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 2*HZ /* 2s */
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;
96 struct rga2_drvdata_t *rga2_drvdata;
97 struct rga2_service_info rga2_service;
98 struct rga2_mmu_buf_t rga2_mmu_buf;
100 static int rga2_blit_async(rga2_session *session, struct rga2_req *req);
101 static void rga2_del_running_list(void);
102 static void rga2_del_running_list_timeout(void);
103 static void rga2_try_set_reg(void);
109 #define DBG(format, args...) printk(KERN_DEBUG "%s: " format, DRIVER_NAME, ## args)
110 #define ERR(format, args...) printk(KERN_ERR "%s: " format, DRIVER_NAME, ## args)
111 #define WARNING(format, args...) printk(KERN_WARN "%s: " format, DRIVER_NAME, ## args)
112 #define INFO(format, args...) printk(KERN_INFO "%s: " format, DRIVER_NAME, ## args)
114 #define DBG(format, args...)
115 #define ERR(format, args...)
116 #define WARNING(format, args...)
117 #define INFO(format, args...)
121 static void print_info(struct rga2_req *req)
123 printk("render_mode=%d bitblt_mode=%d rotate_mode=%.8x\n",
124 req->render_mode, req->bitblt_mode, req->rotate_mode);
125 printk("src : y=%.lx uv=%.lx v=%.lx format=%d aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d \n",
126 req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format,
127 req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h,
128 req->src.x_offset, req->src.y_offset);
129 printk("dst : y=%lx uv=%lx v=%lx format=%d aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d \n",
130 req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr, req->dst.format,
131 req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h,
132 req->dst.x_offset, req->dst.y_offset);
133 printk("mmu : src=%.2x src1=%.2x dst=%.2x els=%.2x\n",
134 req->mmu_info.src0_mmu_flag, req->mmu_info.src1_mmu_flag,
135 req->mmu_info.dst_mmu_flag, req->mmu_info.els_mmu_flag);
136 printk("alpha : flag %.8x mode0=%.8x mode1=%.8x\n",
137 req->alpha_rop_flag, req->alpha_mode_0, req->alpha_mode_1);
141 static inline void rga2_write(u32 b, u32 r)
143 *((volatile unsigned int *)(rga2_drvdata->rga_base + r)) = b;
146 static inline u32 rga2_read(u32 r)
148 return *((volatile unsigned int *)(rga2_drvdata->rga_base + r));
151 static void rga2_soft_reset(void)
156 rga2_write((1 << 3) | (1 << 4), RGA2_SYS_CTRL); //RGA_SYS_CTRL
158 for(i = 0; i < RGA2_RESET_TIMEOUT; i++)
160 reg = rga2_read(RGA2_SYS_CTRL) & 1; //RGA_SYS_CTRL
168 if(i == RGA2_RESET_TIMEOUT)
169 ERR("soft reset timeout.\n");
172 static void rga2_dump(void)
175 struct rga2_reg *reg, *reg_tmp;
176 rga2_session *session, *session_tmp;
178 running = atomic_read(&rga2_service.total_running);
179 printk("rga total_running %d\n", running);
180 list_for_each_entry_safe(session, session_tmp, &rga2_service.session,
183 printk("session pid %d:\n", session->pid);
184 running = atomic_read(&session->task_running);
185 printk("task_running %d\n", running);
186 list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)
188 printk("waiting register set 0x%.lu\n", (unsigned long)reg);
190 list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
192 printk("running register set 0x%.lu\n", (unsigned long)reg);
197 static inline void rga2_queue_power_off_work(void)
199 queue_delayed_work(system_wq, &rga2_drvdata->power_off_work,
200 RGA2_POWER_OFF_DELAY);
203 /* Caller must hold rga_service.lock */
204 static void rga2_power_on(void)
207 ktime_t now = ktime_get();
209 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
210 pm_runtime_get_sync(rga2_drvdata->dev);
213 if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
214 cancel_delayed_work_sync(&rga2_drvdata->power_off_work);
215 rga2_queue_power_off_work();
219 if (rga2_service.enable)
222 clk_prepare_enable(rga2_drvdata->rga2);
223 clk_prepare_enable(rga2_drvdata->aclk_rga2);
224 clk_prepare_enable(rga2_drvdata->hclk_rga2);
225 wake_lock(&rga2_drvdata->wake_lock);
226 rga2_service.enable = true;
229 /* Caller must hold rga_service.lock */
230 static void rga2_power_off(void)
234 if (!rga2_service.enable) {
238 total_running = atomic_read(&rga2_service.total_running);
240 pr_err("power off when %d task running!!\n", total_running);
