2 * Copyright (C) 2012 ROCKCHIP, Inc.
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
15 #define pr_fmt(fmt) "rga: " fmt
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/module.h>
19 #include <linux/platform_device.h>
20 #include <linux/sched.h>
21 #include <linux/mutex.h>
22 #include <linux/err.h>
23 #include <linux/clk.h>
24 #include <asm/delay.h>
25 #include <linux/dma-mapping.h>
26 #include <linux/delay.h>
28 #include <linux/irq.h>
29 #include <linux/interrupt.h>
31 #include <asm/uaccess.h>
32 #include <linux/miscdevice.h>
33 #include <linux/poll.h>
34 #include <linux/delay.h>
35 #include <linux/wait.h>
36 #include <linux/syscalls.h>
37 #include <linux/timer.h>
38 #include <linux/time.h>
39 #include <asm/cacheflush.h>
40 #include <linux/slab.h>
42 #include <linux/wakelock.h>
43 #include <linux/scatterlist.h>
44 #include <linux/rockchip_ion.h>
45 #include <linux/version.h>
46 #include <linux/pm_runtime.h>
47 #include <linux/dma-buf.h>
50 #include "rga2_reg_info.h"
51 #include "rga2_mmu_info.h"
55 #if defined(CONFIG_RK_IOMMU) && defined(CONFIG_ION_ROCKCHIP)
56 #define CONFIG_RGA_IOMMU
59 #define RGA2_TEST_FLUSH_TIME 0
60 #define RGA2_INFO_BUS_ERROR 1
61 #define RGA2_POWER_OFF_DELAY 4*HZ /* 4s */
62 #define RGA2_TIMEOUT_DELAY (HZ / 10) /* 100ms */
63 #define RGA2_MAJOR 255
64 #define RGA2_RESET_TIMEOUT 1000
66 /* Driver information */
67 #define DRIVER_DESC "RGA2 Device Driver"
68 #define DRIVER_NAME "rga2"
69 #define RGA2_VERSION "2.000"
76 rga2_session rga2_session_global;
77 long (*rga_ioctl_kernel_p)(struct rga_req *);
79 struct rga2_drvdata_t {
80 struct miscdevice miscdev;
85 struct delayed_work power_off_work;
86 struct wake_lock wake_lock;
87 void (*rga_irq_callback)(int rga_retval);
89 struct clk *aclk_rga2;
90 struct clk *hclk_rga2;
93 struct ion_client * ion_client;
97 struct rga2_drvdata_t *rga2_drvdata;
98 struct rga2_service_info rga2_service;
99 struct rga2_mmu_buf_t rga2_mmu_buf;
101 static int rga2_blit_async(rga2_session *session, struct rga2_req *req);
102 static void rga2_del_running_list(void);
103 static void rga2_del_running_list_timeout(void);
104 static void rga2_try_set_reg(void);
110 #define DBG(format, args...) printk(KERN_DEBUG "%s: " format, DRIVER_NAME, ## args)
111 #define ERR(format, args...) printk(KERN_ERR "%s: " format, DRIVER_NAME, ## args)
112 #define WARNING(format, args...) printk(KERN_WARN "%s: " format, DRIVER_NAME, ## args)
113 #define INFO(format, args...) printk(KERN_INFO "%s: " format, DRIVER_NAME, ## args)
115 #define DBG(format, args...)
116 #define ERR(format, args...)
117 #define WARNING(format, args...)
118 #define INFO(format, args...)
122 static void print_info(struct rga2_req *req)
124 printk("render_mode=%d bitblt_mode=%d rotate_mode=%.8x\n",
125 req->render_mode, req->bitblt_mode, req->rotate_mode);
126 printk("src : y=%.lx uv=%.lx v=%.lx format=%d aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d \n",
127 req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format,
128 req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h,
129 req->src.x_offset, req->src.y_offset);
130 printk("dst : y=%lx uv=%lx v=%lx format=%d aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d \n",
131 req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr, req->dst.format,
132 req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h,
133 req->dst.x_offset, req->dst.y_offset);
134 printk("mmu : src=%.2x src1=%.2x dst=%.2x els=%.2x\n",
135 req->mmu_info.src0_mmu_flag, req->mmu_info.src1_mmu_flag,
136 req->mmu_info.dst_mmu_flag, req->mmu_info.els_mmu_flag);
137 printk("alpha : flag %.8x mode0=%.8x mode1=%.8x\n",
138 req->alpha_rop_flag, req->alpha_mode_0, req->alpha_mode_1);
142 static inline void rga2_write(u32 b, u32 r)
144 *((volatile unsigned int *)(rga2_drvdata->rga_base + r)) = b;
147 static inline u32 rga2_read(u32 r)
149 return *((volatile unsigned int *)(rga2_drvdata->rga_base + r));
152 static inline int rga2_init_version(void)
154 struct rga2_drvdata_t *rga = rga2_drvdata;
155 u32 major_version, minor_version;
159 pr_err("rga2_drvdata is null\n");
162 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
163 pm_runtime_get_sync(rga2_drvdata->dev);
166 clk_prepare_enable(rga2_drvdata->aclk_rga2);
167 clk_prepare_enable(rga2_drvdata->hclk_rga2);
169 reg_version = rga2_read(0x028);
171 clk_disable_unprepare(rga2_drvdata->aclk_rga2);
172 clk_disable_unprepare(rga2_drvdata->hclk_rga2);
174 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
175 pm_runtime_put(rga2_drvdata->dev);
178 major_version = (reg_version & RGA2_MAJOR_VERSION_MASK) >> 24;
