devctl,(void*)camsys_dev);
365 extern struct file_operations camsys_fops;