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 1) vpu_node changed from "vpu_service" to "rockchip,vpu_sub"
113 1) use of_find_node_by_name to get vpu node instead of of_find_compatible_node
115 #define CAMSYS_DRIVER_VERSION KERNEL_VERSION(0,0x1b,0)
118 #define CAMSYS_PLATFORM_DRV_NAME "RockChip-CamSys"
119 #define CAMSYS_PLATFORM_MARVIN_NAME "Platform_MarvinDev"
120 #define CAMSYS_PLATFORM_CIF0_NAME "Platform_Cif0Dev"
121 #define CAMSYS_PLATFORM_CIF1_NAME "Platform_Cif1Dev"
123 #define CAMSYS_REGISTER_RES_NAME "CamSys_RegMem"
124 #define CAMSYS_REGISTER_MIPIPHY_RES_NAME "CamSys_RegMem_MipiPhy"
125 #define CAMSYS_IRQ_RES_NAME "CamSys_Irq"
127 #define CAMSYS_REGISTER_MEM_NAME CAMSYS_REGISTER_RES_NAME
128 #define CAMSYS_I2C_MEM_NAME "CamSys_I2cMem"
129 #define CAMSYS_MIPIPHY_MEM_NAME CAMSYS_REGISTER_MIPIPHY_RES_NAME
131 #define CAMSYS_NAMELEN_MIN(a) ((strlen(a)>(CAMSYS_NAME_LEN-1))?(CAMSYS_NAME_LEN-1):strlen(a))
132 #define CAMSYS_IRQPOOL_NUM 128
134 extern unsigned int camsys_debug;
136 #define camsys_trace(level, msg,...) \
138 if (camsys_debug >= level) \
139 printk("D%d:%s(%d): " msg "\n",level, __FUNCTION__,__LINE__, ## __VA_ARGS__); \
142 #define camsys_warn(msg,...) printk(KERN_ERR "W:%s(%d): " msg "\n", __FUNCTION__,__LINE__, ## __VA_ARGS__)
143 #define camsys_err(msg,...) printk(KERN_ERR "E:%s(%d): " msg "\n", __FUNCTION__,__LINE__, ## __VA_ARGS__)
146 typedef struct camsys_irqstas_s {
148 struct list_head list;
151 typedef struct camsys_irqpool_s {
153 unsigned int timeout; //us
158 spinlock_t lock; // lock for list
159 camsys_irqstas_t pool[CAMSYS_IRQPOOL_NUM];
160 struct list_head active;
161 struct list_head deactive;
163 struct list_head list;
165 wait_queue_head_t done;
168 typedef struct camsys_irq_s {
171 spinlock_t lock; //lock for timeout and irq_connect in ioctl
172 //unsigned int timeout;
174 //wait_queue_head_t irq_done;
176 struct list_head irq_pool;
179 typedef struct camsys_meminfo_s {
180 unsigned char name[32];
181 unsigned int phy_base;
182 unsigned int vir_base;
186 struct list_head list;
190 typedef struct camsys_devmems_s {
191 camsys_meminfo_t *registermem;
192 camsys_meminfo_t *i2cmem;
193 struct list_head memslist;
196 typedef struct camsys_regulator_s {
197 struct regulator *ldo;
200 } camsys_regulator_t;
202 typedef struct camsys_gpio_s {
206 typedef struct camsys_flash_s {
212 typedef struct camsys_extdev_s {
213 unsigned char dev_name[CAMSYS_NAME_LEN];
215 camsys_regulator_t avdd;
216 camsys_regulator_t dovdd;
217 camsys_regulator_t dvdd;
218 camsys_regulator_t afvdd;
223 camsys_gpio_t afpwrdn;
228 camsys_extdev_phy_t phy;
229 camsys_extdev_clk_t clk;
231 unsigned int dev_cfg;
233 struct platform_device *pdev;
235 struct list_head list;
236 struct list_head active;
239 typedef struct camsys_phyinfo_s {
242 camsys_meminfo_t *reg;
244 int (*clkin_cb)(void *ptr, unsigned int on);
245 int (*ops) (void *ptr, camsys_mipiphy_t *phy);
246 int (*remove)(struct platform_device *pdev);
249 typedef struct camsys_exdevs_s {
251 struct list_head list;
252 struct list_head active;