179 minor_version = (reg_version & RGA2_MINOR_VERSION_MASK) >> 20;
182 * some old rga ip has no rga version register, so force set to 2.00
184 if (!major_version && !minor_version)
186 sprintf(rga->version, "%d.%02d", major_version, minor_version);
191 static void rga2_soft_reset(void)
196 rga2_write((1 << 3) | (1 << 4) | (1 << 6), RGA2_SYS_CTRL);
198 for(i = 0; i < RGA2_RESET_TIMEOUT; i++)
200 reg = rga2_read(RGA2_SYS_CTRL) & 1; //RGA_SYS_CTRL
208 if(i == RGA2_RESET_TIMEOUT)
209 ERR("soft reset timeout.\n");
212 static void rga2_dump(void)
215 struct rga2_reg *reg, *reg_tmp;
216 rga2_session *session, *session_tmp;
218 running = atomic_read(&rga2_service.total_running);
219 printk("rga total_running %d\n", running);
220 list_for_each_entry_safe(session, session_tmp, &rga2_service.session,
223 printk("session pid %d:\n", session->pid);
224 running = atomic_read(&session->task_running);
225 printk("task_running %d\n", running);
226 list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)
228 printk("waiting register set 0x%.lu\n", (unsigned long)reg);
230 list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
232 printk("running register set 0x%.lu\n", (unsigned long)reg);
237 static inline void rga2_queue_power_off_work(void)
239 queue_delayed_work(system_wq, &rga2_drvdata->power_off_work,
240 RGA2_POWER_OFF_DELAY);
243 /* Caller must hold rga_service.lock */
244 static void rga2_power_on(void)
247 ktime_t now = ktime_get();
249 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
250 pm_runtime_get_sync(rga2_drvdata->dev);
253 if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
254 cancel_delayed_work_sync(&rga2_drvdata->power_off_work);
255 rga2_queue_power_off_work();
259 if (rga2_service.enable)
262 clk_prepare_enable(rga2_drvdata->rga2);
263 clk_prepare_enable(rga2_drvdata->aclk_rga2);
264 clk_prepare_enable(rga2_drvdata->hclk_rga2);
265 wake_lock(&rga2_drvdata->wake_lock);
266 rga2_service.enable = true;
269 /* Caller must hold rga_service.lock */
270 static void rga2_power_off(void)
274 if (!rga2_service.enable) {
278 total_running = atomic_read(&rga2_service.total_running);
280 pr_err("power off when %d task running!!\n", total_running);
282 pr_err("delay 50 ms for running task\n");
286 clk_disable_unprepare(rga2_drvdata->rga2);
287 clk_disable_unprepare(rga2_drvdata->aclk_rga2);
288 clk_disable_unprepare(rga2_drvdata->hclk_rga2);
290 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
291 pm_runtime_put(rga2_drvdata->dev);
294 wake_unlock(&rga2_drvdata->wake_lock);
296 rga2_service.enable = false;
299 static void rga2_power_off_work(struct work_struct *work)
301 if (mutex_trylock(&rga2_service.lock)) {
303 mutex_unlock(&rga2_service.lock);
305 /* Come back later if the device is busy... */
306 rga2_queue_power_off_work();
310 static int rga2_flush(rga2_session *session, unsigned long arg)
315 #if RGA2_TEST_FLUSH_TIME
321 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
323 if (unlikely(ret_timeout < 0)) {
324 //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
325 mutex_lock(&rga2_service.lock);
326 rga2_del_running_list();
327 mutex_unlock(&rga2_service.lock);
329 } else if (0 == ret_timeout) {
330 //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
331 //printk("bus = %.8x\n", rga_read(RGA_INT));
332 mutex_lock(&rga2_service.lock);
333 rga2_del_running_list_timeout();
335 mutex_unlock(&rga2_service.lock);
339 #if RGA2_TEST_FLUSH_TIME
341 end = ktime_sub(end, start);
342 printk("one flush wait time %d\n", (int)ktime_to_us(end));
349 static int rga2_get_result(rga2_session *session, unsigned long arg)
354 num_done = atomic_read(&session->num_done);
355 if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
356 printk("copy_to_user failed\n");
363 static int rga2_check_param(const struct rga2_req *req)
365 if(!((req->render_mode == color_fill_mode)))
367 if (unlikely((req->src.act_w <= 0) || (req->src.act_w > 8191) || (req->src.act_h <= 0) || (req->src.act_h > 8191)))
369 printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
374 if(!((req->render_mode == color_fill_mode)))
376 if (unlikely((req->src.vir_w <= 0) || (req->src.vir_w > 8191) || (req->src.vir_h <= 0) || (req->src.vir_h > 8191)))
378 printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
383 //check dst width and height
384 if (unlikely((req->dst.act_w <= 0) || (req->dst.act_w > 4096) || (req->dst.act_h <= 0) || (req->dst.act_h > 4096)))
386 printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
390 if (unlikely((req->dst.vir_w <= 0) || (req->dst.vir_w > 4096) || (req->dst.vir_h <= 0) || (req->dst.vir_h > 4096)))
