2 * Copyright (C) 2012 ROCKCHIP, Inc.
\r
4 * This software is licensed under the terms of the GNU General Public
\r
5 * License version 2, as published by the Free Software Foundation, and
\r
6 * may be copied, distributed, and modified under those terms.
\r
8 * This program is distributed in the hope that it will be useful,
\r
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
\r
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
11 * GNU General Public License for more details.
\r
15 #define pr_fmt(fmt) "rga: " fmt
\r
16 #include <linux/kernel.h>
\r
17 #include <linux/init.h>
\r
18 #include <linux/module.h>
\r
19 #include <linux/platform_device.h>
\r
20 #include <linux/sched.h>
\r
21 #include <linux/mutex.h>
\r
22 #include <linux/err.h>
\r
23 #include <linux/clk.h>
\r
24 #include <asm/delay.h>
\r
25 #include <linux/dma-mapping.h>
\r
26 #include <linux/delay.h>
\r
28 #include <linux/irq.h>
\r
29 #include <linux/interrupt.h>
\r
30 //#include <mach/io.h>
\r
31 //#include <mach/irqs.h>
\r
32 #include <linux/fs.h>
\r
33 #include <asm/uaccess.h>
\r
34 #include <linux/miscdevice.h>
\r
35 #include <linux/poll.h>
\r
36 #include <linux/delay.h>
\r
37 #include <linux/wait.h>
\r
38 #include <linux/syscalls.h>
\r
39 #include <linux/timer.h>
\r
40 #include <linux/time.h>
\r
41 #include <asm/cacheflush.h>
\r
42 #include <linux/slab.h>
\r
43 #include <linux/fb.h>
\r
44 #include <linux/wakelock.h>
\r
46 #if defined(CONFIG_ION_ROCKCHIP)
\r
47 #include <linux/rockchip_ion.h>
\r
52 #include "rga_reg_info.h"
\r
53 #include "rga_mmu_info.h"
\r
54 #include "RGA_API.h"
\r
56 #define RGA_TEST_CASE 0
\r
59 #define RGA_TEST_TIME 0
\r
60 #define RGA_TEST_FLUSH_TIME 0
\r
61 #define RGA_INFO_BUS_ERROR 1
\r
63 #define PRE_SCALE_BUF_SIZE 2048*1024*4
\r
65 #define RGA_POWER_OFF_DELAY 4*HZ /* 4s */
\r
66 #define RGA_TIMEOUT_DELAY 2*HZ /* 2s */
\r
68 #define RGA_MAJOR 255
\r
70 #if defined(CONFIG_ARCH_RK2928) || defined(CONFIG_ARCH_RK3026)
\r
71 #define RK30_RGA_PHYS RK2928_RGA_PHYS
\r
72 #define RK30_RGA_SIZE RK2928_RGA_SIZE
\r
74 #define RGA_RESET_TIMEOUT 1000
\r
76 /* Driver information */
\r
77 #define DRIVER_DESC "RGA Device Driver"
\r
78 #define DRIVER_NAME "rga"
\r
80 #define RGA_VERSION "1.003"
\r
85 rga_session rga_session_global;
\r
87 struct rga_drvdata {
\r
88 struct miscdevice miscdev;
\r
93 struct delayed_work power_off_work;
\r
94 void (*rga_irq_callback)(int rga_retval); //callback function used by aync call
\r
95 struct wake_lock wake_lock;
\r
98 struct clk *aclk_rga;
\r
99 struct clk *hclk_rga;
\r
101 //#if defined(CONFIG_ION_ROCKCHIP)
\r
102 struct ion_client * ion_client;
\r
106 static struct rga_drvdata *drvdata;
\r
107 rga_service_info rga_service;
\r
109 #if defined(CONFIG_ION_ROCKCHIP)
\r
110 extern struct ion_client *rockchip_ion_client_create(const char * name);
\r
113 static int rga_blit_async(rga_session *session, struct rga_req *req);
\r
114 static void rga_del_running_list(void);
\r
115 static void rga_del_running_list_timeout(void);
\r
116 static void rga_try_set_reg(void);
\r
120 #define RGA_DEBUG 0
\r
122 #define DBG(format, args...) printk(KERN_DEBUG "%s: " format, DRIVER_NAME, ## args)
\r
123 #define ERR(format, args...) printk(KERN_ERR "%s: " format, DRIVER_NAME, ## args)
\r
124 #define WARNING(format, args...) printk(KERN_WARN "%s: " format, DRIVER_NAME, ## args)
\r
125 #define INFO(format, args...) printk(KERN_INFO "%s: " format, DRIVER_NAME, ## args)
\r
127 #define DBG(format, args...)