242 pr_err("delay 50 ms for running task\n");
246 clk_disable_unprepare(rga2_drvdata->rga2);
247 clk_disable_unprepare(rga2_drvdata->aclk_rga2);
248 clk_disable_unprepare(rga2_drvdata->hclk_rga2);
250 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
251 pm_runtime_put(rga2_drvdata->dev);
254 wake_unlock(&rga2_drvdata->wake_lock);
256 rga2_service.enable = false;
259 static void rga2_power_off_work(struct work_struct *work)
261 if (mutex_trylock(&rga2_service.lock)) {
263 mutex_unlock(&rga2_service.lock);
265 /* Come back later if the device is busy... */
266 rga2_queue_power_off_work();
270 static int rga2_flush(rga2_session *session, unsigned long arg)
275 #if RGA2_TEST_FLUSH_TIME
281 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
283 if (unlikely(ret_timeout < 0)) {
284 //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
285 mutex_lock(&rga2_service.lock);
286 rga2_del_running_list();
287 mutex_unlock(&rga2_service.lock);
289 } else if (0 == ret_timeout) {
290 //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
291 //printk("bus = %.8x\n", rga_read(RGA_INT));
292 mutex_lock(&rga2_service.lock);
293 rga2_del_running_list_timeout();
295 mutex_unlock(&rga2_service.lock);
299 #if RGA2_TEST_FLUSH_TIME
301 end = ktime_sub(end, start);
302 printk("one flush wait time %d\n", (int)ktime_to_us(end));
309 static int rga2_get_result(rga2_session *session, unsigned long arg)
314 num_done = atomic_read(&session->num_done);
315 if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
316 printk("copy_to_user failed\n");
323 static int rga2_check_param(const struct rga2_req *req)
325 if(!((req->render_mode == color_fill_mode)))
327 if (unlikely((req->src.act_w <= 0) || (req->src.act_w > 8191) || (req->src.act_h <= 0) || (req->src.act_h > 8191)))
329 printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
334 if(!((req->render_mode == color_fill_mode)))
336 if (unlikely((req->src.vir_w <= 0) || (req->src.vir_w > 8191) || (req->src.vir_h <= 0) || (req->src.vir_h > 8191)))
338 printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
343 //check dst width and height
344 if (unlikely((req->dst.act_w <= 0) || (req->dst.act_w > 4096) || (req->dst.act_h <= 0) || (req->dst.act_h > 4096)))
346 printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
350 if (unlikely((req->dst.vir_w <= 0) || (req->dst.vir_w > 4096) || (req->dst.vir_h <= 0) || (req->dst.vir_h > 4096)))
352 printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
357 if(unlikely(req->src.vir_w < req->src.act_w)){
358 printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
363 if(unlikely(req->dst.vir_w < req->dst.act_w)){
364 if(req->rotate_mode != 1)
366 printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
374 static void rga2_copy_reg(struct rga2_reg *reg, uint32_t offset)
380 if(atomic_read(®->session->task_running) != 0)
381 printk(KERN_ERR "task_running is no zero\n");
383 atomic_add(1, &rga2_service.cmd_num);
384 atomic_add(1, ®->session->task_running);
386 cmd_buf = (uint32_t *)rga2_service.cmd_buff + offset*32;
387 reg_p = (uint32_t *)reg->cmd_reg;
390 cmd_buf[i] = reg_p[i];
394 static struct rga2_reg * rga2_reg_init(rga2_session *session, struct rga2_req *req)
397 struct rga2_reg *reg = kzalloc(sizeof(struct rga2_reg), GFP_KERNEL);
399 pr_err("kmalloc fail in rga_reg_init\n");
403 reg->session = session;
404 INIT_LIST_HEAD(®->session_link);
405 INIT_LIST_HEAD(®->status_link);
407 reg->MMU_base = NULL;
409 if ((req->mmu_info.src0_mmu_flag & 1) || (req->mmu_info.src1_mmu_flag & 1)
410 || (req->mmu_info.dst_mmu_flag & 1) || (req->mmu_info.els_mmu_flag & 1))
412 ret = rga2_set_mmu_info(reg, req);
414 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
422 if(RGA2_gen_reg_info((uint8_t *)reg->cmd_reg, req) == -1) {
423 printk("gen reg info error\n");
430 reg->sg_src0 = req->sg_src0;
431 reg->sg_dst = req->sg_dst;
432 reg->sg_src1 = req->sg_src1;
433 reg->attach_src0 = req->attach_src0;
434 reg->attach_dst = req->attach_dst;
435 reg->attach_src1 = req->attach_src1;
437 mutex_lock(&rga2_service.lock);
438 list_add_tail(®->status_link, &rga2_service.waiting);
439 list_add_tail(®->session_link, &session->waiting);