392 printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
397 if(unlikely(req->src.vir_w < req->src.act_w)){
398 printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
403 if(unlikely(req->dst.vir_w < req->dst.act_w)){
404 if(req->rotate_mode != 1)
406 printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
414 static void rga2_copy_reg(struct rga2_reg *reg, uint32_t offset)
420 if(atomic_read(®->session->task_running) != 0)
421 printk(KERN_ERR "task_running is no zero\n");
423 atomic_add(1, &rga2_service.cmd_num);
424 atomic_add(1, ®->session->task_running);
426 cmd_buf = (uint32_t *)rga2_service.cmd_buff + offset*32;
427 reg_p = (uint32_t *)reg->cmd_reg;
430 cmd_buf[i] = reg_p[i];
434 static struct rga2_reg * rga2_reg_init(rga2_session *session, struct rga2_req *req)
437 struct rga2_reg *reg = kzalloc(sizeof(struct rga2_reg), GFP_KERNEL);
439 pr_err("kmalloc fail in rga_reg_init\n");
443 reg->session = session;
444 INIT_LIST_HEAD(®->session_link);
445 INIT_LIST_HEAD(®->status_link);
447 reg->MMU_base = NULL;
449 if ((req->mmu_info.src0_mmu_flag & 1) || (req->mmu_info.src1_mmu_flag & 1)
450 || (req->mmu_info.dst_mmu_flag & 1) || (req->mmu_info.els_mmu_flag & 1))
452 ret = rga2_set_mmu_info(reg, req);
454 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
462 if(RGA2_gen_reg_info((uint8_t *)reg->cmd_reg, req) == -1) {
463 printk("gen reg info error\n");
470 reg->sg_src0 = req->sg_src0;
471 reg->sg_dst = req->sg_dst;
472 reg->sg_src1 = req->sg_src1;
473 reg->attach_src0 = req->attach_src0;
474 reg->attach_dst = req->attach_dst;
475 reg->attach_src1 = req->attach_src1;
477 mutex_lock(&rga2_service.lock);
478 list_add_tail(®->status_link, &rga2_service.waiting);
479 list_add_tail(®->session_link, &session->waiting);
480 mutex_unlock(&rga2_service.lock);
486 /* Caller must hold rga_service.lock */
487 static void rga2_reg_deinit(struct rga2_reg *reg)
489 list_del_init(®->session_link);
490 list_del_init(®->status_link);
494 /* Caller must hold rga_service.lock */
495 static void rga2_reg_from_wait_to_run(struct rga2_reg *reg)
497 list_del_init(®->status_link);
498 list_add_tail(®->status_link, &rga2_service.running);
500 list_del_init(®->session_link);
501 list_add_tail(®->session_link, ®->session->running);
504 /* Caller must hold rga_service.lock */
505 static void rga2_service_session_clear(rga2_session *session)
507 struct rga2_reg *reg, *n;
509 list_for_each_entry_safe(reg, n, &session->waiting, session_link)
511 rga2_reg_deinit(reg);
514 list_for_each_entry_safe(reg, n, &session->running, session_link)
516 rga2_reg_deinit(reg);
520 /* Caller must hold rga_service.lock */
521 static void rga2_try_set_reg(void)
523 struct rga2_reg *reg ;
525 if (list_empty(&rga2_service.running))
527 if (!list_empty(&rga2_service.waiting))
530 reg = list_entry(rga2_service.waiting.next, struct rga2_reg, status_link);
535 rga2_copy_reg(reg, 0);
536 rga2_reg_from_wait_to_run(reg);
539 dmac_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
540 outer_flush_range(virt_to_phys(&rga2_service.cmd_buff[0]),virt_to_phys(&rga2_service.cmd_buff[32]));
541 #elif defined(CONFIG_ARM64)
542 __dma_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
547 rga2_write(0x0, RGA2_SYS_CTRL);
550 rga2_write(virt_to_phys(rga2_service.cmd_buff), RGA2_CMD_BASE);
555 p = rga2_service.cmd_buff;
558 printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);
563 rga2_write((0x1<<1)|(0x1<<2)|(0x1<<5)|(0x1<<6), RGA2_SYS_CTRL);
565 /* All CMD finish int */
566 rga2_write(rga2_read(RGA2_INT)|(0x1<<10)|(0x1<<9)|(0x1<<8), RGA2_INT);
569 rga2_start = ktime_get();
573 atomic_set(®->session->done, 0);
574 rga2_write(0x1, RGA2_CMD_CTRL);
579 printk("CMD_READ_BACK_REG\n");
581 printk("%.8x %.8x %.8x %.8x\n", rga2_read(0x100 + i*16 + 0),
582 rga2_read(0x100 + i*16 + 4), rga2_read(0x100 + i*16 + 8), rga2_read(0x100 + i*16 + 12));
589 static int rga2_put_dma_buf(struct rga2_req *req, struct rga2_reg *reg)
591 struct dma_buf_attachment *attach = NULL;
592 struct sg_table *sgt = NULL;
593 struct dma_buf *dma_buf = NULL;
598 attach = (!reg) ? req->attach_src0 : reg->attach_src0;
599 sgt = (!reg) ? req->sg_src0 : reg->sg_src0;
601 dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
603 dma_buf = attach->dmabuf;
604 dma_buf_detach(dma_buf, attach);
605 dma_buf_put(dma_buf);
608 attach = (!reg) ? req->attach_dst : reg->attach_dst;
609 sgt = (!reg) ? req->sg_dst : reg->sg_dst;
611 dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
613 dma_buf = attach->dmabuf;
614 dma_buf_detach(dma_buf, attach);
615 dma_buf_put(dma_buf);
618 attach = (!reg) ? req->attach_src1 : reg->attach_src1;
