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 1) modify for rk3399.
142 1) modify for mipiphy hsfreqrange.
144 1) support drm iommu.
146 * 1) remove memset function wrong called code.
148 * 1) flash module exist risk, fix up it.
150 1) fix drm iommu crash.
151 if process cameraserver was died during streaming, iommu resource
152 was not released correctly. when cameraserver was recovered and
153 streaming again, iommu resource may be conflicted.
155 1) clock clk_vio0_noc would cause mipi lcdc no display on 3368h, remove it.
157 #define CAMSYS_DRIVER_VERSION KERNEL_VERSION(0, 0x21, 0xa)
159 #define CAMSYS_PLATFORM_DRV_NAME "RockChip-CamSys"
160 #define CAMSYS_PLATFORM_MARVIN_NAME "Platform_MarvinDev"
161 #define CAMSYS_PLATFORM_CIF0_NAME "Platform_Cif0Dev"
162 #define CAMSYS_PLATFORM_CIF1_NAME "Platform_Cif1Dev"
164 #define CAMSYS_REGISTER_RES_NAME "CamSys_RegMem"
165 #define CAMSYS_REGISTER_MIPIPHY_RES_NAME "CamSys_RegMem_MipiPhy"
166 #define CAMSYS_IRQ_RES_NAME "CamSys_Irq"
168 #define CAMSYS_REGISTER_MEM_NAME CAMSYS_REGISTER_RES_NAME
169 #define CAMSYS_I2C_MEM_NAME "CamSys_I2cMem"
170 #define CAMSYS_MIPIPHY_MEM_NAME \
171 CAMSYS_REGISTER_MIPIPHY_RES_NAME
173 #define CAMSYS_NAMELEN_MIN(a) \
174 ((strlen(a) > (CAMSYS_NAME_LEN-1))?(CAMSYS_NAME_LEN-1):strlen(a))
175 #define CAMSYS_IRQPOOL_NUM 128
176 #define CAMSYS_DMA_BUF_MAX_NUM 32
178 extern unsigned int camsys_debug;
180 #define camsys_trace(level, msg, ...) \
182 if (camsys_debug >= level) \
183 printk("D%d:%s(%d): " msg "\n", level,\
184 __FUNCTION__, __LINE__, ## __VA_ARGS__); \
187 #define camsys_warn(msg, ...) \
188 printk(KERN_ERR "W:%s(%d): " msg "\n", __FUNCTION__,\
189 __LINE__, ## __VA_ARGS__)
190 #define camsys_err(msg, ...) \
191 printk(KERN_ERR "E:%s(%d): " msg "\n", __FUNCTION__,\
192 __LINE__, ## __VA_ARGS__)
194 typedef struct camsys_irqstas_s {
196 struct list_head list;
199 typedef struct camsys_irqpool_s {
201 unsigned int timeout;/* us */
204 spinlock_t lock;/* lock for list */
205 camsys_irqstas_t pool[CAMSYS_IRQPOOL_NUM];
206 struct list_head active;
207 struct list_head deactive;
209 struct list_head list;
211 wait_queue_head_t done;
214 typedef struct camsys_irq_s {
216 /* lock for timeout and irq_connect in ioctl */
218 struct list_head irq_pool;
221 typedef struct camsys_meminfo_s {
222 unsigned char name[32];
223 unsigned long phy_base;
224 unsigned long vir_base;
227 struct list_head list;
230 typedef struct camsys_devmems_s {
231 camsys_meminfo_t *registermem;
232 camsys_meminfo_t *i2cmem;
233 struct list_head memslist;
236 typedef struct camsys_regulator_s {
237 struct regulator *ldo;
240 } camsys_regulator_t;
242 typedef struct camsys_gpio_s {
246 typedef struct camsys_flash_s {
251 typedef struct camsys_extdev_s {
252 unsigned char dev_name[CAMSYS_NAME_LEN];
254 camsys_regulator_t avdd;
255 camsys_regulator_t dovdd;
256 camsys_regulator_t dvdd;
257 camsys_regulator_t afvdd;
261 camsys_gpio_t afpwrdn;
264 camsys_extdev_phy_t phy;
265 camsys_extdev_clk_t clk;
266 unsigned int dev_cfg;
267 struct platform_device *pdev;
268 struct list_head list;
269 struct list_head active;
272 typedef struct camsys_phyinfo_s {
275 camsys_meminfo_t *reg;
276 int (*clkin_cb)(void *ptr, unsigned int on);
277 int (*ops)(void *ptr, camsys_mipiphy_t *phy);
278 int (*remove)(struct platform_device *pdev);
281 typedef struct camsys_exdevs_s {
283 struct list_head list;
284 struct list_head active;