440 mutex_unlock(&rga2_service.lock);
446 /* Caller must hold rga_service.lock */
447 static void rga2_reg_deinit(struct rga2_reg *reg)
449 list_del_init(®->session_link);
450 list_del_init(®->status_link);
454 /* Caller must hold rga_service.lock */
455 static void rga2_reg_from_wait_to_run(struct rga2_reg *reg)
457 list_del_init(®->status_link);
458 list_add_tail(®->status_link, &rga2_service.running);
460 list_del_init(®->session_link);
461 list_add_tail(®->session_link, ®->session->running);
464 /* Caller must hold rga_service.lock */
465 static void rga2_service_session_clear(rga2_session *session)
467 struct rga2_reg *reg, *n;
469 list_for_each_entry_safe(reg, n, &session->waiting, session_link)
471 rga2_reg_deinit(reg);
474 list_for_each_entry_safe(reg, n, &session->running, session_link)
476 rga2_reg_deinit(reg);
480 /* Caller must hold rga_service.lock */
481 static void rga2_try_set_reg(void)
483 struct rga2_reg *reg ;
485 if (list_empty(&rga2_service.running))
487 if (!list_empty(&rga2_service.waiting))
490 reg = list_entry(rga2_service.waiting.next, struct rga2_reg, status_link);
495 rga2_copy_reg(reg, 0);
496 rga2_reg_from_wait_to_run(reg);
499 dmac_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
500 outer_flush_range(virt_to_phys(&rga2_service.cmd_buff[0]),virt_to_phys(&rga2_service.cmd_buff[32]));
501 #elif defined(CONFIG_ARM64)
502 __dma_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
507 rga2_write(0x0, RGA2_SYS_CTRL);
510 rga2_write(virt_to_phys(rga2_service.cmd_buff), RGA2_CMD_BASE);
515 p = rga2_service.cmd_buff;
518 printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);
523 rga2_write((0x1<<1)|(0x1<<2)|(0x1<<5)|(0x1<<6), RGA2_SYS_CTRL);
525 /* All CMD finish int */
526 rga2_write(rga2_read(RGA2_INT)|(0x1<<10)|(0x1<<9)|(0x1<<8), RGA2_INT);
529 rga2_start = ktime_get();
533 atomic_set(®->session->done, 0);
534 rga2_write(0x1, RGA2_CMD_CTRL);
539 printk("CMD_READ_BACK_REG\n");
541 printk("%.8x %.8x %.8x %.8x\n", rga2_read(0x100 + i*16 + 0),
542 rga2_read(0x100 + i*16 + 4), rga2_read(0x100 + i*16 + 8), rga2_read(0x100 + i*16 + 12));
549 static int rga2_put_dma_buf(struct rga2_req *req, struct rga2_reg *reg)
551 struct dma_buf_attachment *attach = NULL;
552 struct sg_table *sgt = NULL;
553 struct dma_buf *dma_buf = NULL;
558 attach = (!reg) ? req->attach_src0 : reg->attach_src0;
559 sgt = (!reg) ? req->sg_src0 : reg->sg_src0;
561 dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
563 dma_buf = attach->dmabuf;
564 dma_buf_detach(dma_buf, attach);
565 dma_buf_put(dma_buf);
568 attach = (!reg) ? req->attach_dst : reg->attach_dst;
569 sgt = (!reg) ? req->sg_dst : reg->sg_dst;
571 dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
573 dma_buf = attach->dmabuf;
574 dma_buf_detach(dma_buf, attach);
575 dma_buf_put(dma_buf);
578 attach = (!reg) ? req->attach_src1 : reg->attach_src1;
579 sgt = (!reg) ? req->sg_src1 : reg->sg_src1;
581 dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
583 dma_buf = attach->dmabuf;
584 dma_buf_detach(dma_buf, attach);
585 dma_buf_put(dma_buf);
591 static void rga2_del_running_list(void)
593 struct rga2_mmu_buf_t *tbuf = &rga2_mmu_buf;
594 struct rga2_reg *reg;
596 while (!list_empty(&rga2_service.running)) {
597 reg = list_entry(rga2_service.running.next, struct rga2_reg,
599 if (reg->MMU_len && tbuf) {
600 if (tbuf->back + reg->MMU_len > 2 * tbuf->size)
601 tbuf->back = reg->MMU_len + tbuf->size;
603 tbuf->back += reg->MMU_len;
606 rga2_put_dma_buf(NULL, reg);
608 atomic_sub(1, ®->session->task_running);
609 atomic_sub(1, &rga2_service.total_running);
611 if(list_empty(®->session->waiting))
613 atomic_set(®->session->done, 1);
614 wake_up(®->session->wait);
617 rga2_reg_deinit(reg);
621 static void rga2_del_running_list_timeout(void)
623 struct rga2_mmu_buf_t *tbuf = &rga2_mmu_buf;
624 struct rga2_reg *reg;
626 while (!list_empty(&rga2_service.running)) {
627 reg = list_entry(rga2_service.running.next, struct rga2_reg,
629 kfree(reg->MMU_base);
630 if (reg->MMU_len && tbuf) {
631 if (tbuf->back + reg->MMU_len > 2 * tbuf->size)
632 tbuf->back = reg->MMU_len + tbuf->size;
634 tbuf->back += reg->MMU_len;