619 sgt = (!reg) ? req->sg_src1 : reg->sg_src1;
621 dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
623 dma_buf = attach->dmabuf;
624 dma_buf_detach(dma_buf, attach);
625 dma_buf_put(dma_buf);
631 static void rga2_del_running_list(void)
633 struct rga2_mmu_buf_t *tbuf = &rga2_mmu_buf;
634 struct rga2_reg *reg;
636 while (!list_empty(&rga2_service.running)) {
637 reg = list_entry(rga2_service.running.next, struct rga2_reg,
639 if (reg->MMU_len && tbuf) {
640 if (tbuf->back + reg->MMU_len > 2 * tbuf->size)
641 tbuf->back = reg->MMU_len + tbuf->size;
643 tbuf->back += reg->MMU_len;
646 rga2_put_dma_buf(NULL, reg);
648 atomic_sub(1, ®->session->task_running);
649 atomic_sub(1, &rga2_service.total_running);
651 if(list_empty(®->session->waiting))
653 atomic_set(®->session->done, 1);
654 wake_up(®->session->wait);
657 rga2_reg_deinit(reg);
661 static void rga2_del_running_list_timeout(void)
663 struct rga2_mmu_buf_t *tbuf = &rga2_mmu_buf;
664 struct rga2_reg *reg;
666 while (!list_empty(&rga2_service.running)) {
667 reg = list_entry(rga2_service.running.next, struct rga2_reg,
669 kfree(reg->MMU_base);
670 if (reg->MMU_len && tbuf) {
671 if (tbuf->back + reg->MMU_len > 2 * tbuf->size)
672 tbuf->back = reg->MMU_len + tbuf->size;
674 tbuf->back += reg->MMU_len;
677 rga2_put_dma_buf(NULL, reg);
679 atomic_sub(1, ®->session->task_running);
680 atomic_sub(1, &rga2_service.total_running);
682 if (list_empty(®->session->waiting)) {
683 atomic_set(®->session->done, 1);
684 wake_up(®->session->wait);
686 rga2_reg_deinit(reg);
691 static int rga2_get_img_info(rga_img_info_t *img,
694 struct sg_table **psgt,
695 struct dma_buf_attachment **pattach)
697 struct dma_buf_attachment *attach = NULL;
698 struct ion_client *ion_client = NULL;
699 struct ion_handle *hdl = NULL;
700 struct device *rga_dev = NULL;
701 struct sg_table *sgt = NULL;
702 struct dma_buf *dma_buf = NULL;
704 ion_phys_addr_t phy_addr;
709 ion_client = rga2_drvdata->ion_client;
710 rga_dev = rga2_drvdata->dev;
711 yrgb_addr = (int)img->yrgb_addr;
716 if (buf_gem_type_dma) {
717 dma_buf = dma_buf_get(img->yrgb_addr);
718 if (IS_ERR(dma_buf)) {
720 pr_err("dma_buf_get fail fd[%d]\n", yrgb_addr);
724 attach = dma_buf_attach(dma_buf, rga_dev);
725 if (IS_ERR(attach)) {
726 dma_buf_put(dma_buf);
728 pr_err("Failed to attach dma_buf\n");
733 sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
736 pr_err("Failed to map src attachment\n");
741 pr_err("Fix it please enable iommu flag\n");
745 hdl = ion_import_dma_buf(ion_client, img->yrgb_addr);
748 pr_err("RGA2 ERROR ion buf handle\n");
752 sgt = ion_sg_table(ion_client, hdl);
755 pr_err("Fail map src attachment\n");
763 img->yrgb_addr = img->uv_addr;
764 img->uv_addr = img->yrgb_addr + (vir_w * vir_h);
765 img->v_addr = img->uv_addr + (vir_w * vir_h) / 4;
767 ion_phys(ion_client, hdl, &phy_addr, &len);
768 img->yrgb_addr = phy_addr;
769 img->uv_addr = img->yrgb_addr + (vir_w * vir_h);
770 img->v_addr = img->uv_addr + (vir_w * vir_h) / 4;
773 img->yrgb_addr = img->uv_addr;
774 img->uv_addr = img->yrgb_addr + (vir_w * vir_h);
775 img->v_addr = img->uv_addr + (vir_w * vir_h) / 4;
779 ion_free(ion_client, hdl);
785 ion_free(ion_client, hdl);
786 if (sgt && buf_gem_type_dma)
787 dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
789 dma_buf = attach->dmabuf;
790 dma_buf_detach(dma_buf, attach);
792 dma_buf_put(dma_buf);
797 static int rga2_get_dma_buf(struct rga2_req *req)
799 struct dma_buf *dma_buf = NULL;
800 u8 buf_gem_type_dma = 0;
804 buf_gem_type_dma = req->buf_type & RGA_BUF_GEM_TYPE_DMA;
809 req->attach_src0 = NULL;
810 req->attach_dst = NULL;
811 req->attach_src1 = NULL;
812 mmu_flag = req->mmu_info.src0_mmu_flag;
813 ret = rga2_get_img_info(&req->src, mmu_flag, buf_gem_type_dma,
814 &req->sg_src0, &req->attach_src0);
816 pr_err("src:rga2_get_img_info fail\n");
820 mmu_flag = req->mmu_info.dst_mmu_flag;
821 ret = rga2_get_img_info(&req->dst, mmu_flag, buf_gem_type_dma,
822 &req->sg_dst, &req->attach_dst);
824 pr_err("dst:rga2_get_img_info fail\n");
828 mmu_flag = req->mmu_info.src1_mmu_flag;
829 ret = rga2_get_img_info(&req->src1, mmu_flag, buf_gem_type_dma,
830 &req->sg_src1, &req->attach_src1);
832 pr_err("src1:rga2_get_img_info fail\n");
839 if (buf_gem_type_dma && req->sg_dst && req->attach_dst) {
840 dma_buf_unmap_attachment(req->attach_dst,
841 req->sg_dst, DMA_BIDIRECTIONAL);
842 dma_buf = req->attach_dst->dmabuf;
843 dma_buf_detach(dma_buf, req->attach_dst);
844 dma_buf_put(dma_buf);
847 if (buf_gem_type_dma && req->sg_src0 && req->attach_src0) {
848 dma_buf_unmap_attachment(req->attach_src0,
849 req->sg_src0, DMA_BIDIRECTIONAL);