255 typedef struct camsys_dev_s {
259 camsys_devmems_t devmems;
260 struct miscdevice miscdev;
263 camsys_phyinfo_t *mipiphy;
264 camsys_phyinfo_t cifphy;
266 camsys_exdevs_t extdevs;
267 struct list_head list;
268 struct platform_device *pdev;
272 int (*clkin_cb)(void *ptr, unsigned int on);
273 int (*clkout_cb)(void *ptr,unsigned int on,unsigned int clk);
274 int (*reset_cb)(void *ptr, unsigned int on);
275 int (*phy_cb) (camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, void* ptr);
276 int (*iomux)(camsys_extdev_t *extdev,void *ptr);
277 int (*platform_remove)(struct platform_device *pdev);
278 int (*flash_trigger_cb)(void *ptr,int mode , unsigned int on);
279 int (*iommu_cb)(void *ptr,camsys_sysctrl_t *devctl);
283 static inline camsys_extdev_t* camsys_find_extdev(unsigned int dev_id, camsys_dev_t *camsys_dev)
285 camsys_extdev_t *extdev;
287 if (!list_empty(&camsys_dev->extdevs.list)) {
288 list_for_each_entry(extdev, &camsys_dev->extdevs.list, list) {
289 if (extdev->dev_id == dev_id) {
297 static inline camsys_meminfo_t* camsys_find_devmem(char *name, camsys_dev_t *camsys_dev)
299 camsys_meminfo_t *devmem;
301 if (!list_empty(&camsys_dev->devmems.memslist)) {
302 list_for_each_entry(devmem, &camsys_dev->devmems.memslist, list) {
303 if (strcmp(devmem->name, name) == 0) {
308 camsys_err("%s memory have not been find in %s!",name,dev_name(camsys_dev->miscdev.this_device));
313 static inline int camsys_sysctl_extdev(camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
316 camsys_regulator_t *regulator;
319 if ((devctl->ops>CamSys_Vdd_Start_Tag) && (devctl->ops < CamSys_Vdd_End_Tag)) {
320 regulator = &extdev->avdd;
321 regulator += devctl->ops-1;
323 if (!IS_ERR_OR_NULL(regulator->ldo)) {
325 err = regulator_set_voltage(regulator->ldo,regulator->min_uv,regulator->max_uv);
326 err |= regulator_enable(regulator->ldo);
327 camsys_trace(1,"Sysctl %d success, regulator set (%d,%d) uv!",devctl->ops, regulator->min_uv,regulator->max_uv);
329 while(regulator_is_enabled(regulator->ldo)>0)
330 regulator_disable(regulator->ldo);
331 camsys_trace(1,"Sysctl %d success, regulator off!",devctl->ops);
334 //camsys_err("Sysctl %d failed, because regulator ldo is NULL!",devctl->ops);
338 } else if ((devctl->ops>CamSys_Gpio_Start_Tag) && (devctl->ops < CamSys_Gpio_End_Tag)) {
339 gpio = &extdev->pwrdn;
340 gpio += devctl->ops - CamSys_Gpio_Start_Tag -1;
342 if (gpio->io != 0xffffffff) {
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);
348 gpio_direction_output(gpio->io, !gpio->active);
349 gpio_set_value(gpio->io, !gpio->active);
350 camsys_trace(1,"Sysctl %d success, gpio(%d) set %d",devctl->ops, gpio->io, !gpio->active);
353 camsys_err("Sysctl %d failed, because gpio is NULL!",devctl->ops);
357 } else if (devctl->ops == CamSys_ClkIn) {
358 if (camsys_dev->clkout_cb)
359 camsys_dev->clkout_cb(camsys_dev,devctl->on,extdev->clk.in_rate);
360 } else if (devctl->ops == CamSys_Phy) {
361 if (camsys_dev->phy_cb)
362 (camsys_dev->phy_cb)(extdev,devctl,(void*)camsys_dev);
369 extern struct file_operations camsys_fops;