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 1) some log is boring, so set print level more high.
159 #define CAMSYS_DRIVER_VERSION KERNEL_VERSION(0, 0x21, 0xb)
161 #define CAMSYS_PLATFORM_DRV_NAME "RockChip-CamSys"
162 #define CAMSYS_PLATFORM_MARVIN_NAME "Platform_MarvinDev"
163 #define CAMSYS_PLATFORM_CIF0_NAME "Platform_Cif0Dev"
164 #define CAMSYS_PLATFORM_CIF1_NAME "Platform_Cif1Dev"
166 #define CAMSYS_REGISTER_RES_NAME "CamSys_RegMem"
167 #define CAMSYS_REGISTER_MIPIPHY_RES_NAME "CamSys_RegMem_MipiPhy"
168 #define CAMSYS_IRQ_RES_NAME "CamSys_Irq"
170 #define CAMSYS_REGISTER_MEM_NAME CAMSYS_REGISTER_RES_NAME
171 #define CAMSYS_I2C_MEM_NAME "CamSys_I2cMem"
172 #define CAMSYS_MIPIPHY_MEM_NAME \
173 CAMSYS_REGISTER_MIPIPHY_RES_NAME
175 #define CAMSYS_NAMELEN_MIN(a) \
176 ((strlen(a) > (CAMSYS_NAME_LEN-1))?(CAMSYS_NAME_LEN-1):strlen(a))
177 #define CAMSYS_IRQPOOL_NUM 128
178 #define CAMSYS_DMA_BUF_MAX_NUM 32
180 extern unsigned int camsys_debug;
182 #define camsys_trace(level, msg, ...) \
184 if (camsys_debug >= level) \
185 printk("D%d:%s(%d): " msg "\n", level,\
186 __FUNCTION__, __LINE__, ## __VA_ARGS__); \
189 #define camsys_warn(msg, ...) \
190 printk(KERN_ERR "W:%s(%d): " msg "\n", __FUNCTION__,\
191 __LINE__, ## __VA_ARGS__)
192 #define camsys_err(msg, ...) \
193 printk(KERN_ERR "E:%s(%d): " msg "\n", __FUNCTION__,\
194 __LINE__, ## __VA_ARGS__)
196 typedef struct camsys_irqstas_s {
198 struct list_head list;
201 typedef struct camsys_irqpool_s {
203 unsigned int timeout;/* us */
206 spinlock_t lock;/* lock for list */
207 camsys_irqstas_t pool[CAMSYS_IRQPOOL_NUM];
208 struct list_head active;
209 struct list_head deactive;
211 struct list_head list;
213 wait_queue_head_t done;
216 typedef struct camsys_irq_s {
218 /* lock for timeout and irq_connect in ioctl */
220 struct list_head irq_pool;
223 typedef struct camsys_meminfo_s {
224 unsigned char name[32];
225 unsigned long phy_base;
226 unsigned long vir_base;
229 struct list_head list;
232 typedef struct camsys_devmems_s {
233 camsys_meminfo_t *registermem;
234 camsys_meminfo_t *i2cmem;
235 struct list_head memslist;
238 typedef struct camsys_regulator_s {
239 struct regulator *ldo;
242 } camsys_regulator_t;
244 typedef struct camsys_gpio_s {
248 typedef struct camsys_flash_s {
253 typedef struct camsys_extdev_s {
254 unsigned char dev_name[CAMSYS_NAME_LEN];
256 camsys_regulator_t avdd;
257 camsys_regulator_t dovdd;
258 camsys_regulator_t dvdd;
259 camsys_regulator_t afvdd;
263 camsys_gpio_t afpwrdn;
266 camsys_extdev_phy_t phy;
267 camsys_extdev_clk_t clk;
268 unsigned int dev_cfg;
269 struct platform_device *pdev;
270 struct list_head list;
271 struct list_head active;
274 typedef struct camsys_phyinfo_s {
277 camsys_meminfo_t *reg;
278 int (*clkin_cb)(void *ptr, unsigned int on);
279 int (*ops)(void *ptr, camsys_mipiphy_t *phy);
280 int (*remove)(struct platform_device *pdev);
283 typedef struct camsys_exdevs_s {
285 struct list_head list;
286 struct list_head active;
289 typedef struct camsys_dma_buf_s {
290 struct dma_buf *dma_buf;
291 struct dma_buf_attachment *attach;
292 struct sg_table *sgt;
297 typedef struct camsys_dev_s {
300 camsys_devmems_t devmems;
301 struct miscdevice miscdev;