850 dma_buf = req->attach_src0->dmabuf;
851 dma_buf_detach(dma_buf, req->attach_src0);
852 dma_buf_put(dma_buf);
859 static int rga2_blit(rga2_session *session, struct rga2_req *req)
863 struct rga2_reg *reg;
865 if (rga2_get_dma_buf(req)) {
866 pr_err("RGA2 : DMA buf copy error\n");
871 /* check value if legal */
872 ret = rga2_check_param(req);
874 pr_err("req argument is inval\n");
875 goto err_put_dma_buf;
878 reg = rga2_reg_init(session, req);
880 pr_err("init reg fail\n");
881 goto err_put_dma_buf;
885 mutex_lock(&rga2_service.lock);
886 atomic_add(num, &rga2_service.total_running);
888 mutex_unlock(&rga2_service.lock);
895 rga2_put_dma_buf(req, NULL);
900 static int rga2_blit_async(rga2_session *session, struct rga2_req *req)
905 if (1) {//req->src.format >= 0x10) {
908 printk("*** rga_blit_async proc ***\n");
913 atomic_set(&session->done, 0);
914 ret = rga2_blit(session, req);
919 static int rga2_blit_sync(rga2_session *session, struct rga2_req *req)
921 struct rga2_req req_bak;
927 memcpy(&req_bak, req, sizeof(req_bak));
931 if (1) {//req->bitblt_mode == 0x2) {
934 printk("*** rga2_blit_sync proc ***\n");
940 atomic_set(&session->done, 0);
942 ret = rga2_blit(session, req);
946 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
948 if (unlikely(ret_timeout< 0))
950 //pr_err("sync pid %d wait task ret %d\n", session->pid, ret_timeout);
951 mutex_lock(&rga2_service.lock);
952 rga2_del_running_list();
953 mutex_unlock(&rga2_service.lock);
956 else if (0 == ret_timeout)
958 //pr_err("sync pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
959 mutex_lock(&rga2_service.lock);
960 rga2_del_running_list_timeout();
962 mutex_unlock(&rga2_service.lock);
967 rga2_end = ktime_get();
968 rga2_end = ktime_sub(rga2_end, rga2_start);
969 printk("sync one cmd end time %d\n", (int)ktime_to_us(rga2_end));
971 if (ret == -ETIMEDOUT && try--) {
972 memcpy(req, &req_bak, sizeof(req_bak));
974 * if rga work timeout with scaling, need do a non-scale work
975 * first, restore hardware status, then do actually work.
977 if (req->src.act_w != req->dst.act_w ||
978 req->src.act_h != req->dst.act_h) {
979 req->src.act_w = MIN(320, MIN(req->src.act_w,
981 req->src.act_h = MIN(240, MIN(req->src.act_h,
983 req->dst.act_w = req->src.act_w;
984 req->dst.act_h = req->src.act_h;
989 if (!ret && restore) {
990 memcpy(req, &req_bak, sizeof(req_bak));
998 static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
1000 struct rga2_drvdata_t *rga = rga2_drvdata;
1001 struct rga2_req req, req_first;
1002 struct rga_req req_rga;
1004 rga2_session *session;
1007 pr_err("rga2_drvdata is null, rga2 is not init\n");
1010 memset(&req, 0x0, sizeof(req));
1012 mutex_lock(&rga2_service.mutex);
1014 session = (rga2_session *)file->private_data;
1016 if (NULL == session)
1018 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
1019 mutex_unlock(&rga2_service.mutex);
1023 memset(&req, 0x0, sizeof(req));
1028 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
1030 ERR("copy_from_user failed\n");
1034 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
1036 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
1037 memcpy(&req_first, &req, sizeof(struct rga2_req));
1038 if ((req_first.src.act_w != req_first.dst.act_w)
1039 || (req_first.src.act_h != req_first.dst.act_h)) {
1040 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
1041 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
1042 req_first.dst.act_w = req_first.src.act_w;
1043 req_first.dst.act_h = req_first.src.act_h;
1044 ret = rga2_blit_async(session, &req_first);
1046 ret = rga2_blit_sync(session, &req);
1047 first_RGA2_proc = 1;
1050 ret = rga2_blit_sync(session, &req);
1053 case RGA_BLIT_ASYNC:
1054 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
1056 ERR("copy_from_user failed\n");
1061 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
1063 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
1064 memcpy(&req_first, &req, sizeof(struct rga2_req));
1065 if ((req_first.src.act_w != req_first.dst.act_w)
1066 || (req_first.src.act_h != req_first.dst.act_h)) {
1067 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
1068 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
1069 req_first.dst.act_w = req_first.src.act_w;
1070 req_first.dst.act_h = req_first.src.act_h;
1071 ret = rga2_blit_async(session, &req_first);
1073 ret = rga2_blit_async(session, &req);
1074 first_RGA2_proc = 1;
1077 ret = rga2_blit_async(session, &req);
1080 case RGA2_BLIT_SYNC:
1081 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
1083 ERR("copy_from_user failed\n");
1087 ret = rga2_blit_sync(session, &req);
