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 #define CAMSYS_DRIVER_VERSION KERNEL_VERSION(0, 0x21, 0xe)
168 #define CAMSYS_PLATFORM_DRV_NAME "RockChip-CamSys"
169 #define CAMSYS_PLATFORM_MARVIN_NAME "Platform_MarvinDev"
170 #define CAMSYS_PLATFORM_CIF0_NAME "Platform_Cif0Dev"
171 #define CAMSYS_PLATFORM_CIF1_NAME "Platform_Cif1Dev"
173 #define CAMSYS_REGISTER_RES_NAME "CamSys_RegMem"
174 #define CAMSYS_REGISTER_MIPIPHY_RES_NAME "CamSys_RegMem_MipiPhy"
175 #define CAMSYS_IRQ_RES_NAME "CamSys_Irq"
177 #define CAMSYS_REGISTER_MEM_NAME CAMSYS_REGISTER_RES_NAME
178 #define CAMSYS_I2C_MEM_NAME "CamSys_I2cMem"
179 #define CAMSYS_MIPIPHY_MEM_NAME \
180 CAMSYS_REGISTER_MIPIPHY_RES_NAME
182 #define CAMSYS_NAMELEN_MIN(a) \
183 ((strlen(a) > (CAMSYS_NAME_LEN-1))?(CAMSYS_NAME_LEN-1):strlen(a))
184 #define CAMSYS_IRQPOOL_NUM 128
185 #define CAMSYS_DMA_BUF_MAX_NUM 32
187 extern unsigned int camsys_debug;
189 #define camsys_trace(level, msg, ...) \
191 if (camsys_debug >= level) \
192 printk("D%d:%s(%d): " msg "\n", level,\
193 __FUNCTION__, __LINE__, ## __VA_ARGS__); \
196 #define camsys_warn(msg, ...) \
197 printk(KERN_ERR "W:%s(%d): " msg "\n", __FUNCTION__,\
198 __LINE__, ## __VA_ARGS__)
199 #define camsys_err(msg, ...) \
200 printk(KERN_ERR "E:%s(%d): " msg "\n", __FUNCTION__,\
201 __LINE__, ## __VA_ARGS__)
203 typedef struct camsys_irqstas_s {
205 struct list_head list;
208 typedef struct camsys_irqpool_s {
210 unsigned int timeout;/* us */
213 spinlock_t lock;/* lock for list */
214 camsys_irqstas_t pool[CAMSYS_IRQPOOL_NUM];
215 struct list_head active;
216 struct list_head deactive;
218 struct list_head list;
220 wait_queue_head_t done;
223 typedef struct camsys_irq_s {
225 /* lock for timeout and irq_connect in ioctl */
227 struct list_head irq_pool;
230 typedef struct camsys_meminfo_s {
231 unsigned char name[32];
232 unsigned long phy_base;
233 unsigned long vir_base;
236 struct list_head list;
239 typedef struct camsys_devmems_s {
240 camsys_meminfo_t *registermem;
241 camsys_meminfo_t *i2cmem;
242 struct list_head memslist;
245 typedef struct camsys_regulator_s {
246 struct regulator *ldo;
249 } camsys_regulator_t;
251 typedef struct camsys_gpio_s {
255 typedef struct camsys_flash_s {
260 typedef struct camsys_extdev_s {
261 unsigned char dev_name[CAMSYS_NAME_LEN];
263 camsys_regulator_t avdd;
264 camsys_regulator_t dovdd;
265 camsys_regulator_t dvdd;
266 camsys_regulator_t afvdd;
270 camsys_gpio_t afpwrdn;
273 camsys_extdev_phy_t phy;
274 camsys_extdev_clk_t clk;
275 unsigned int dev_cfg;
276 struct platform_device *pdev;
277 struct list_head list;
278 struct list_head active;
281 typedef struct camsys_phyinfo_s {
284 camsys_meminfo_t *reg;
285 int (*clkin_cb)(void *ptr, unsigned int on);
286 int (*ops)(void *ptr, camsys_mipiphy_t *phy);
287 int (*remove)(struct platform_device *pdev);
290 typedef struct camsys_exdevs_s {
292 struct list_head list;
293 struct list_head active;
296 typedef struct camsys_dma_buf_s {
297 struct dma_buf *dma_buf;
298 struct dma_buf_attachment *attach;
299 struct sg_table *sgt;
304 typedef struct camsys_dev_s {
307 camsys_devmems_t devmems;
308 struct miscdevice miscdev;
310 camsys_phyinfo_t *mipiphy;
