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>
39 //#include <asm/gpio.h>
40 //#include <asm/system.h>
41 #include <asm/uaccess.h>
44 #include <linux/of_device.h>
45 #include <linux/pinctrl/consumer.h>
46 #include <linux/of_address.h>
47 #include <linux/of_irq.h>
48 #include <linux/of_gpio.h>
49 #include <linux/rockchip/cpu.h>
50 #include <media/camsys_head.h>
51 #include <linux/rockchip-iovmm.h>
56 * C A M S Y S D R I V E R V E R S I O N
61 * 1) add mipi csi phy;
63 * 1) add support cif phy for marvin;
65 * 1) add clock information in struct camsys_devio_name_s;
67 * 1) set isp clock at 32MHz;
69 * 1) iomux d0 d1 for cif phy raw10 in rk319x after i2c operated;
70 * 2) check mis value in camsys_irq_connect;
71 * 3) add soft rest callback;
73 * 1) check extdev is activate or not before delete from camsys_dev active list;
75 * 1) fix deregister a unregister extdev oops in camsys_extdev_deregister;
76 *v0.9.0: 1) set isp freq to 210M
78 * 1) fix camsys_i2c_write and camsys_i2c_write can't support reg_size=0;
80 1) control ddr freq by marvin self other than by clk unit.
82 * 1) add flash_trigger_out control
84 * 1) add Isp_SoftRst for rk3288;
86 * 1) isp_clk 208.8M for 1lane, isp_clk 416.6M for 2lane;
88 1) mi_mis register may read erro, this may cause mistaken mi frame_end irqs.
90 1) add flash_prelight control.
92 1) raise qos of isp up to the same as lcdc.
96 1) camsys_extdev_register return failed when this dev_id has been registered;
97 2) add support JPG irq connect;
99 1) camsys_extdev_register return -EBUSY when this dev_id has been registered;
101 1) check extdev name when dev_id has been registered;
103 1) enable or disable IOMMU just depending on CONFIG_ROCKCHIP_IOMMU.
105 1) isp iommu status depend on vpu iommu status.
107 1) add flashlight RT8547 driver
108 2) support torch mode
110 1) set CONFIG_CAMSYS_DRV disable as default,enable in defconfig file if needed.
112 1) vpu_node changed from "vpu_service" to "rockchip,vpu_sub"
114 1) use of_find_node_by_name to get vpu node instead of of_find_compatible_node
118 1) enable aclk_rga for rk3368, otherwise, isp reset will cause system halted.
120 1) dts remove aclk_rga, change aclk_isp from <clk_gates17 0> to <&clk_gates16 0>.
121 2) add rl3369 pd_isp enable/disable.
123 1) GPIO(gpio7 GPIO_B5) is EBUSY when register after factory reset, but after power on ,it's normal.
125 1) rk3368 camera: hold vio0 noc clock during the camera work, fixed isp iommu stall failed.
127 1) add isp-dvp-d4d11 iomux support.
129 #define CAMSYS_DRIVER_VERSION KERNEL_VERSION(0,0x21,0)
132 #define CAMSYS_PLATFORM_DRV_NAME "RockChip-CamSys"
133 #define CAMSYS_PLATFORM_MARVIN_NAME "Platform_MarvinDev"
134 #define CAMSYS_PLATFORM_CIF0_NAME "Platform_Cif0Dev"
135 #define CAMSYS_PLATFORM_CIF1_NAME "Platform_Cif1Dev"
137 #define CAMSYS_REGISTER_RES_NAME "CamSys_RegMem"
138 #define CAMSYS_REGISTER_MIPIPHY_RES_NAME "CamSys_RegMem_MipiPhy"
139 #define CAMSYS_IRQ_RES_NAME "CamSys_Irq"
141 #define CAMSYS_REGISTER_MEM_NAME CAMSYS_REGISTER_RES_NAME
142 #define CAMSYS_I2C_MEM_NAME "CamSys_I2cMem"
143 #define CAMSYS_MIPIPHY_MEM_NAME CAMSYS_REGISTER_MIPIPHY_RES_NAME
145 #define CAMSYS_NAMELEN_MIN(a) ((strlen(a)>(CAMSYS_NAME_LEN-1))?(CAMSYS_NAME_LEN-1):strlen(a))
146 #define CAMSYS_IRQPOOL_NUM 128
148 extern unsigned int camsys_debug;
150 #define camsys_trace(level, msg,...) \
152 if (camsys_debug >= level) \
153 printk("D%d:%s(%d): " msg "\n",level, __FUNCTION__,__LINE__, ## __VA_ARGS__); \
156 #define camsys_warn(msg,...) printk(KERN_ERR "W:%s(%d): " msg "\n", __FUNCTION__,__LINE__, ## __VA_ARGS__)
157 #define camsys_err(msg,...) printk(KERN_ERR "E:%s(%d): " msg "\n", __FUNCTION__,__LINE__, ## __VA_ARGS__)
160 typedef struct camsys_irqstas_s {
162 struct list_head list;
165 typedef struct camsys_irqpool_s {
167 unsigned int timeout; //us
172 spinlock_t lock; // lock for list
173 camsys_irqstas_t pool[CAMSYS_IRQPOOL_NUM];
174 struct list_head active;
175 struct list_head deactive;
177 struct list_head list;
179 wait_queue_head_t done;
182 typedef struct camsys_irq_s {
185 spinlock_t lock; //lock for timeout and irq_connect in ioctl
186 //unsigned int timeout;
188 //wait_queue_head_t irq_done;
190 struct list_head irq_pool;
193 typedef struct camsys_meminfo_s {
194 unsigned char name[32];
195 unsigned long phy_base;