1089 case RGA2_BLIT_ASYNC:
1090 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
1092 ERR("copy_from_user failed\n");
1097 if((atomic_read(&rga2_service.total_running) > 16))
1099 ret = rga2_blit_sync(session, &req);
1103 ret = rga2_blit_async(session, &req);
1108 ret = rga2_flush(session, arg);
1110 case RGA_GET_RESULT:
1111 case RGA2_GET_RESULT:
1112 ret = rga2_get_result(session, arg);
1114 case RGA_GET_VERSION:
1115 case RGA2_GET_VERSION:
1116 ret = copy_to_user((void *)arg, rga->version, 16);
1119 ERR("unknown ioctl cmd!\n");
1124 mutex_unlock(&rga2_service.mutex);
1129 #ifdef CONFIG_COMPAT
1130 static long compat_rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
1132 struct rga2_drvdata_t *rga = rga2_drvdata;
1133 struct rga2_req req, req_first;
1134 struct rga_req_32 req_rga;
1136 rga2_session *session;
1139 pr_err("rga2_drvdata is null, rga2 is not init\n");
1142 memset(&req, 0x0, sizeof(req));
1144 mutex_lock(&rga2_service.mutex);
1146 session = (rga2_session *)file->private_data;
1149 printk("use compat_rga_ioctl\n");
1152 if (NULL == session) {
1153 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
1154 mutex_unlock(&rga2_service.mutex);
1158 memset(&req, 0x0, sizeof(req));
1162 if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
1164 ERR("copy_from_user failed\n");
1169 RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
1171 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
1172 memcpy(&req_first, &req, sizeof(struct rga2_req));
1173 if ((req_first.src.act_w != req_first.dst.act_w)
1174 || (req_first.src.act_h != req_first.dst.act_h)) {
1175 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
1176 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
1177 req_first.dst.act_w = req_first.src.act_w;
1178 req_first.dst.act_h = req_first.src.act_h;
1179 ret = rga2_blit_async(session, &req_first);
1181 ret = rga2_blit_sync(session, &req);
1182 first_RGA2_proc = 1;
1185 ret = rga2_blit_sync(session, &req);
1188 case RGA_BLIT_ASYNC:
1189 if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
1191 ERR("copy_from_user failed\n");
1195 RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
1197 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
1198 memcpy(&req_first, &req, sizeof(struct rga2_req));
1199 if ((req_first.src.act_w != req_first.dst.act_w)
1200 || (req_first.src.act_h != req_first.dst.act_h)) {
1201 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
1202 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
1203 req_first.dst.act_w = req_first.src.act_w;
1204 req_first.dst.act_h = req_first.src.act_h;
1205 ret = rga2_blit_async(session, &req_first);
1207 ret = rga2_blit_sync(session, &req);
1208 first_RGA2_proc = 1;
1211 ret = rga2_blit_sync(session, &req);
1214 //if((atomic_read(&rga2_service.total_running) > 8))
1215 // ret = rga2_blit_sync(session, &req);
1217 // ret = rga2_blit_async(session, &req);
1220 case RGA2_BLIT_SYNC:
1221 if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
1223 ERR("copy_from_user failed\n");
1227 ret = rga2_blit_sync(session, &req);
1229 case RGA2_BLIT_ASYNC:
1230 if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
1232 ERR("copy_from_user failed\n");
1237 if((atomic_read(&rga2_service.total_running) > 16))
1238 ret = rga2_blit_sync(session, &req);
1240 ret = rga2_blit_async(session, &req);
1245 ret = rga2_flush(session, arg);
1247 case RGA_GET_RESULT:
1248 case RGA2_GET_RESULT:
1249 ret = rga2_get_result(session, arg);
1251 case RGA_GET_VERSION:
1252 case RGA2_GET_VERSION:
1253 ret = copy_to_user((void *)arg, rga->version, 16);
1256 ERR("unknown ioctl cmd!\n");
1261 mutex_unlock(&rga2_service.mutex);
1268 long rga2_ioctl_kernel(struct rga_req *req_rga)
1271 rga2_session *session;
1272 struct rga2_req req;
1274 memset(&req, 0x0, sizeof(req));
1275 mutex_lock(&rga2_service.mutex);
1276 session = &rga2_session_global;
1277 if (NULL == session)
1279 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
1280 mutex_unlock(&rga2_service.mutex);
1284 RGA_MSG_2_RGA2_MSG(req_rga, &req);
1285 ret = rga2_blit_sync(session, &req);
1286 mutex_unlock(&rga2_service.mutex);
1292 static int rga2_open(struct inode *inode, struct file *file)
1294 rga2_session *session = kzalloc(sizeof(rga2_session), GFP_KERNEL);
1296 if (NULL == session) {
1297 pr_err("unable to allocate memory for rga_session.");
1301 session->pid = current->pid;
1302 INIT_LIST_HEAD(&session->waiting);
1303 INIT_LIST_HEAD(&session->running);
1304 INIT_LIST_HEAD(&session->list_session);
1305 init_waitqueue_head(&session->wait);
1306 mutex_lock(&rga2_service.lock);