311 camsys_phyinfo_t cifphy;
313 camsys_exdevs_t extdevs;
314 struct list_head list;
315 struct platform_device *pdev;
319 camsys_meminfo_t *csiphy_reg;
320 camsys_meminfo_t *dsiphy_reg;
321 camsys_meminfo_t *isp0_reg;
323 unsigned long rk_grf_base;
324 unsigned long rk_cru_base;
325 unsigned long rk_isp_base;
327 struct iommu_domain *domain;
328 camsys_dma_buf_t dma_buf[CAMSYS_DMA_BUF_MAX_NUM];
331 int (*clkin_cb)(void *ptr, unsigned int on);
332 int (*clkout_cb)(void *ptr, unsigned int on, unsigned int clk);
333 int (*reset_cb)(void *ptr, unsigned int on);
336 (camsys_extdev_t *extdev,
337 camsys_sysctrl_t *devctl, void *ptr);
338 int (*iomux)(camsys_extdev_t *extdev, void *ptr);
339 int (*platform_remove)(struct platform_device *pdev);
340 int (*flash_trigger_cb)(void *ptr, int mode, unsigned int on);
341 int (*iommu_cb)(void *ptr, camsys_sysctrl_t *devctl);
345 static inline camsys_extdev_t *camsys_find_extdev(
346 unsigned int dev_id, camsys_dev_t *camsys_dev)
348 camsys_extdev_t *extdev = NULL;
350 if (!list_empty(&camsys_dev->extdevs.list)) {
351 list_for_each_entry(extdev,
352 &camsys_dev->extdevs.list, list) {
353 if (extdev->dev_id == dev_id) {
361 static inline camsys_meminfo_t *camsys_find_devmem(
362 char *name, camsys_dev_t *camsys_dev)
364 camsys_meminfo_t *devmem;
366 if (!list_empty(&camsys_dev->devmems.memslist)) {
367 list_for_each_entry(devmem,
368 &camsys_dev->devmems.memslist, list) {
369 if (strcmp(devmem->name, name) == 0) {
374 camsys_err("%s memory have not been find in %s!",
375 name, dev_name(camsys_dev->miscdev.this_device));
379 static inline int camsys_sysctl_extdev(
380 camsys_extdev_t *extdev, camsys_sysctrl_t *devctl, camsys_dev_t *camsys_dev)
383 camsys_regulator_t *regulator;
386 if ((devctl->ops > CamSys_Vdd_Start_Tag) &&
387 (devctl->ops < CamSys_Vdd_End_Tag)) {
388 regulator = &extdev->avdd;
389 regulator += devctl->ops-1;
391 if (!IS_ERR_OR_NULL(regulator->ldo)) {
393 err = regulator_set_voltage(
394 regulator->ldo, regulator->min_uv,
396 err |= regulator_enable(regulator->ldo);
398 "Sysctl %d success, regulator set (%d,%d) uv!",
399 devctl->ops, regulator->min_uv,
402 while (regulator_is_enabled(regulator->ldo) > 0)
403 regulator_disable(regulator->ldo);
405 "Sysctl %d success, regulator off!",
412 } else if ((devctl->ops > CamSys_Gpio_Start_Tag) &&
413 (devctl->ops < CamSys_Gpio_End_Tag)) {
414 gpio = &extdev->pwrdn;
415 gpio += devctl->ops - CamSys_Gpio_Start_Tag -1;
417 if (gpio->io != 0xffffffff) {
419 gpio_direction_output(gpio->io, gpio->active);
420 gpio_set_value(gpio->io, gpio->active);
422 "Sysctl %d success, gpio(%d) set %d",
423 devctl->ops, gpio->io, gpio->active);
425 gpio_direction_output(gpio->io, !gpio->active);
426 gpio_set_value(gpio->io, !gpio->active);
428 "Sysctl %d success, gpio(%d) set %d",
429 devctl->ops, gpio->io, !gpio->active);
432 camsys_trace(1, "Sysctl %d not do, because gpio is NULL",
437 } else if (devctl->ops == CamSys_ClkIn) {
438 if (camsys_dev->clkout_cb)
439 camsys_dev->clkout_cb
440 (camsys_dev, devctl->on,
441 extdev->clk.in_rate);
442 } else if (devctl->ops == CamSys_Phy) {
443 if (camsys_dev->phy_cb)
453 extern struct file_operations camsys_fops;