637 rga2_put_dma_buf(NULL, reg);
639 atomic_sub(1, ®->session->task_running);
640 atomic_sub(1, &rga2_service.total_running);
642 if (list_empty(®->session->waiting)) {
643 atomic_set(®->session->done, 1);
644 wake_up(®->session->wait);
646 rga2_reg_deinit(reg);
651 static int rga2_get_img_info(rga_img_info_t *img,
654 struct sg_table **psgt,
655 struct dma_buf_attachment **pattach)
657 struct dma_buf_attachment *attach = NULL;
658 struct ion_client *ion_client = NULL;
659 struct ion_handle *hdl = NULL;
660 struct device *rga_dev = NULL;
661 struct sg_table *sgt = NULL;
662 struct dma_buf *dma_buf = NULL;
664 ion_phys_addr_t phy_addr;
669 ion_client = rga2_drvdata->ion_client;
670 rga_dev = rga2_drvdata->dev;
671 yrgb_addr = (int)img->yrgb_addr;
676 if (buf_gem_type_dma) {
677 dma_buf = dma_buf_get(img->yrgb_addr);
678 if (IS_ERR(dma_buf)) {
680 pr_err("dma_buf_get fail fd[%d]\n", yrgb_addr);
684 attach = dma_buf_attach(dma_buf, rga_dev);
685 if (IS_ERR(attach)) {
686 dma_buf_put(dma_buf);
688 pr_err("Failed to attach dma_buf\n");
693 sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
696 pr_err("Failed to map src attachment\n");
701 pr_err("Fix it please enable iommu flag\n");
705 hdl = ion_import_dma_buf(ion_client, img->yrgb_addr);
708 pr_err("RGA2 ERROR ion buf handle\n");
712 sgt = ion_sg_table(ion_client, hdl);
715 pr_err("Fail map src attachment\n");
723 img->yrgb_addr = img->uv_addr;
724 img->uv_addr = img->yrgb_addr + (vir_w * vir_h);
725 img->v_addr = img->uv_addr + (vir_w * vir_h) / 4;
727 ion_phys(ion_client, hdl, &phy_addr, &len);
728 img->yrgb_addr = phy_addr;
729 img->uv_addr = img->yrgb_addr + (vir_w * vir_h);
730 img->v_addr = img->uv_addr + (vir_w * vir_h) / 4;
733 img->yrgb_addr = img->uv_addr;
734 img->uv_addr = img->yrgb_addr + (vir_w * vir_h);
735 img->v_addr = img->uv_addr + (vir_w * vir_h) / 4;
739 ion_free(ion_client, hdl);
745 ion_free(ion_client, hdl);
746 if (sgt && buf_gem_type_dma)
747 dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
749 dma_buf = attach->dmabuf;
750 dma_buf_detach(dma_buf, attach);
752 dma_buf_put(dma_buf);
757 static int rga2_get_dma_buf(struct rga2_req *req)
759 struct dma_buf *dma_buf = NULL;
760 u8 buf_gem_type_dma = 0;
764 buf_gem_type_dma = req->buf_type & RGA_BUF_GEM_TYPE_DMA;
769 req->attach_src0 = NULL;
770 req->attach_dst = NULL;
771 req->attach_src1 = NULL;
772 mmu_flag = req->mmu_info.src0_mmu_flag;
773 ret = rga2_get_img_info(&req->src, mmu_flag, buf_gem_type_dma,
774 &req->sg_src0, &req->attach_src0);
776 pr_err("src:rga2_get_img_info fail\n");
780 mmu_flag = req->mmu_info.dst_mmu_flag;
781 ret = rga2_get_img_info(&req->dst, mmu_flag, buf_gem_type_dma,
782 &req->sg_dst, &req->attach_dst);
784 pr_err("dst:rga2_get_img_info fail\n");
788 mmu_flag = req->mmu_info.src1_mmu_flag;
789 ret = rga2_get_img_info(&req->src1, mmu_flag, buf_gem_type_dma,
790 &req->sg_src1, &req->attach_src1);
792 pr_err("src1:rga2_get_img_info fail\n");
799 if (buf_gem_type_dma && req->sg_dst && req->attach_dst) {
800 dma_buf_unmap_attachment(req->attach_dst,
801 req->sg_dst, DMA_BIDIRECTIONAL);
802 dma_buf = req->attach_dst->dmabuf;
803 dma_buf_detach(dma_buf, req->attach_dst);
804 dma_buf_put(dma_buf);
807 if (buf_gem_type_dma && req->sg_src0 && req->attach_src0) {
808 dma_buf_unmap_attachment(req->attach_src0,
809 req->sg_src0, DMA_BIDIRECTIONAL);
810 dma_buf = req->attach_src0->dmabuf;
811 dma_buf_detach(dma_buf, req->attach_src0);
812 dma_buf_put(dma_buf);
819 static int rga2_blit(rga2_session *session, struct rga2_req *req)
823 struct rga2_reg *reg;
825 if (rga2_get_dma_buf(req)) {
826 pr_err("RGA2 : DMA buf copy error\n");
831 /* check value if legal */
832 ret = rga2_check_param(req);
834 pr_err("req argument is inval\n");
835 goto err_put_dma_buf;
838 reg = rga2_reg_init(session, req);
840 pr_err("init reg fail\n");
841 goto err_put_dma_buf;
845 mutex_lock(&rga2_service.lock);
846 atomic_add(num, &rga2_service.total_running);
848 mutex_unlock(&rga2_service.lock);
855 rga2_put_dma_buf(req, NULL);
860 static int rga2_blit_async(rga2_session *session, struct rga2_req *req)
865 if (1) {//req->src.format >= 0x10) {
868 printk("*** rga_blit_async proc ***\n");
