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 #define CAMSYS_DRIVER_VERSION KERNEL_VERSION(0, 0x21, 9)
157 #define CAMSYS_PLATFORM_DRV_NAME "RockChip-CamSys"
158 #define CAMSYS_PLATFORM_MARVIN_NAME "Platform_MarvinDev"
159 #define CAMSYS_PLATFORM_CIF0_NAME "Platform_Cif0Dev"
160 #define CAMSYS_PLATFORM_CIF1_NAME "Platform_Cif1Dev"
162 #define CAMSYS_REGISTER_RES_NAME "CamSys_RegMem"
163 #define CAMSYS_REGISTER_MIPIPHY_RES_NAME "CamSys_RegMem_MipiPhy"
164 #define CAMSYS_IRQ_RES_NAME "CamSys_Irq"
166 #define CAMSYS_REGISTER_MEM_NAME CAMSYS_REGISTER_RES_NAME
167 #define CAMSYS_I2C_MEM_NAME "CamSys_I2cMem"
168 #define CAMSYS_MIPIPHY_MEM_NAME \
169 CAMSYS_REGISTER_MIPIPHY_RES_NAME
171 #define CAMSYS_NAMELEN_MIN(a) \
172 ((strlen(a) > (CAMSYS_NAME_LEN-1))?(CAMSYS_NAME_LEN-1):strlen(a))
173 #define CAMSYS_IRQPOOL_NUM 128
174 #define CAMSYS_DMA_BUF_MAX_NUM 32
176 extern unsigned int camsys_debug;
178 #define camsys_trace(level, msg, ...) \
180 if (camsys_debug >= level) \
181 printk("D%d:%s(%d): " msg "\n", level,\
182 __FUNCTION__, __LINE__, ## __VA_ARGS__); \
185 #define camsys_warn(msg, ...) \
186 printk(KERN_ERR "W:%s(%d): " msg "\n", __FUNCTION__,\
187 __LINE__, ## __VA_ARGS__)
188 #define camsys_err(msg, ...) \
189 printk(KERN_ERR "E:%s(%d): " msg "\n", __FUNCTION__,\
190 __LINE__, ## __VA_ARGS__)
192 typedef struct camsys_irqstas_s {
194 struct list_head list;
197 typedef struct camsys_irqpool_s {
199 unsigned int timeout;/* us */
202 spinlock_t lock;/* lock for list */
203 camsys_irqstas_t pool[CAMSYS_IRQPOOL_NUM];
204 struct list_head active;
205 struct list_head deactive;
207 struct list_head list;
209 wait_queue_head_t done;
212 typedef struct camsys_irq_s {
214 /* lock for timeout and irq_connect in ioctl */
216 struct list_head irq_pool;
219 typedef struct camsys_meminfo_s {
220 unsigned char name[32];
221 unsigned long phy_base;
222 unsigned long vir_base;
225 struct list_head list;
228 typedef struct camsys_devmems_s {
229 camsys_meminfo_t *registermem;
230 camsys_meminfo_t *i2cmem;
231 struct list_head memslist;
234 typedef struct camsys_regulator_s {
235 struct regulator *ldo;
238 } camsys_regulator_t;
240 typedef struct camsys_gpio_s {
244 typedef struct camsys_flash_s {
249 typedef struct camsys_extdev_s {
250 unsigned char dev_name[CAMSYS_NAME_LEN];
252 camsys_regulator_t avdd;
253 camsys_regulator_t dovdd;
254 camsys_regulator_t dvdd;
255 camsys_regulator_t afvdd;
259 camsys_gpio_t afpwrdn;
262 camsys_extdev_phy_t phy;
263 camsys_extdev_clk_t clk;
264 unsigned int dev_cfg;
265 struct platform_device *pdev;
266 struct list_head list;
267 struct list_head active;
270 typedef struct camsys_phyinfo_s {
273 camsys_meminfo_t *reg;
274 int (*clkin_cb)(void *ptr, unsigned int on);
275 int (*ops)(void *ptr, camsys_mipiphy_t *phy);
276 int (*remove)(struct platform_device *pdev);
279 typedef struct camsys_exdevs_s {
281 struct list_head list;
282 struct list_head active;
285 typedef struct camsys_dma_buf_s {
286 struct dma_buf *dma_buf;
287 struct dma_buf_attachment *attach;
288 struct sg_table *sgt;
293 typedef struct camsys_dev_s {
296 camsys_devmems_t devmems;
297 struct miscdevice miscdev;
