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 <mach/io.h>
32 //#include <mach/gpio.h>
33 //#include <mach/iomux.h>
34 //#include <mach/cru.h>
35 #include <linux/rockchip/cpu.h>
36 #include <linux/rockchip/iomap.h>
37 #include <linux/rockchip/grf.h>
38 //#include <asm/gpio.h>
39 //#include <asm/system.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
117 1) enable aclk_rga for rk3368, otherwise, isp reset will cause system halted.
119 #define CAMSYS_DRIVER_VERSION KERNEL_VERSION(0,0x1d,0)
122 #define CAMSYS_PLATFORM_DRV_NAME "RockChip-CamSys"
123 #define CAMSYS_PLATFORM_MARVIN_NAME "Platform_MarvinDev"
124 #define CAMSYS_PLATFORM_CIF0_NAME "Platform_Cif0Dev"
125 #define CAMSYS_PLATFORM_CIF1_NAME "Platform_Cif1Dev"
127 #define CAMSYS_REGISTER_RES_NAME "CamSys_RegMem"
128 #define CAMSYS_REGISTER_MIPIPHY_RES_NAME "CamSys_RegMem_MipiPhy"
129 #define CAMSYS_IRQ_RES_NAME "CamSys_Irq"
131 #define CAMSYS_REGISTER_MEM_NAME CAMSYS_REGISTER_RES_NAME
132 #define CAMSYS_I2C_MEM_NAME "CamSys_I2cMem"
133 #define CAMSYS_MIPIPHY_MEM_NAME CAMSYS_REGISTER_MIPIPHY_RES_NAME
135 #define CAMSYS_NAMELEN_MIN(a) ((strlen(a)>(CAMSYS_NAME_LEN-1))?(CAMSYS_NAME_LEN-1):strlen(a))
136 #define CAMSYS_IRQPOOL_NUM 128
138 extern unsigned int camsys_debug;
140 #define camsys_trace(level, msg,...) \
142 if (camsys_debug >= level) \
143 printk("D%d:%s(%d): " msg "\n",level, __FUNCTION__,__LINE__, ## __VA_ARGS__); \
146 #define camsys_warn(msg,...) printk(KERN_ERR "W:%s(%d): " msg "\n", __FUNCTION__,__LINE__, ## __VA_ARGS__)
147 #define camsys_err(msg,...) printk(KERN_ERR "E:%s(%d): " msg "\n", __FUNCTION__,__LINE__, ## __VA_ARGS__)
150 typedef struct camsys_irqstas_s {
152 struct list_head list;
155 typedef struct camsys_irqpool_s {
157 unsigned int timeout; //us
162 spinlock_t lock; // lock for list
163 camsys_irqstas_t pool[CAMSYS_IRQPOOL_NUM];
164 struct list_head active;
165 struct list_head deactive;
167 struct list_head list;
169 wait_queue_head_t done;
172 typedef struct camsys_irq_s {
175 spinlock_t lock; //lock for timeout and irq_connect in ioctl
176 //unsigned int timeout;
178 //wait_queue_head_t irq_done;
180 struct list_head irq_pool;
183 typedef struct camsys_meminfo_s {
184 unsigned char name[32];
185 unsigned long phy_base;
186 unsigned long vir_base;
190 struct list_head list;
194 typedef struct camsys_devmems_s {
195 camsys_meminfo_t *registermem;
196 camsys_meminfo_t *i2cmem;
197 struct list_head memslist;
200 typedef struct camsys_regulator_s {
201 struct regulator *ldo;
204 } camsys_regulator_t;
206 typedef struct camsys_gpio_s {
210 typedef struct camsys_flash_s {
216 typedef struct camsys_extdev_s {
217 unsigned char dev_name[CAMSYS_NAME_LEN];
219 camsys_regulator_t avdd;
220 camsys_regulator_t dovdd;
221 camsys_regulator_t dvdd;
222 camsys_regulator_t afvdd;
227 camsys_gpio_t afpwrdn;
232 camsys_extdev_phy_t phy;
233 camsys_extdev_clk_t clk;
235 unsigned int dev_cfg;
237 struct platform_device *pdev;
239 struct list_head list;
240 struct list_head active;
243 typedef struct camsys_phyinfo_s {
246 camsys_meminfo_t *reg;
248 int (*clkin_cb)(void *ptr, unsigned int on);
249 int (*ops) (void *ptr, camsys_mipiphy_t *phy);
250 int (*remove)(struct platform_device *pdev);
253 typedef struct camsys_exdevs_s {
255 struct list_head list;