873 atomic_set(&session->done, 0);
874 ret = rga2_blit(session, req);
879 static int rga2_blit_sync(rga2_session *session, struct rga2_req *req)
885 if (1) {//req->bitblt_mode == 0x2) {
888 printk("*** rga2_blit_sync proc ***\n");
894 atomic_set(&session->done, 0);
896 ret = rga2_blit(session, req);
900 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
902 if (unlikely(ret_timeout< 0))
904 //pr_err("sync pid %d wait task ret %d\n", session->pid, ret_timeout);
905 mutex_lock(&rga2_service.lock);
906 rga2_del_running_list();
907 mutex_unlock(&rga2_service.lock);
910 else if (0 == ret_timeout)
912 //pr_err("sync pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
913 mutex_lock(&rga2_service.lock);
914 rga2_del_running_list_timeout();
916 mutex_unlock(&rga2_service.lock);
921 rga2_end = ktime_get();
922 rga2_end = ktime_sub(rga2_end, rga2_start);
923 printk("sync one cmd end time %d\n", (int)ktime_to_us(rga2_end));
929 static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
931 struct rga2_req req, req_first;
932 struct rga_req req_rga;
934 rga2_session *session;
936 memset(&req, 0x0, sizeof(req));
938 mutex_lock(&rga2_service.mutex);
940 session = (rga2_session *)file->private_data;
944 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
945 mutex_unlock(&rga2_service.mutex);
949 memset(&req, 0x0, sizeof(req));
954 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
956 ERR("copy_from_user failed\n");
960 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
962 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
963 memcpy(&req_first, &req, sizeof(struct rga2_req));
964 if ((req_first.src.act_w != req_first.dst.act_w)
965 || (req_first.src.act_h != req_first.dst.act_h)) {
966 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
967 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
968 req_first.dst.act_w = req_first.src.act_w;
969 req_first.dst.act_h = req_first.src.act_h;
970 ret = rga2_blit_async(session, &req_first);
972 ret = rga2_blit_sync(session, &req);
976 ret = rga2_blit_sync(session, &req);
980 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
982 ERR("copy_from_user failed\n");
987 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
989 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
990 memcpy(&req_first, &req, sizeof(struct rga2_req));
991 if ((req_first.src.act_w != req_first.dst.act_w)
992 || (req_first.src.act_h != req_first.dst.act_h)) {
993 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
994 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
995 req_first.dst.act_w = req_first.src.act_w;
996 req_first.dst.act_h = req_first.src.act_h;
997 ret = rga2_blit_async(session, &req_first);
999 ret = rga2_blit_async(session, &req);
1000 first_RGA2_proc = 1;
1003 ret = rga2_blit_async(session, &req);
1006 case RGA2_BLIT_SYNC:
1007 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
1009 ERR("copy_from_user failed\n");
1013 ret = rga2_blit_sync(session, &req);
1015 case RGA2_BLIT_ASYNC:
1016 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
1018 ERR("copy_from_user failed\n");
1023 if((atomic_read(&rga2_service.total_running) > 16))
1025 ret = rga2_blit_sync(session, &req);
1029 ret = rga2_blit_async(session, &req);
1034 ret = rga2_flush(session, arg);
1036 case RGA_GET_RESULT:
1037 case RGA2_GET_RESULT:
1038 ret = rga2_get_result(session, arg);
1040 case RGA_GET_VERSION:
1041 case RGA2_GET_VERSION:
1042 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
1046 ERR("unknown ioctl cmd!\n");
1051 mutex_unlock(&rga2_service.mutex);
1056 #ifdef CONFIG_COMPAT
1057 static long compat_rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
1059 struct rga2_req req, req_first;
1060 struct rga_req_32 req_rga;
1062 rga2_session *session;
1064 memset(&req, 0x0, sizeof(req));
1066 mutex_lock(&rga2_service.mutex);
1068 session = (rga2_session *)file->private_data;
1071 printk("use compat_rga_ioctl\n");
1074 if (NULL == session) {
1075 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
1076 mutex_unlock(&rga2_service.mutex);
1080 memset(&req, 0x0, sizeof(req));
1084 if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
