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.
161 1) modify mipiphy_hsfreqrange for 3368.
163 1) correct mipiphy_hsfreqrange of 3368.
164 2) add csi-phy timing setting for 3368.
166 1) add reference count for marvin.
168 1) delete node in irqpool list when thread disconnect.
170 #define CAMSYS_DRIVER_VERSION KERNEL_VERSION(0, 0x22, 0)
172 #define CAMSYS_PLATFORM_DRV_NAME "RockChip-CamSys"
173 #define CAMSYS_PLATFORM_MARVIN_NAME "Platform_MarvinDev"
174 #define CAMSYS_PLATFORM_CIF0_NAME "Platform_Cif0Dev"
175 #define CAMSYS_PLATFORM_CIF1_NAME "Platform_Cif1Dev"
177 #define CAMSYS_REGISTER_RES_NAME "CamSys_RegMem"
178 #define CAMSYS_REGISTER_MIPIPHY_RES_NAME "CamSys_RegMem_MipiPhy"
179 #define CAMSYS_IRQ_RES_NAME "CamSys_Irq"
181 #define CAMSYS_REGISTER_MEM_NAME CAMSYS_REGISTER_RES_NAME
182 #define CAMSYS_I2C_MEM_NAME "CamSys_I2cMem"
183 #define CAMSYS_MIPIPHY_MEM_NAME \
184 CAMSYS_REGISTER_MIPIPHY_RES_NAME
186 #define CAMSYS_NAMELEN_MIN(a) \
187 ((strlen(a) > (CAMSYS_NAME_LEN-1))?(CAMSYS_NAME_LEN-1):strlen(a))
188 #define CAMSYS_IRQPOOL_NUM 128
189 #define CAMSYS_DMA_BUF_MAX_NUM 32
191 extern unsigned int camsys_debug;
193 #define camsys_trace(level, msg, ...) \
195 if (camsys_debug >= level) \
196 printk("D%d:%s(%d): " msg "\n", level,\
197 __FUNCTION__, __LINE__, ## __VA_ARGS__); \
200 #define camsys_warn(msg, ...) \
201 printk(KERN_ERR "W:%s(%d): " msg "\n", __FUNCTION__,\
202 __LINE__, ## __VA_ARGS__)
203 #define camsys_err(msg, ...) \
204 printk(KERN_ERR "E:%s(%d): " msg "\n", __FUNCTION__,\
205 __LINE__, ## __VA_ARGS__)
207 typedef struct camsys_irqstas_s {
209 struct list_head list;
212 typedef struct camsys_irqpool_s {
214 unsigned int timeout;/* us */
217 spinlock_t lock;/* lock for list */
218 camsys_irqstas_t pool[CAMSYS_IRQPOOL_NUM];
219 struct list_head active;
220 struct list_head deactive;
222 struct list_head list;
224 wait_queue_head_t done;
227 typedef struct camsys_irq_s {
229 /* lock for timeout and irq_connect in ioctl */
231 struct list_head irq_pool;
234 typedef struct camsys_meminfo_s {
235 unsigned char name[32];
236 unsigned long phy_base;
237 unsigned long vir_base;
240 struct list_head list;
243 typedef struct camsys_devmems_s {
244 camsys_meminfo_t *registermem;
245 camsys_meminfo_t *i2cmem;
246 struct list_head memslist;
249 typedef struct camsys_regulator_s {
250 struct regulator *ldo;
253 } camsys_regulator_t;
255 typedef struct camsys_gpio_s {
259 typedef struct camsys_flash_s {
264 typedef struct camsys_extdev_s {
265 unsigned char dev_name[CAMSYS_NAME_LEN];
267 camsys_regulator_t avdd;
268 camsys_regulator_t dovdd;
269 camsys_regulator_t dvdd;
270 camsys_regulator_t afvdd;
274 camsys_gpio_t afpwrdn;
277 camsys_extdev_phy_t phy;
278 camsys_extdev_clk_t clk;
279 unsigned int dev_cfg;
280 struct platform_device *pdev;
281 struct list_head list;
282 struct list_head active;
285 typedef struct camsys_phyinfo_s {
288 camsys_meminfo_t *reg;
289 int (*clkin_cb)(void *ptr, unsigned int on);
290 int (*ops)(void *ptr, camsys_mipiphy_t *phy);
291 int (*remove)(struct platform_device *pdev);
294 typedef struct camsys_exdevs_s {
296 struct list_head list;
297 struct list_head active;
300 typedef struct camsys_dma_buf_s {
301 struct dma_buf *dma_buf;
302 struct dma_buf_attachment *attach;
303 struct sg_table *sgt;