256 struct list_head active;
259 typedef struct camsys_dev_s {
263 camsys_devmems_t devmems;
264 struct miscdevice miscdev;
267 camsys_phyinfo_t *mipiphy;
268 camsys_phyinfo_t cifphy;
270 camsys_exdevs_t extdevs;
271 struct list_head list;
272 struct platform_device *pdev;
276 camsys_meminfo_t *csiphy_reg;
278 int (*clkin_cb)(void *ptr, unsigned int on);
279 int (*clkout_cb)(void *ptr,unsigned int on,unsigned int clk);
280 int (*reset_cb)(void *ptr, unsigned int on);
281 int (*phy_cb) (camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, void* ptr);
282 int (*iomux)(camsys_extdev_t *extdev,void *ptr);
283 int (*platform_remove)(struct platform_device *pdev);
284 int (*flash_trigger_cb)(void *ptr,int mode , unsigned int on);
285 int (*iommu_cb)(void *ptr,camsys_sysctrl_t *devctl);
289 static inline camsys_extdev_t* camsys_find_extdev(unsigned int dev_id, camsys_dev_t *camsys_dev)
291 camsys_extdev_t *extdev;
293 if (!list_empty(&camsys_dev->extdevs.list)) {
294 list_for_each_entry(extdev, &camsys_dev->extdevs.list, list) {
295 if (extdev->dev_id == dev_id) {
303 static inline camsys_meminfo_t* camsys_find_devmem(char *name, camsys_dev_t *camsys_dev)
305 camsys_meminfo_t *devmem;
307 if (!list_empty(&camsys_dev->devmems.memslist)) {
308 list_for_each_entry(devmem, &camsys_dev->devmems.memslist, list) {
309 if (strcmp(devmem->name, name) == 0) {
314 camsys_err("%s memory have not been find in %s!",name,dev_name(camsys_dev->miscdev.this_device));
319 static inline int camsys_sysctl_extdev(camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
322 camsys_regulator_t *regulator;
325 if ((devctl->ops>CamSys_Vdd_Start_Tag) && (devctl->ops < CamSys_Vdd_End_Tag)) {
326 regulator = &extdev->avdd;
327 regulator += devctl->ops-1;
329 if (!IS_ERR_OR_NULL(regulator->ldo)) {
331 err = regulator_set_voltage(regulator->ldo,regulator->min_uv,regulator->max_uv);
332 err |= regulator_enable(regulator->ldo);
333 camsys_trace(1,"Sysctl %d success, regulator set (%d,%d) uv!",devctl->ops, regulator->min_uv,regulator->max_uv);
335 while(regulator_is_enabled(regulator->ldo)>0)
336 regulator_disable(regulator->ldo);
337 camsys_trace(1,"Sysctl %d success, regulator off!",devctl->ops);
340 //camsys_err("Sysctl %d failed, because regulator ldo is NULL!",devctl->ops);
344 } else if ((devctl->ops>CamSys_Gpio_Start_Tag) && (devctl->ops < CamSys_Gpio_End_Tag)) {
345 gpio = &extdev->pwrdn;
346 gpio += devctl->ops - CamSys_Gpio_Start_Tag -1;
348 if (gpio->io != 0xffffffff) {
350 gpio_direction_output(gpio->io, gpio->active);
351 gpio_set_value(gpio->io, gpio->active);
352 camsys_trace(1,"Sysctl %d success, gpio(%d) set %d",devctl->ops, gpio->io, gpio->active);
354 gpio_direction_output(gpio->io, !gpio->active);
355 gpio_set_value(gpio->io, !gpio->active);
356 camsys_trace(1,"Sysctl %d success, gpio(%d) set %d",devctl->ops, gpio->io, !gpio->active);
359 camsys_err("Sysctl %d failed, because gpio is NULL!",devctl->ops);
363 } else if (devctl->ops == CamSys_ClkIn) {
364 if (camsys_dev->clkout_cb)
365 camsys_dev->clkout_cb(camsys_dev,devctl->on,extdev->clk.in_rate);
366 } else if (devctl->ops == CamSys_Phy) {
367 if (camsys_dev->phy_cb)
368 (camsys_dev->phy_cb)(extdev,devctl,(void*)camsys_dev);
375 extern struct file_operations camsys_fops;