1086 ERR("copy_from_user failed\n");
1091 RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
1093 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
1094 memcpy(&req_first, &req, sizeof(struct rga2_req));
1095 if ((req_first.src.act_w != req_first.dst.act_w)
1096 || (req_first.src.act_h != req_first.dst.act_h)) {
1097 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
1098 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
1099 req_first.dst.act_w = req_first.src.act_w;
1100 req_first.dst.act_h = req_first.src.act_h;
1101 ret = rga2_blit_async(session, &req_first);
1103 ret = rga2_blit_sync(session, &req);
1104 first_RGA2_proc = 1;
1107 ret = rga2_blit_sync(session, &req);
1110 case RGA_BLIT_ASYNC:
1111 if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
1113 ERR("copy_from_user failed\n");
1117 RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
1119 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
1120 memcpy(&req_first, &req, sizeof(struct rga2_req));
1121 if ((req_first.src.act_w != req_first.dst.act_w)
1122 || (req_first.src.act_h != req_first.dst.act_h)) {
1123 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
1124 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
1125 req_first.dst.act_w = req_first.src.act_w;
1126 req_first.dst.act_h = req_first.src.act_h;
1127 ret = rga2_blit_async(session, &req_first);
1129 ret = rga2_blit_sync(session, &req);
1130 first_RGA2_proc = 1;
1133 ret = rga2_blit_sync(session, &req);
1136 //if((atomic_read(&rga2_service.total_running) > 8))
1137 // ret = rga2_blit_sync(session, &req);
1139 // ret = rga2_blit_async(session, &req);
1142 case RGA2_BLIT_SYNC:
1143 if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
1145 ERR("copy_from_user failed\n");
1149 ret = rga2_blit_sync(session, &req);
1151 case RGA2_BLIT_ASYNC:
1152 if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
1154 ERR("copy_from_user failed\n");
1159 if((atomic_read(&rga2_service.total_running) > 16))
1160 ret = rga2_blit_sync(session, &req);
1162 ret = rga2_blit_async(session, &req);
1167 ret = rga2_flush(session, arg);
1169 case RGA_GET_RESULT:
1170 case RGA2_GET_RESULT:
1171 ret = rga2_get_result(session, arg);
1173 case RGA_GET_VERSION:
1174 case RGA2_GET_VERSION:
1175 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
1179 ERR("unknown ioctl cmd!\n");
1184 mutex_unlock(&rga2_service.mutex);
1191 long rga2_ioctl_kernel(struct rga_req *req_rga)
1194 rga2_session *session;
1195 struct rga2_req req;
1197 memset(&req, 0x0, sizeof(req));
1198 mutex_lock(&rga2_service.mutex);
1199 session = &rga2_session_global;
1200 if (NULL == session)
1202 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
1203 mutex_unlock(&rga2_service.mutex);
1207 RGA_MSG_2_RGA2_MSG(req_rga, &req);
1208 ret = rga2_blit_sync(session, &req);
1209 mutex_unlock(&rga2_service.mutex);
1215 static int rga2_open(struct inode *inode, struct file *file)
1217 rga2_session *session = kzalloc(sizeof(rga2_session), GFP_KERNEL);
1219 if (NULL == session) {
1220 pr_err("unable to allocate memory for rga_session.");
1224 session->pid = current->pid;
1225 INIT_LIST_HEAD(&session->waiting);
1226 INIT_LIST_HEAD(&session->running);
1227 INIT_LIST_HEAD(&session->list_session);
1228 init_waitqueue_head(&session->wait);
1229 mutex_lock(&rga2_service.lock);
1230 list_add_tail(&session->list_session, &rga2_service.session);
1231 mutex_unlock(&rga2_service.lock);
1232 atomic_set(&session->task_running, 0);
1233 atomic_set(&session->num_done, 0);
1234 file->private_data = (void *)session;
1236 return nonseekable_open(inode, file);
1239 static int rga2_release(struct inode *inode, struct file *file)
1242 rga2_session *session = (rga2_session *)file->private_data;
1244 if (NULL == session)
1247 task_running = atomic_read(&session->task_running);
1250 pr_err("rga2_service session %d still has %d task running when closing\n", session->pid, task_running);
1254 wake_up(&session->wait);
1255 mutex_lock(&rga2_service.lock);
1256 list_del(&session->list_session);
1257 rga2_service_session_clear(session);
1259 mutex_unlock(&rga2_service.lock);
1264 static irqreturn_t rga2_irq_thread(int irq, void *dev_id)