1307 list_add_tail(&session->list_session, &rga2_service.session);
1308 mutex_unlock(&rga2_service.lock);
1309 atomic_set(&session->task_running, 0);
1310 atomic_set(&session->num_done, 0);
1311 file->private_data = (void *)session;
1313 return nonseekable_open(inode, file);
1316 static int rga2_release(struct inode *inode, struct file *file)
1319 rga2_session *session = (rga2_session *)file->private_data;
1321 if (NULL == session)
1324 task_running = atomic_read(&session->task_running);
1327 pr_err("rga2_service session %d still has %d task running when closing\n", session->pid, task_running);
1331 wake_up(&session->wait);
1332 mutex_lock(&rga2_service.lock);
1333 list_del(&session->list_session);
1334 rga2_service_session_clear(session);
1336 mutex_unlock(&rga2_service.lock);
1341 static irqreturn_t rga2_irq_thread(int irq, void *dev_id)
1343 mutex_lock(&rga2_service.lock);
1344 if (rga2_service.enable) {
1345 rga2_del_running_list();
1348 mutex_unlock(&rga2_service.lock);
1353 static irqreturn_t rga2_irq(int irq, void *dev_id)
1356 rga2_write(rga2_read(RGA2_INT) | (0x1<<4) | (0x1<<5) | (0x1<<6) | (0x1<<7), RGA2_INT);
1358 return IRQ_WAKE_THREAD;
1361 struct file_operations rga2_fops = {
1362 .owner = THIS_MODULE,
1364 .release = rga2_release,
1365 .unlocked_ioctl = rga_ioctl,
1366 #ifdef CONFIG_COMPAT
1367 .compat_ioctl = compat_rga_ioctl,
1371 static struct miscdevice rga2_dev ={
1372 .minor = RGA2_MAJOR,
1377 static const struct of_device_id rockchip_rga_dt_ids[] = {
1378 { .compatible = "rockchip,rga2", },
1382 static int rga2_drv_probe(struct platform_device *pdev)
1384 struct rga2_drvdata_t *data;
1385 struct resource *res;
1387 struct device_node *np = pdev->dev.of_node;
1389 mutex_init(&rga2_service.lock);
1390 mutex_init(&rga2_service.mutex);
1391 atomic_set(&rga2_service.total_running, 0);
1392 atomic_set(&rga2_service.src_format_swt, 0);
1393 rga2_service.last_prc_src_format = 1; /* default is yuv first*/
1394 rga2_service.enable = false;
1396 rga_ioctl_kernel_p = rga2_ioctl_kernel;
1398 data = devm_kzalloc(&pdev->dev, sizeof(struct rga2_drvdata_t), GFP_KERNEL);
1401 ERR("failed to allocate driver data.\n");
1405 INIT_DELAYED_WORK(&data->power_off_work, rga2_power_off_work);
1406 wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
1408 data->rga2 = devm_clk_get(&pdev->dev, "clk_rga");
1409 data->aclk_rga2 = devm_clk_get(&pdev->dev, "aclk_rga");
1410 data->hclk_rga2 = devm_clk_get(&pdev->dev, "hclk_rga");
1412 /* map the registers */
1413 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1414 data->rga_base = devm_ioremap_resource(&pdev->dev, res);
1415 if (!data->rga_base) {
1416 ERR("rga ioremap failed\n");
1422 data->irq = platform_get_irq(pdev, 0);
1423 if (data->irq <= 0) {
1424 ERR("failed to get rga irq resource (%d).\n", data->irq);
1429 /* request the IRQ */
1430 ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga2_irq, rga2_irq_thread, 0, "rga", pdev);
1433 ERR("rga request_irq failed (%d).\n", ret);
1437 platform_set_drvdata(pdev, data);
1438 data->dev = &pdev->dev;
1439 rga2_drvdata = data;
1440 of_property_read_u32(np, "dev_mode", &rga2_service.dev_mode);
1442 #if defined(CONFIG_ION_ROCKCHIP)
1443 data->ion_client = rockchip_ion_client_create("rga");
1444 if (IS_ERR(data->ion_client)) {
1445 dev_err(&pdev->dev, "failed to create ion client for rga");
1446 return PTR_ERR(data->ion_client);
1448 dev_info(&pdev->dev, "rga ion client create success!\n");
1452 ret = misc_register(&rga2_dev);
1455 ERR("cannot register miscdev (%d)\n", ret);
1456 goto err_misc_register;
1458 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
1459 pm_runtime_enable(&pdev->dev);
1461 rga2_init_version();
1462 pr_info("Driver loaded successfully ver:%s\n", rga2_drvdata->version);
1467 free_irq(data->irq, pdev);
1469 iounmap(data->rga_base);
1471 wake_lock_destroy(&data->wake_lock);
1477 static int rga2_drv_remove(struct platform_device *pdev)
1479 struct rga2_drvdata_t *data = platform_get_drvdata(pdev);
1480 DBG("%s [%d]\n",__FUNCTION__,__LINE__);
1482 wake_lock_destroy(&data->wake_lock);
1483 misc_deregister(&(data->miscdev));
1484 free_irq(data->irq, &data->miscdev);
1485 iounmap((void __iomem *)(data->rga_base));
1487 devm_clk_put(&pdev->dev, data->rga2);
1488 devm_clk_put(&pdev->dev, data->aclk_rga2);
1489 devm_clk_put(&pdev->dev, data->hclk_rga2);
1491 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
1492 pm_runtime_disable(&pdev->dev);
1499 static struct platform_driver rga2_driver = {
1500 .probe = rga2_drv_probe,
1501 .remove = rga2_drv_remove,
1503 .owner = THIS_MODULE,
1505 .of_match_table = of_match_ptr(rockchip_rga_dt_ids),
