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 <linux/rockchip/cpu.h>
33 #include <linux/rockchip/iomap.h>
34 #include <linux/rockchip/grf.h>
35 #include <asm/uaccess.h>
37 #include <linux/of_device.h>
38 #include <linux/pinctrl/consumer.h>
39 #include <linux/of_address.h>
40 #include <linux/of_irq.h>
41 #include <linux/of_gpio.h>
42 #include <linux/rockchip/cpu.h>
43 #include <media/camsys_head.h>
44 #include <linux/rockchip-iovmm.h>
47 * C A M S Y S D R I V E R V E R S I O N
52 * 1) add mipi csi phy;
54 * 1) add support cif phy for marvin;
56 * 1) add clock information in struct camsys_devio_name_s;
58 * 1) set isp clock at 32MHz;
60 * 1) iomux d0 d1 for cif phy raw10 in rk319x after i2c operated;
61 * 2) check mis value in camsys_irq_connect;
62 3) add soft rest callback;
64 1) check extdev is activate or not before delete from
65 camsys_dev active list;
67 1) fix deregister a unregister extdev oops
68 in camsys_extdev_deregister;
69 *v0.9.0: 1) set isp freq to 210M
71 1) fix camsys_i2c_write and camsys_i2c_write
72 can't support reg_size=0;
74 1) control ddr freq by marvin self other than by clk unit.
76 * 1) add flash_trigger_out control
78 * 1) add Isp_SoftRst for rk3288;
80 * 1) isp_clk 208.8M for 1lane, isp_clk 416.6M for 2lane;
82 1) mi_mis register may read erro, this may cause
83 mistaken mi frame_end irqs.
85 1) add flash_prelight control.
87 1) raise qos of isp up to the same as lcdc.
91 1) camsys_extdev_register return failed when this
92 dev_id has been registered;
93 2) add support JPG irq connect;
95 1) camsys_extdev_register return -EBUSY when this
96 dev_id has been registered;
98 1) check extdev name when dev_id has been registered;
100 1) enable or disable IOMMU just depending
101 on CONFIG_ROCKCHIP_IOMMU.
103 1) isp iommu status depend on vpu iommu status.
105 1) add flashlight RT8547 driver
106 2) support torch mode
108 1) set CONFIG_CAMSYS_DRV disable as default,
109 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
114 instead of of_find_compatible_node
118 1) enable aclk_rga for rk3368, otherwise,
119 isp reset will cause system halted.
121 1) dts remove aclk_rga, change aclk_isp
122 from <clk_gates17 0> to <&clk_gates16 0>.
123 2) add rl3369 pd_isp enable/disable.
125 1) GPIO(gpio7 GPIO_B5) is EBUSY
126 when register after factory reset,
127 but after power on ,it's normal.
129 1) rk3368 camera: hold vio0 noc clock during the camera work,
130 fixed isp iommu stall failed.
132 1) add isp-dvp-d4d11 iomux support.
134 1) support rk3368-sheep kernel ver4.4.
138 1) some modifications.
140 #define CAMSYS_DRIVER_VERSION KERNEL_VERSION(0, 0x21, 3)
142 #define CAMSYS_PLATFORM_DRV_NAME "RockChip-CamSys"
143 #define CAMSYS_PLATFORM_MARVIN_NAME "Platform_MarvinDev"
144 #define CAMSYS_PLATFORM_CIF0_NAME "Platform_Cif0Dev"
145 #define CAMSYS_PLATFORM_CIF1_NAME "Platform_Cif1Dev"
147 #define CAMSYS_REGISTER_RES_NAME "CamSys_RegMem"
148 #define CAMSYS_REGISTER_MIPIPHY_RES_NAME "CamSys_RegMem_MipiPhy"
149 #define CAMSYS_IRQ_RES_NAME "CamSys_Irq"
151 #define CAMSYS_REGISTER_MEM_NAME CAMSYS_REGISTER_RES_NAME
152 #define CAMSYS_I2C_MEM_NAME "CamSys_I2cMem"
153 #define CAMSYS_MIPIPHY_MEM_NAME \
154 CAMSYS_REGISTER_MIPIPHY_RES_NAME
156 #define CAMSYS_NAMELEN_MIN(a) \
157 ((strlen(a) > (CAMSYS_NAME_LEN-1))?(CAMSYS_NAME_LEN-1):strlen(a))
158 #define CAMSYS_IRQPOOL_NUM 128
160 extern unsigned int camsys_debug;
162 #define camsys_trace(level, msg, ...) \
164 if (camsys_debug >= level) \
165 printk("D%d:%s(%d): " msg "\n", level,\
166 __FUNCTION__, __LINE__, ## __VA_ARGS__); \
169 #define camsys_warn(msg, ...) \
170 printk(KERN_ERR "W:%s(%d): " msg "\n", __FUNCTION__,\
171 __LINE__, ## __VA_ARGS__)
172 #define camsys_err(msg, ...) \
173 printk(KERN_ERR "E:%s(%d): " msg "\n", __FUNCTION__,\
174 __LINE__, ## __VA_ARGS__)
176 typedef struct camsys_irqstas_s {
178 struct list_head list;
181 typedef struct camsys_irqpool_s {
183 unsigned int timeout;/* us */
186 spinlock_t lock;/* lock for list */
187 camsys_irqstas_t pool[CAMSYS_IRQPOOL_NUM];
188 struct list_head active;
189 struct list_head deactive;
191 struct list_head list;
193 wait_queue_head_t done;
196 typedef struct camsys_irq_s {