1266 mutex_lock(&rga2_service.lock);
1267 if (rga2_service.enable) {
1268 rga2_del_running_list();
1271 mutex_unlock(&rga2_service.lock);
1276 static irqreturn_t rga2_irq(int irq, void *dev_id)
1279 rga2_write(rga2_read(RGA2_INT) | (0x1<<4) | (0x1<<5) | (0x1<<6) | (0x1<<7), RGA2_INT);
1281 return IRQ_WAKE_THREAD;
1284 struct file_operations rga2_fops = {
1285 .owner = THIS_MODULE,
1287 .release = rga2_release,
1288 .unlocked_ioctl = rga_ioctl,
1289 #ifdef CONFIG_COMPAT
1290 .compat_ioctl = compat_rga_ioctl,
1294 static struct miscdevice rga2_dev ={
1295 .minor = RGA2_MAJOR,
1300 static const struct of_device_id rockchip_rga_dt_ids[] = {
1301 { .compatible = "rockchip,rga2", },
1305 static int rga2_drv_probe(struct platform_device *pdev)
1307 struct rga2_drvdata_t *data;
1308 struct resource *res;
1310 struct device_node *np = pdev->dev.of_node;
1312 mutex_init(&rga2_service.lock);
1313 mutex_init(&rga2_service.mutex);
1314 atomic_set(&rga2_service.total_running, 0);
1315 atomic_set(&rga2_service.src_format_swt, 0);
1316 rga2_service.last_prc_src_format = 1; /* default is yuv first*/
1317 rga2_service.enable = false;
1319 rga_ioctl_kernel_p = rga2_ioctl_kernel;
1321 data = devm_kzalloc(&pdev->dev, sizeof(struct rga2_drvdata_t), GFP_KERNEL);
1324 ERR("failed to allocate driver data.\n");
1328 INIT_DELAYED_WORK(&data->power_off_work, rga2_power_off_work);
1329 wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
1331 data->rga2 = devm_clk_get(&pdev->dev, "clk_rga");
1332 data->aclk_rga2 = devm_clk_get(&pdev->dev, "aclk_rga");
1333 data->hclk_rga2 = devm_clk_get(&pdev->dev, "hclk_rga");
1335 /* map the registers */
1336 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1337 data->rga_base = devm_ioremap_resource(&pdev->dev, res);
1338 if (!data->rga_base) {
1339 ERR("rga ioremap failed\n");
1345 data->irq = platform_get_irq(pdev, 0);
1346 if (data->irq <= 0) {
1347 ERR("failed to get rga irq resource (%d).\n", data->irq);
1352 /* request the IRQ */
1353 ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga2_irq, rga2_irq_thread, 0, "rga", pdev);
1356 ERR("rga request_irq failed (%d).\n", ret);
1360 platform_set_drvdata(pdev, data);
1361 data->dev = &pdev->dev;
1362 rga2_drvdata = data;
1363 of_property_read_u32(np, "dev_mode", &rga2_service.dev_mode);
1365 #if defined(CONFIG_ION_ROCKCHIP)
1366 data->ion_client = rockchip_ion_client_create("rga");
1367 if (IS_ERR(data->ion_client)) {
1368 dev_err(&pdev->dev, "failed to create ion client for rga");
1369 return PTR_ERR(data->ion_client);
1371 dev_info(&pdev->dev, "rga ion client create success!\n");
1375 ret = misc_register(&rga2_dev);
1378 ERR("cannot register miscdev (%d)\n", ret);
1379 goto err_misc_register;
1382 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
1383 pm_runtime_enable(&pdev->dev);
1386 pr_info("Driver loaded succesfully\n");
1391 free_irq(data->irq, pdev);
1393 iounmap(data->rga_base);
1395 wake_lock_destroy(&data->wake_lock);
1401 static int rga2_drv_remove(struct platform_device *pdev)
1403 struct rga2_drvdata_t *data = platform_get_drvdata(pdev);
1404 DBG("%s [%d]\n",__FUNCTION__,__LINE__);
1406 wake_lock_destroy(&data->wake_lock);
1407 misc_deregister(&(data->miscdev));
1408 free_irq(data->irq, &data->miscdev);
1409 iounmap((void __iomem *)(data->rga_base));
1411 devm_clk_put(&pdev->dev, data->rga2);
1412 devm_clk_put(&pdev->dev, data->aclk_rga2);
1413 devm_clk_put(&pdev->dev, data->hclk_rga2);
1415 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
1416 pm_runtime_disable(&pdev->dev);
1423 static struct platform_driver rga2_driver = {
1424 .probe = rga2_drv_probe,
1425 .remove = rga2_drv_remove,
1427 .owner = THIS_MODULE,
1429 .of_match_table = of_match_ptr(rockchip_rga_dt_ids),
1434 void rga2_test_0(void);
1436 static int __init rga2_init(void)
1441 /* malloc pre scale mid buf mmu table */
1442 buf_p = kmalloc(1024*256, GFP_KERNEL);
1443 rga2_mmu_buf.buf_virtual = buf_p;
1444 rga2_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((unsigned long)buf_p));
1445 rga2_mmu_buf.front = 0;
1446 rga2_mmu_buf.back = 64*1024;
1447 rga2_mmu_buf.size = 64*1024;
1449 rga2_mmu_buf.pages = kmalloc(32768 * sizeof(struct page *), GFP_KERNEL);