1510 void rga2_test_0(void);
1512 static int __init rga2_init(void)
1517 /* malloc pre scale mid buf mmu table */
1518 buf_p = kmalloc(1024*256, GFP_KERNEL);
1519 rga2_mmu_buf.buf_virtual = buf_p;
1520 rga2_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((unsigned long)buf_p));
1521 rga2_mmu_buf.front = 0;
1522 rga2_mmu_buf.back = 64*1024;
1523 rga2_mmu_buf.size = 64*1024;
1525 rga2_mmu_buf.pages = kmalloc(32768 * sizeof(struct page *), GFP_KERNEL);
1527 ret = platform_driver_register(&rga2_driver);
1529 printk(KERN_ERR "Platform device register failed (%d).\n", ret);
1533 rga2_session_global.pid = 0x0000ffff;
1534 INIT_LIST_HEAD(&rga2_session_global.waiting);
1535 INIT_LIST_HEAD(&rga2_session_global.running);
1536 INIT_LIST_HEAD(&rga2_session_global.list_session);
1538 INIT_LIST_HEAD(&rga2_service.waiting);
1539 INIT_LIST_HEAD(&rga2_service.running);
1540 INIT_LIST_HEAD(&rga2_service.done);
1541 INIT_LIST_HEAD(&rga2_service.session);
1542 init_waitqueue_head(&rga2_session_global.wait);
1543 //mutex_lock(&rga_service.lock);
1544 list_add_tail(&rga2_session_global.list_session, &rga2_service.session);
1545 //mutex_unlock(&rga_service.lock);
1546 atomic_set(&rga2_session_global.task_running, 0);
1547 atomic_set(&rga2_session_global.num_done, 0);
1553 INFO("Module initialized.\n");
1558 static void __exit rga2_exit(void)
1562 if (rga2_mmu_buf.buf_virtual)
1563 kfree(rga2_mmu_buf.buf_virtual);
1565 platform_driver_unregister(&rga2_driver);
1571 void rga2_test_0(void)
1573 struct rga2_req req;
1574 rga2_session session;
1575 unsigned int *src, *dst;
1577 session.pid = current->pid;
1578 INIT_LIST_HEAD(&session.waiting);
1579 INIT_LIST_HEAD(&session.running);
1580 INIT_LIST_HEAD(&session.list_session);
1581 init_waitqueue_head(&session.wait);
1582 /* no need to protect */
1583 list_add_tail(&session.list_session, &rga2_service.session);
1584 atomic_set(&session.task_running, 0);
1585 atomic_set(&session.num_done, 0);
1587 memset(&req, 0, sizeof(struct rga2_req));
1588 src = kmalloc(800*480*4, GFP_KERNEL);
1589 dst = kmalloc(800*480*4, GFP_KERNEL);
1591 printk("\n********************************\n");
1592 printk("************ RGA2_TEST ************\n");
1593 printk("********************************\n\n");
1596 memset(src, 0x80, 800 * 480 * 4);
1597 memset(dst, 0xcc, 800 * 480 * 4);
1600 dmac_flush_range(src, &src[800 * 480]);
1601 outer_flush_range(virt_to_phys(src), virt_to_phys(&src[800 * 480]));
1603 dmac_flush_range(dst, &dst[800 * 480]);
1604 outer_flush_range(virt_to_phys(dst), virt_to_phys(&dst[800 * 480]));
1612 req.pat.yrgb_addr = virt_to_phys(src);
1613 req.render_mode = 0;
1614 rga2_blit_sync(&session, &req);
1620 sp = (uint8_t *)src;
1621 for (j = 0; j < 240; j++) {
1622 sp = (uint8_t *)src + j * 320 * 10 / 8;
1623 for (i = 0; i < 320; i++) {
1626 sp[i * 5 / 4+1] = 0x1;
1627 } else if ((i & 3) == 1) {
1628 sp[i * 5 / 4+1] = 0x4;
1629 } else if ((i & 3) == 2) {
1630 sp[i * 5 / 4+1] = 0x10;
1631 } else if ((i & 3) == 3) {
1632 sp[i * 5 / 4+1] = 0x40;
1636 sp = (uint8_t *)src;
1637 for (j = 0; j < 100; j++)
1638 printk("src %.2x\n", sp[j]);
1640 req.src.act_w = 320;
1641 req.src.act_h = 240;
1643 req.src.vir_w = 320;
1644 req.src.vir_h = 240;
1645 req.src.yrgb_addr = 0;//(uint32_t)virt_to_phys(src);
1646 req.src.uv_addr = (unsigned long)virt_to_phys(src);
1648 req.src.format = RGA2_FORMAT_YCbCr_420_SP_10B;
1650 req.dst.act_w = 320;
1651 req.dst.act_h = 240;
1652 req.dst.x_offset = 0;
1653 req.dst.y_offset = 0;
1655 req.dst.vir_w = 320;
1656 req.dst.vir_h = 240;
1658 req.dst.yrgb_addr = 0;//((uint32_t)virt_to_phys(dst));
1659 req.dst.uv_addr = (unsigned long)virt_to_phys(dst);
1660 req.dst.format = RGA2_FORMAT_YCbCr_420_SP;
1664 //req.render_mode = color_fill_mode;
1665 //req.fg_color = 0x80ffffff;
1667 req.rotate_mode = 0;
1668 req.scale_bicu_mode = 2;
1671 //req.alpha_rop_flag = 0;
1672 //req.alpha_rop_mode = 0x19;
1675 //req.mmu_info.mmu_flag = 0x21;
1676 //req.mmu_info.mmu_en = 1;
1678 //printk("src = %.8x\n", req.src.yrgb_addr);
1679 //printk("src = %.8x\n", req.src.uv_addr);
1680 //printk("dst = %.8x\n", req.dst.yrgb_addr);
1683 rga2_blit_sync(&session, &req);
1687 for (j = 0; j < 320 * 240 * 10 / 8; j++) {
1688 if (src[j] != dst[j])
1689 printk("error value dst not equal src j %d, s %.2x d %.2x\n",
1697 uint8_t *dp = (uint8_t *)dst;
1699 for (j = 0; j < 100; j++)
1700 printk("%d %.2x\n", j, dp[j]);
1711 module_init(rga2_init);
1712 module_exit(rga2_exit);
1714 /* Module information */
1715 MODULE_AUTHOR("zsq@rock-chips.com");
1716 MODULE_DESCRIPTION("Driver for rga device");
1717 MODULE_LICENSE("GPL");