\r
128 #define ERR(format, args...)
\r
129 #define WARNING(format, args...)
\r
130 #define INFO(format, args...)
\r
134 static void print_info(struct rga_req *req)
\r
136 printk("src : yrgb_addr = %.8x, src.uv_addr = %.8x, src.v_addr = %.8x, format = %d\n",
\r
137 req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format);
\r
138 printk("src : act_w = %d, act_h = %d, vir_w = %d, vir_h = %d\n",
\r
139 req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h);
\r
140 printk("src : x_off = %.8x y_off = %.8x\n", req->src.x_offset, req->src.y_offset);
\r
142 printk("dst : yrgb_addr = %.8x, dst.uv_addr = %.8x, dst.v_addr = %.8x\n",
\r
143 req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr);
\r
144 printk("dst : x_off = %.8x y_off = %.8x\n", req->dst.x_offset, req->dst.y_offset);
\r
145 printk("dst : act_w = %d, act_h = %d, vir_w = %d, vir_h = %d\n",
\r
146 req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h);
\r
148 printk("clip.xmin = %d, clip.xmax = %d. clip.ymin = %d, clip.ymax = %d\n",
\r
149 req->clip.xmin, req->clip.xmax, req->clip.ymin, req->clip.ymax);
\r
151 //printk("alpha_rop_flag = %.8x\n", req->alpha_rop_flag);
\r
152 //printk("alpha_rop_mode = %.8x\n", req->alpha_rop_mode);
\r
153 //printk("PD_mode = %.8x\n", req->PD_mode);
\r
158 static inline void rga_write(u32 b, u32 r)
\r
160 __raw_writel(b, drvdata->rga_base + r);
\r
163 static inline u32 rga_read(u32 r)
\r
165 return __raw_readl(drvdata->rga_base + r);
\r
168 static void rga_soft_reset(void)
\r
173 rga_write(1, RGA_SYS_CTRL); //RGA_SYS_CTRL
\r
175 for(i = 0; i < RGA_RESET_TIMEOUT; i++)
\r
177 reg = rga_read(RGA_SYS_CTRL) & 1; //RGA_SYS_CTRL
\r
185 if(i == RGA_RESET_TIMEOUT)
\r
186 ERR("soft reset timeout.\n");
\r
189 static void rga_dump(void)
\r
192 struct rga_reg *reg, *reg_tmp;
\r
193 rga_session *session, *session_tmp;
\r
195 running = atomic_read(&rga_service.total_running);
\r
196 printk("rga total_running %d\n", running);
\r
200 /* Dump waiting list info */
\r
201 if (!list_empty(&rga_service.waiting))
\r
205 next = &rga_service.waiting;
\r
207 printk("rga_service dump waiting list\n");
\r
211 reg = list_entry(next->next, struct rga_reg, status_link);
\r
212 running = atomic_read(®->session->task_running);
\r
213 num_done = atomic_read(®->session->num_done);
\r
214 printk("rga session pid %d, done %d, running %d\n", reg->session->pid, num_done, running);
\r
217 while(!list_empty(next));
\r
220 /* Dump running list info */
\r
221 if (!list_empty(&rga_service.running))
\r
223 printk("rga_service dump running list\n");
\r
227 next = &rga_service.running;
\r
230 reg = list_entry(next->next, struct rga_reg, status_link);
\r
231 running = atomic_read(®->session->task_running);
\r
232 num_done = atomic_read(®->session->num_done);
\r
233 printk("rga session pid %d, done %d, running %d:\n", reg->session->pid, num_done, running);
\r
236 while(!list_empty(next));
\r
240 list_for_each_entry_safe(session, session_tmp, &rga_service.session, list_session)
\r
242 printk("session pid %d:\n", session->pid);
\r
243 running = atomic_read(&session->task_running);
\r
244 printk("task_running %d\n", running);
\r
245 list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)
\r
247 printk("waiting register set 0x%.8x\n", (unsigned int)reg);
\r
249 list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
\r
251 printk("running register set 0x%.8x\n", (unsigned int)reg);
\r
256 static inline void rga_queue_power_off_work(void)
\r
258 queue_delayed_work(system_nrt_wq, &drvdata->power_off_work, RGA_POWER_OFF_DELAY);