308 typedef struct camsys_dev_s {
311 camsys_devmems_t devmems;
312 struct miscdevice miscdev;
314 camsys_phyinfo_t *mipiphy;
315 camsys_phyinfo_t cifphy;
317 camsys_exdevs_t extdevs;
318 struct list_head list;
319 struct platform_device *pdev;
323 camsys_meminfo_t *csiphy_reg;
324 camsys_meminfo_t *dsiphy_reg;
325 camsys_meminfo_t *isp0_reg;
327 unsigned long rk_grf_base;
328 unsigned long rk_cru_base;
329 unsigned long rk_isp_base;
331 struct iommu_domain *domain;
332 camsys_dma_buf_t dma_buf[CAMSYS_DMA_BUF_MAX_NUM];
335 int (*clkin_cb)(void *ptr, unsigned int on);
336 int (*clkout_cb)(void *ptr, unsigned int on, unsigned int clk);
337 int (*reset_cb)(void *ptr, unsigned int on);
340 (camsys_extdev_t *extdev,
341 camsys_sysctrl_t *devctl, void *ptr);
342 int (*iomux)(camsys_extdev_t *extdev, void *ptr);
343 int (*platform_remove)(struct platform_device *pdev);
344 int (*flash_trigger_cb)(void *ptr, int mode, unsigned int on);
345 int (*iommu_cb)(void *ptr, camsys_sysctrl_t *devctl);
349 static inline camsys_extdev_t *camsys_find_extdev(
350 unsigned int dev_id, camsys_dev_t *camsys_dev)
352 camsys_extdev_t *extdev = NULL;
354 if (!list_empty(&camsys_dev->extdevs.list)) {
355 list_for_each_entry(extdev,
356 &camsys_dev->extdevs.list, list) {
357 if (extdev->dev_id == dev_id) {
365 static inline camsys_meminfo_t *camsys_find_devmem(
366 char *name, camsys_dev_t *camsys_dev)
368 camsys_meminfo_t *devmem;
370 if (!list_empty(&camsys_dev->devmems.memslist)) {
371 list_for_each_entry(devmem,
372 &camsys_dev->devmems.memslist, list) {
373 if (strcmp(devmem->name, name) == 0) {
378 camsys_err("%s memory have not been find in %s!",
379 name, dev_name(camsys_dev->miscdev.this_device));
383 static inline int camsys_sysctl_extdev(
384 camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
387 camsys_regulator_t *regulator;
390 if ((devctl->ops > CamSys_Vdd_Start_Tag) &&
391 (devctl->ops < CamSys_Vdd_End_Tag)) {
392 regulator = &extdev->avdd;
393 regulator += devctl->ops-1;
395 if (!IS_ERR_OR_NULL(regulator->ldo)) {
397 err = regulator_set_voltage(
398 regulator->ldo, regulator->min_uv,
400 err |= regulator_enable(regulator->ldo);
402 "Sysctl %d success, regulator set (%d,%d) uv!",
403 devctl->ops, regulator->min_uv,
406 while (regulator_is_enabled(regulator->ldo) > 0)
407 regulator_disable(regulator->ldo);
409 "Sysctl %d success, regulator off!",
416 } else if ((devctl->ops > CamSys_Gpio_Start_Tag) &&
417 (devctl->ops < CamSys_Gpio_End_Tag)) {
418 gpio = &extdev->pwrdn;
419 gpio += devctl->ops - CamSys_Gpio_Start_Tag -1;
421 if (gpio->io != 0xffffffff) {
423 gpio_direction_output(gpio->io, gpio->active);
424 gpio_set_value(gpio->io, gpio->active);
426 "Sysctl %d success, gpio(%d) set %d",
427 devctl->ops, gpio->io, gpio->active);
429 gpio_direction_output(gpio->io, !gpio->active);
430 gpio_set_value(gpio->io, !gpio->active);
432 "Sysctl %d success, gpio(%d) set %d",
433 devctl->ops, gpio->io, !gpio->active);
436 camsys_trace(1, "Sysctl %d not do, because gpio is NULL",
441 } else if (devctl->ops == CamSys_ClkIn) {
442 if (camsys_dev->clkout_cb)
443 camsys_dev->clkout_cb
444 (camsys_dev, devctl->on,
445 extdev->clk.in_rate);
446 } else if (devctl->ops == CamSys_Phy) {
447 if (camsys_dev->phy_cb)
457 extern struct file_operations camsys_fops;