303 camsys_phyinfo_t *mipiphy;
304 camsys_phyinfo_t cifphy;
306 camsys_exdevs_t extdevs;
307 struct list_head list;
308 struct platform_device *pdev;
312 camsys_meminfo_t *csiphy_reg;
313 camsys_meminfo_t *dsiphy_reg;
314 camsys_meminfo_t *isp0_reg;
316 unsigned long rk_grf_base;
317 unsigned long rk_cru_base;
318 unsigned long rk_isp_base;
320 struct iommu_domain *domain;
321 camsys_dma_buf_t dma_buf[CAMSYS_DMA_BUF_MAX_NUM];
324 int (*clkin_cb)(void *ptr, unsigned int on);
325 int (*clkout_cb)(void *ptr, unsigned int on, unsigned int clk);
326 int (*reset_cb)(void *ptr, unsigned int on);
329 (camsys_extdev_t *extdev,
330 camsys_sysctrl_t *devctl, void *ptr);
331 int (*iomux)(camsys_extdev_t *extdev, void *ptr);
332 int (*platform_remove)(struct platform_device *pdev);
333 int (*flash_trigger_cb)(void *ptr, int mode, unsigned int on);
334 int (*iommu_cb)(void *ptr, camsys_sysctrl_t *devctl);
338 static inline camsys_extdev_t *camsys_find_extdev(
339 unsigned int dev_id, camsys_dev_t *camsys_dev)
341 camsys_extdev_t *extdev = NULL;
343 if (!list_empty(&camsys_dev->extdevs.list)) {
344 list_for_each_entry(extdev,
345 &camsys_dev->extdevs.list, list) {
346 if (extdev->dev_id == dev_id) {
354 static inline camsys_meminfo_t *camsys_find_devmem(
355 char *name, camsys_dev_t *camsys_dev)
357 camsys_meminfo_t *devmem;
359 if (!list_empty(&camsys_dev->devmems.memslist)) {
360 list_for_each_entry(devmem,
361 &camsys_dev->devmems.memslist, list) {
362 if (strcmp(devmem->name, name) == 0) {
367 camsys_err("%s memory have not been find in %s!",
368 name, dev_name(camsys_dev->miscdev.this_device));
372 static inline int camsys_sysctl_extdev(
373 camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
376 camsys_regulator_t *regulator;
379 if ((devctl->ops > CamSys_Vdd_Start_Tag) &&
380 (devctl->ops < CamSys_Vdd_End_Tag)) {
381 regulator = &extdev->avdd;
382 regulator += devctl->ops-1;
384 if (!IS_ERR_OR_NULL(regulator->ldo)) {
386 err = regulator_set_voltage(
387 regulator->ldo, regulator->min_uv,
389 err |= regulator_enable(regulator->ldo);
391 "Sysctl %d success, regulator set (%d,%d) uv!",
392 devctl->ops, regulator->min_uv,
395 while (regulator_is_enabled(regulator->ldo) > 0)
396 regulator_disable(regulator->ldo);
398 "Sysctl %d success, regulator off!",
405 } else if ((devctl->ops > CamSys_Gpio_Start_Tag) &&
406 (devctl->ops < CamSys_Gpio_End_Tag)) {
407 gpio = &extdev->pwrdn;
408 gpio += devctl->ops - CamSys_Gpio_Start_Tag -1;
410 if (gpio->io != 0xffffffff) {
412 gpio_direction_output(gpio->io, gpio->active);
413 gpio_set_value(gpio->io, gpio->active);
415 "Sysctl %d success, gpio(%d) set %d",
416 devctl->ops, gpio->io, gpio->active);
418 gpio_direction_output(gpio->io, !gpio->active);
419 gpio_set_value(gpio->io, !gpio->active);
421 "Sysctl %d success, gpio(%d) set %d",
422 devctl->ops, gpio->io, !gpio->active);
425 camsys_trace(1, "Sysctl %d not do, because gpio is NULL",
430 } else if (devctl->ops == CamSys_ClkIn) {
431 if (camsys_dev->clkout_cb)
432 camsys_dev->clkout_cb
433 (camsys_dev, devctl->on,
434 extdev->clk.in_rate);
435 } else if (devctl->ops == CamSys_Phy) {
436 if (camsys_dev->phy_cb)
446 extern struct file_operations camsys_fops;