287 typedef struct camsys_dma_buf_s {
288 struct dma_buf *dma_buf;
289 struct dma_buf_attachment *attach;
290 struct sg_table *sgt;
295 typedef struct camsys_dev_s {
298 camsys_devmems_t devmems;
299 struct miscdevice miscdev;
301 camsys_phyinfo_t *mipiphy;
302 camsys_phyinfo_t cifphy;
304 camsys_exdevs_t extdevs;
305 struct list_head list;
306 struct platform_device *pdev;
310 camsys_meminfo_t *csiphy_reg;
311 camsys_meminfo_t *dsiphy_reg;
312 camsys_meminfo_t *isp0_reg;
314 unsigned long rk_grf_base;
315 unsigned long rk_cru_base;
316 unsigned long rk_isp_base;
318 struct iommu_domain *domain;
319 camsys_dma_buf_t dma_buf[CAMSYS_DMA_BUF_MAX_NUM];
322 int (*clkin_cb)(void *ptr, unsigned int on);
323 int (*clkout_cb)(void *ptr, unsigned int on, unsigned int clk);
324 int (*reset_cb)(void *ptr, unsigned int on);
327 (camsys_extdev_t *extdev,
328 camsys_sysctrl_t *devctl, void *ptr);
329 int (*iomux)(camsys_extdev_t *extdev, void *ptr);
330 int (*platform_remove)(struct platform_device *pdev);
331 int (*flash_trigger_cb)(void *ptr, int mode, unsigned int on);
332 int (*iommu_cb)(void *ptr, camsys_sysctrl_t *devctl);
336 static inline camsys_extdev_t *camsys_find_extdev(
337 unsigned int dev_id, camsys_dev_t *camsys_dev)
339 camsys_extdev_t *extdev = NULL;
341 if (!list_empty(&camsys_dev->extdevs.list)) {
342 list_for_each_entry(extdev,
343 &camsys_dev->extdevs.list, list) {
344 if (extdev->dev_id == dev_id) {
352 static inline camsys_meminfo_t *camsys_find_devmem(
353 char *name, camsys_dev_t *camsys_dev)
355 camsys_meminfo_t *devmem;
357 if (!list_empty(&camsys_dev->devmems.memslist)) {
358 list_for_each_entry(devmem,
359 &camsys_dev->devmems.memslist, list) {
360 if (strcmp(devmem->name, name) == 0) {
365 camsys_err("%s memory have not been find in %s!",
366 name, dev_name(camsys_dev->miscdev.this_device));
370 static inline int camsys_sysctl_extdev(
371 camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
374 camsys_regulator_t *regulator;
377 if ((devctl->ops > CamSys_Vdd_Start_Tag) &&
378 (devctl->ops < CamSys_Vdd_End_Tag)) {
379 regulator = &extdev->avdd;
380 regulator += devctl->ops-1;
382 if (!IS_ERR_OR_NULL(regulator->ldo)) {
384 err = regulator_set_voltage(
385 regulator->ldo, regulator->min_uv,
387 err |= regulator_enable(regulator->ldo);
389 "Sysctl %d success, regulator set (%d,%d) uv!",
390 devctl->ops, regulator->min_uv,
393 while (regulator_is_enabled(regulator->ldo) > 0)
394 regulator_disable(regulator->ldo);
396 "Sysctl %d success, regulator off!",
403 } else if ((devctl->ops > CamSys_Gpio_Start_Tag) &&
404 (devctl->ops < CamSys_Gpio_End_Tag)) {
405 gpio = &extdev->pwrdn;
406 gpio += devctl->ops - CamSys_Gpio_Start_Tag -1;
408 if (gpio->io != 0xffffffff) {
410 gpio_direction_output(gpio->io, gpio->active);
411 gpio_set_value(gpio->io, gpio->active);
413 "Sysctl %d success, gpio(%d) set %d",
414 devctl->ops, gpio->io, gpio->active);
416 gpio_direction_output(gpio->io, !gpio->active);
417 gpio_set_value(gpio->io, !gpio->active);
419 "Sysctl %d success, gpio(%d) set %d",
420 devctl->ops, gpio->io, !gpio->active);
423 camsys_err("Sysctl %d failed, because gpio is NULL!",
428 } else if (devctl->ops == CamSys_ClkIn) {
429 if (camsys_dev->clkout_cb)
430 camsys_dev->clkout_cb
431 (camsys_dev, devctl->on,
432 extdev->clk.in_rate);
433 } else if (devctl->ops == CamSys_Phy) {
434 if (camsys_dev->phy_cb)
444 extern struct file_operations camsys_fops;