196 unsigned long vir_base;
200 struct list_head list;
204 typedef struct camsys_devmems_s {
205 camsys_meminfo_t *registermem;
206 camsys_meminfo_t *i2cmem;
207 struct list_head memslist;
210 typedef struct camsys_regulator_s {
211 struct regulator *ldo;
214 } camsys_regulator_t;
216 typedef struct camsys_gpio_s {
220 typedef struct camsys_flash_s {
226 typedef struct camsys_extdev_s {
227 unsigned char dev_name[CAMSYS_NAME_LEN];
229 camsys_regulator_t avdd;
230 camsys_regulator_t dovdd;
231 camsys_regulator_t dvdd;
232 camsys_regulator_t afvdd;
237 camsys_gpio_t afpwrdn;
242 camsys_extdev_phy_t phy;
243 camsys_extdev_clk_t clk;
245 unsigned int dev_cfg;
247 struct platform_device *pdev;
249 struct list_head list;
250 struct list_head active;
253 typedef struct camsys_phyinfo_s {
256 camsys_meminfo_t *reg;
258 int (*clkin_cb)(void *ptr, unsigned int on);
259 int (*ops) (void *ptr, camsys_mipiphy_t *phy);
260 int (*remove)(struct platform_device *pdev);
263 typedef struct camsys_exdevs_s {
265 struct list_head list;
266 struct list_head active;
269 typedef struct camsys_dev_s {
273 camsys_devmems_t devmems;
274 struct miscdevice miscdev;
277 camsys_phyinfo_t *mipiphy;
278 camsys_phyinfo_t cifphy;
280 camsys_exdevs_t extdevs;
281 struct list_head list;
282 struct platform_device *pdev;
286 camsys_meminfo_t *csiphy_reg;
288 int (*clkin_cb)(void *ptr, unsigned int on);
289 int (*clkout_cb)(void *ptr,unsigned int on,unsigned int clk);
290 int (*reset_cb)(void *ptr, unsigned int on);
291 int (*phy_cb) (camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, void* ptr);
292 int (*iomux)(camsys_extdev_t *extdev,void *ptr);
293 int (*platform_remove)(struct platform_device *pdev);
294 int (*flash_trigger_cb)(void *ptr,int mode , unsigned int on);
295 int (*iommu_cb)(void *ptr,camsys_sysctrl_t *devctl);
299 static inline camsys_extdev_t* camsys_find_extdev(unsigned int dev_id, camsys_dev_t *camsys_dev)
301 camsys_extdev_t *extdev;
303 if (!list_empty(&camsys_dev->extdevs.list)) {
304 list_for_each_entry(extdev, &camsys_dev->extdevs.list, list) {
305 if (extdev->dev_id == dev_id) {
313 static inline camsys_meminfo_t* camsys_find_devmem(char *name, camsys_dev_t *camsys_dev)
315 camsys_meminfo_t *devmem;
317 if (!list_empty(&camsys_dev->devmems.memslist)) {
318 list_for_each_entry(devmem, &camsys_dev->devmems.memslist, list) {
319 if (strcmp(devmem->name, name) == 0) {
324 camsys_err("%s memory have not been find in %s!",name,dev_name(camsys_dev->miscdev.this_device));
329 static inline int camsys_sysctl_extdev(camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
332 camsys_regulator_t *regulator;
335 if ((devctl->ops>CamSys_Vdd_Start_Tag) && (devctl->ops < CamSys_Vdd_End_Tag)) {
336 regulator = &extdev->avdd;
337 regulator += devctl->ops-1;
339 if (!IS_ERR_OR_NULL(regulator->ldo)) {
341 err = regulator_set_voltage(regulator->ldo,regulator->min_uv,regulator->max_uv);
342 err |= regulator_enable(regulator->ldo);
343 camsys_trace(1,"Sysctl %d success, regulator set (%d,%d) uv!",devctl->ops, regulator->min_uv,regulator->max_uv);
345 while(regulator_is_enabled(regulator->ldo)>0)
346 regulator_disable(regulator->ldo);
347 camsys_trace(1,"Sysctl %d success, regulator off!",devctl->ops);
350 //camsys_err("Sysctl %d failed, because regulator ldo is NULL!",devctl->ops);
354 } else if ((devctl->ops>CamSys_Gpio_Start_Tag) && (devctl->ops < CamSys_Gpio_End_Tag)) {
355 gpio = &extdev->pwrdn;
356 gpio += devctl->ops - CamSys_Gpio_Start_Tag -1;
358 if (gpio->io != 0xffffffff) {
360 gpio_direction_output(gpio->io, gpio->active);
361 gpio_set_value(gpio->io, gpio->active);
362 camsys_trace(1,"Sysctl %d success, gpio(%d) set %d",devctl->ops, gpio->io, gpio->active);
364 gpio_direction_output(gpio->io, !gpio->active);
365 gpio_set_value(gpio->io, !gpio->active);
366 camsys_trace(1,"Sysctl %d success, gpio(%d) set %d",devctl->ops, gpio->io, !gpio->active);
369 camsys_err("Sysctl %d failed, because gpio is NULL!",devctl->ops);
373 } else if (devctl->ops == CamSys_ClkIn) {
374 if (camsys_dev->clkout_cb)
375 camsys_dev->clkout_cb(camsys_dev,devctl->on,extdev->clk.in_rate);
376 } else if (devctl->ops == CamSys_Phy) {
377 if (camsys_dev->phy_cb)
378 (camsys_dev->phy_cb)(extdev,devctl,(void*)camsys_dev);
385 extern struct file_operations camsys_fops;