1451 ret = platform_driver_register(&rga2_driver);
1453 printk(KERN_ERR "Platform device register failed (%d).\n", ret);
1457 rga2_session_global.pid = 0x0000ffff;
1458 INIT_LIST_HEAD(&rga2_session_global.waiting);
1459 INIT_LIST_HEAD(&rga2_session_global.running);
1460 INIT_LIST_HEAD(&rga2_session_global.list_session);
1462 INIT_LIST_HEAD(&rga2_service.waiting);
1463 INIT_LIST_HEAD(&rga2_service.running);
1464 INIT_LIST_HEAD(&rga2_service.done);
1465 INIT_LIST_HEAD(&rga2_service.session);
1466 init_waitqueue_head(&rga2_session_global.wait);
1467 //mutex_lock(&rga_service.lock);
1468 list_add_tail(&rga2_session_global.list_session, &rga2_service.session);
1469 //mutex_unlock(&rga_service.lock);
1470 atomic_set(&rga2_session_global.task_running, 0);
1471 atomic_set(&rga2_session_global.num_done, 0);
1477 INFO("Module initialized.\n");
1482 static void __exit rga2_exit(void)
1486 if (rga2_mmu_buf.buf_virtual)
1487 kfree(rga2_mmu_buf.buf_virtual);
1489 platform_driver_unregister(&rga2_driver);
1495 void rga2_test_0(void)
1497 struct rga2_req req;
1498 rga2_session session;
1499 unsigned int *src, *dst;
1501 session.pid = current->pid;
1502 INIT_LIST_HEAD(&session.waiting);
1503 INIT_LIST_HEAD(&session.running);
1504 INIT_LIST_HEAD(&session.list_session);
1505 init_waitqueue_head(&session.wait);
1506 /* no need to protect */
1507 list_add_tail(&session.list_session, &rga2_service.session);
1508 atomic_set(&session.task_running, 0);
1509 atomic_set(&session.num_done, 0);
1511 memset(&req, 0, sizeof(struct rga2_req));
1512 src = kmalloc(800*480*4, GFP_KERNEL);
1513 dst = kmalloc(800*480*4, GFP_KERNEL);
1515 printk("\n********************************\n");
1516 printk("************ RGA2_TEST ************\n");
1517 printk("********************************\n\n");
1520 memset(src, 0x80, 800 * 480 * 4);
1521 memset(dst, 0xcc, 800 * 480 * 4);
1524 dmac_flush_range(src, &src[800 * 480]);
1525 outer_flush_range(virt_to_phys(src), virt_to_phys(&src[800 * 480]));
1527 dmac_flush_range(dst, &dst[800 * 480]);
1528 outer_flush_range(virt_to_phys(dst), virt_to_phys(&dst[800 * 480]));
1536 req.pat.yrgb_addr = virt_to_phys(src);
1537 req.render_mode = 0;
1538 rga2_blit_sync(&session, &req);
1544 sp = (uint8_t *)src;
1545 for (j = 0; j < 240; j++) {
1546 sp = (uint8_t *)src + j * 320 * 10 / 8;
1547 for (i = 0; i < 320; i++) {
1550 sp[i * 5 / 4+1] = 0x1;
1551 } else if ((i & 3) == 1) {
1552 sp[i * 5 / 4+1] = 0x4;
1553 } else if ((i & 3) == 2) {
1554 sp[i * 5 / 4+1] = 0x10;
1555 } else if ((i & 3) == 3) {
1556 sp[i * 5 / 4+1] = 0x40;
1560 sp = (uint8_t *)src;
1561 for (j = 0; j < 100; j++)
1562 printk("src %.2x\n", sp[j]);
1564 req.src.act_w = 320;
1565 req.src.act_h = 240;
1567 req.src.vir_w = 320;
1568 req.src.vir_h = 240;
1569 req.src.yrgb_addr = 0;//(uint32_t)virt_to_phys(src);
1570 req.src.uv_addr = (unsigned long)virt_to_phys(src);
1572 req.src.format = RGA2_FORMAT_YCbCr_420_SP_10B;
1574 req.dst.act_w = 320;
1575 req.dst.act_h = 240;
1576 req.dst.x_offset = 0;
1577 req.dst.y_offset = 0;
1579 req.dst.vir_w = 320;
1580 req.dst.vir_h = 240;
1582 req.dst.yrgb_addr = 0;//((uint32_t)virt_to_phys(dst));
1583 req.dst.uv_addr = (unsigned long)virt_to_phys(dst);
1584 req.dst.format = RGA2_FORMAT_YCbCr_420_SP;
1588 //req.render_mode = color_fill_mode;
1589 //req.fg_color = 0x80ffffff;
1591 req.rotate_mode = 0;
1592 req.scale_bicu_mode = 2;
1595 //req.alpha_rop_flag = 0;
1596 //req.alpha_rop_mode = 0x19;
1599 //req.mmu_info.mmu_flag = 0x21;
1600 //req.mmu_info.mmu_en = 1;
1602 //printk("src = %.8x\n", req.src.yrgb_addr);
1603 //printk("src = %.8x\n", req.src.uv_addr);
1604 //printk("dst = %.8x\n", req.dst.yrgb_addr);
1607 rga2_blit_sync(&session, &req);
1611 for (j = 0; j < 320 * 240 * 10 / 8; j++) {
1612 if (src[j] != dst[j])
1613 printk("error value dst not equal src j %d, s %.2x d %.2x\n",
1621 uint8_t *dp = (uint8_t *)dst;
1623 for (j = 0; j < 100; j++)
1624 printk("%d %.2x\n", j, dp[j]);
1635 module_init(rga2_init);
1636 module_exit(rga2_exit);
1638 /* Module information */
1639 MODULE_AUTHOR("zsq@rock-chips.com");
1640 MODULE_DESCRIPTION("Driver for rga device");
1641 MODULE_LICENSE("GPL");