299 camsys_phyinfo_t *mipiphy;
300 camsys_phyinfo_t cifphy;
302 camsys_exdevs_t extdevs;
303 struct list_head list;
304 struct platform_device *pdev;
308 camsys_meminfo_t *csiphy_reg;
309 camsys_meminfo_t *dsiphy_reg;
310 camsys_meminfo_t *isp0_reg;
312 unsigned long rk_grf_base;
313 unsigned long rk_cru_base;
314 unsigned long rk_isp_base;
316 struct iommu_domain *domain;
317 camsys_dma_buf_t dma_buf[CAMSYS_DMA_BUF_MAX_NUM];
320 int (*clkin_cb)(void *ptr, unsigned int on);
321 int (*clkout_cb)(void *ptr, unsigned int on, unsigned int clk);
322 int (*reset_cb)(void *ptr, unsigned int on);
325 (camsys_extdev_t *extdev,
326 camsys_sysctrl_t *devctl, void *ptr);
327 int (*iomux)(camsys_extdev_t *extdev, void *ptr);
328 int (*platform_remove)(struct platform_device *pdev);
329 int (*flash_trigger_cb)(void *ptr, int mode, unsigned int on);
330 int (*iommu_cb)(void *ptr, camsys_sysctrl_t *devctl);
334 static inline camsys_extdev_t *camsys_find_extdev(
335 unsigned int dev_id, camsys_dev_t *camsys_dev)
337 camsys_extdev_t *extdev = NULL;
339 if (!list_empty(&camsys_dev->extdevs.list)) {
340 list_for_each_entry(extdev,
341 &camsys_dev->extdevs.list, list) {
342 if (extdev->dev_id == dev_id) {
350 static inline camsys_meminfo_t *camsys_find_devmem(
351 char *name, camsys_dev_t *camsys_dev)
353 camsys_meminfo_t *devmem;
355 if (!list_empty(&camsys_dev->devmems.memslist)) {
356 list_for_each_entry(devmem,
357 &camsys_dev->devmems.memslist, list) {
358 if (strcmp(devmem->name, name) == 0) {
363 camsys_err("%s memory have not been find in %s!",
364 name, dev_name(camsys_dev->miscdev.this_device));
368 static inline int camsys_sysctl_extdev(
369 camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
372 camsys_regulator_t *regulator;
375 if ((devctl->ops > CamSys_Vdd_Start_Tag) &&
376 (devctl->ops < CamSys_Vdd_End_Tag)) {
377 regulator = &extdev->avdd;
378 regulator += devctl->ops-1;
380 if (!IS_ERR_OR_NULL(regulator->ldo)) {
382 err = regulator_set_voltage(
383 regulator->ldo, regulator->min_uv,
385 err |= regulator_enable(regulator->ldo);
387 "Sysctl %d success, regulator set (%d,%d) uv!",
388 devctl->ops, regulator->min_uv,
391 while (regulator_is_enabled(regulator->ldo) > 0)
392 regulator_disable(regulator->ldo);
394 "Sysctl %d success, regulator off!",
401 } else if ((devctl->ops > CamSys_Gpio_Start_Tag) &&
402 (devctl->ops < CamSys_Gpio_End_Tag)) {
403 gpio = &extdev->pwrdn;
404 gpio += devctl->ops - CamSys_Gpio_Start_Tag -1;
406 if (gpio->io != 0xffffffff) {
408 gpio_direction_output(gpio->io, gpio->active);
409 gpio_set_value(gpio->io, gpio->active);
411 "Sysctl %d success, gpio(%d) set %d",
412 devctl->ops, gpio->io, gpio->active);
414 gpio_direction_output(gpio->io, !gpio->active);
415 gpio_set_value(gpio->io, !gpio->active);
417 "Sysctl %d success, gpio(%d) set %d",
418 devctl->ops, gpio->io, !gpio->active);
421 camsys_err("Sysctl %d failed, because gpio is NULL!",
426 } else if (devctl->ops == CamSys_ClkIn) {
427 if (camsys_dev->clkout_cb)
428 camsys_dev->clkout_cb
429 (camsys_dev, devctl->on,
430 extdev->clk.in_rate);
431 } else if (devctl->ops == CamSys_Phy) {
432 if (camsys_dev->phy_cb)
442 extern struct file_operations camsys_fops;