198 /* lock for timeout and irq_connect in ioctl */
200 struct list_head irq_pool;
203 typedef struct camsys_meminfo_s {
204 unsigned char name[32];
205 unsigned long phy_base;
206 unsigned long vir_base;
209 struct list_head list;
212 typedef struct camsys_devmems_s {
213 camsys_meminfo_t *registermem;
214 camsys_meminfo_t *i2cmem;
215 struct list_head memslist;
218 typedef struct camsys_regulator_s {
219 struct regulator *ldo;
222 } camsys_regulator_t;
224 typedef struct camsys_gpio_s {
228 typedef struct camsys_flash_s {
233 typedef struct camsys_extdev_s {
234 unsigned char dev_name[CAMSYS_NAME_LEN];
236 camsys_regulator_t avdd;
237 camsys_regulator_t dovdd;
238 camsys_regulator_t dvdd;
239 camsys_regulator_t afvdd;
243 camsys_gpio_t afpwrdn;
246 camsys_extdev_phy_t phy;
247 camsys_extdev_clk_t clk;
248 unsigned int dev_cfg;
249 struct platform_device *pdev;
250 struct list_head list;
251 struct list_head active;
254 typedef struct camsys_phyinfo_s {
257 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 {
272 camsys_devmems_t devmems;
273 struct miscdevice miscdev;
275 camsys_phyinfo_t *mipiphy;
276 camsys_phyinfo_t cifphy;
278 camsys_exdevs_t extdevs;
279 struct list_head list;
280 struct platform_device *pdev;
284 camsys_meminfo_t *csiphy_reg;
285 camsys_meminfo_t *dsiphy_reg;
286 camsys_meminfo_t *isp0_reg;
288 unsigned long rk_grf_base;
289 unsigned long rk_cru_base;
290 unsigned long rk_isp_base;
292 int (*clkin_cb)(void *ptr, unsigned int on);
293 int (*clkout_cb)(void *ptr, unsigned int on, unsigned int clk);
294 int (*reset_cb)(void *ptr, unsigned int on);
297 (camsys_extdev_t *extdev,
298 camsys_sysctrl_t *devctl, void *ptr);
299 int (*iomux)(camsys_extdev_t *extdev, void *ptr);
300 int (*platform_remove)(struct platform_device *pdev);
301 int (*flash_trigger_cb)(void *ptr, int mode, unsigned int on);
302 int (*iommu_cb)(void *ptr, camsys_sysctrl_t *devctl);
306 static inline camsys_extdev_t *camsys_find_extdev(
307 unsigned int dev_id, camsys_dev_t *camsys_dev)
309 camsys_extdev_t *extdev = NULL;
311 if (!list_empty(&camsys_dev->extdevs.list)) {
312 list_for_each_entry(extdev,
313 &camsys_dev->extdevs.list, list) {
314 if (extdev->dev_id == dev_id) {
322 static inline camsys_meminfo_t *camsys_find_devmem(
323 char *name, camsys_dev_t *camsys_dev)
325 camsys_meminfo_t *devmem;
327 if (!list_empty(&camsys_dev->devmems.memslist)) {
328 list_for_each_entry(devmem,
329 &camsys_dev->devmems.memslist, list) {
330 if (strcmp(devmem->name, name) == 0) {
335 camsys_err("%s memory have not been find in %s!",
336 name, dev_name(camsys_dev->miscdev.this_device));
340 static inline int camsys_sysctl_extdev(
341 camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
344 camsys_regulator_t *regulator;
347 if ((devctl->ops > CamSys_Vdd_Start_Tag) &&
348 (devctl->ops < CamSys_Vdd_End_Tag)) {
349 regulator = &extdev->avdd;
350 regulator += devctl->ops-1;
352 if (!IS_ERR_OR_NULL(regulator->ldo)) {
354 err = regulator_set_voltage(
355 regulator->ldo, regulator->min_uv,
357 err |= regulator_enable(regulator->ldo);
359 "Sysctl %d success, regulator set (%d,%d) uv!",
360 devctl->ops, regulator->min_uv,
363 while (regulator_is_enabled(regulator->ldo) > 0)
364 regulator_disable(regulator->ldo);
366 "Sysctl %d success, regulator off!",
373 } else if ((devctl->ops > CamSys_Gpio_Start_Tag) &&
374 (devctl->ops < CamSys_Gpio_End_Tag)) {
375 gpio = &extdev->pwrdn;
376 gpio += devctl->ops - CamSys_Gpio_Start_Tag -1;
378 if (gpio->io != 0xffffffff) {
380 gpio_direction_output(gpio->io, gpio->active);
381 gpio_set_value(gpio->io, gpio->active);
383 "Sysctl %d success, gpio(%d) set %d",
384 devctl->ops, gpio->io, gpio->active);
386 gpio_direction_output(gpio->io, !gpio->active);
387 gpio_set_value(gpio->io, !gpio->active);
389 "Sysctl %d success, gpio(%d) set %d",
390 devctl->ops, gpio->io, !gpio->active);
393 camsys_err("Sysctl %d failed, because gpio is NULL!",
398 } else if (devctl->ops == CamSys_ClkIn) {
399 if (camsys_dev->clkout_cb)
400 camsys_dev->clkout_cb
401 (camsys_dev, devctl->on,
402 extdev->clk.in_rate);
403 } else if (devctl->ops == CamSys_Phy) {
404 if (camsys_dev->phy_cb)
414 extern struct file_operations camsys_fops;