\r
261 /* Caller must hold rga_service.lock */
\r
262 static void rga_power_on(void)
\r
264 static ktime_t last;
\r
265 ktime_t now = ktime_get();
\r
267 if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
\r
268 cancel_delayed_work_sync(&drvdata->power_off_work);
\r
269 rga_queue_power_off_work();
\r
272 if (rga_service.enable)
\r
275 clk_prepare_enable(drvdata->aclk_rga);
\r
276 clk_prepare_enable(drvdata->hclk_rga);
\r
277 //clk_prepare_enable(drvdata->pd_rga);
\r
278 wake_lock(&drvdata->wake_lock);
\r
279 rga_service.enable = true;
\r
282 /* Caller must hold rga_service.lock */
\r
283 static void rga_power_off(void)
\r
287 if (!rga_service.enable) {
\r
291 total_running = atomic_read(&rga_service.total_running);
\r
292 if (total_running) {
\r
293 pr_err("power off when %d task running!!\n", total_running);
\r
295 pr_err("delay 50 ms for running task\n");
\r
299 //clk_disable_unprepare(drvdata->pd_rga);
\r
300 clk_disable_unprepare(drvdata->aclk_rga);
\r
301 clk_disable_unprepare(drvdata->hclk_rga);
\r
302 wake_unlock(&drvdata->wake_lock);
\r
303 rga_service.enable = false;
\r
306 static void rga_power_off_work(struct work_struct *work)
\r
308 if (mutex_trylock(&rga_service.lock)) {
\r
310 mutex_unlock(&rga_service.lock);
\r
312 /* Come back later if the device is busy... */
\r
313 rga_queue_power_off_work();
\r
317 static int rga_flush(rga_session *session, unsigned long arg)
\r
322 #if RGA_TEST_FLUSH_TIME
\r
325 start = ktime_get();
\r
328 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA_TIMEOUT_DELAY);
\r
330 if (unlikely(ret_timeout < 0)) {
\r
331 //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
\r
332 mutex_lock(&rga_service.lock);
\r
333 rga_del_running_list();
\r
334 mutex_unlock(&rga_service.lock);
\r
336 } else if (0 == ret_timeout) {
\r
337 //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
\r
338 //printk("bus = %.8x\n", rga_read(RGA_INT));
\r
339 mutex_lock(&rga_service.lock);
\r
340 rga_del_running_list_timeout();
\r
342 mutex_unlock(&rga_service.lock);
\r
346 #if RGA_TEST_FLUSH_TIME
\r
348 end = ktime_sub(end, start);
\r
349 printk("one flush wait time %d\n", (int)ktime_to_us(end));
\r
356 static int rga_get_result(rga_session *session, unsigned long arg)
\r
358 //printk("rga_get_result %d\n",drvdata->rga_result);
\r
364 num_done = atomic_read(&session->num_done);
\r
366 if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
\r
367 printk("copy_to_user failed\n");
\r
374 static int rga_check_param(const struct rga_req *req)
\r
376 /*RGA can support up to 8192*8192 resolution in RGB format,but we limit the image size to 8191*8191 here*/
\r
377 //check src width and height
\r
379 if(!((req->render_mode == color_fill_mode) || (req->render_mode == line_point_drawing_mode)))
\r
381 if (unlikely((req->src.act_w <= 0) || (req->src.act_w > 8191) || (req->src.act_h <= 0) || (req->src.act_h > 8191)))
\r
383 printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
\r
388 if(!((req->render_mode == color_fill_mode) || (req->render_mode == line_point_drawing_mode)))
\r
390 if (unlikely((req->src.vir_w <= 0) || (req->src.vir_w > 8191) || (req->src.vir_h <= 0) || (req->src.vir_h > 8191)))
\r
392 printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
\r
397 //check dst width and height
\r
398 if (unlikely((req->dst.act_w <= 0) || (req->dst.act_w > 2048) || (req->dst.act_h <= 0) || (req->dst.act_h > 2048)))
\r
400 printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
\r
404 if (unlikely((req->dst.vir_w <= 0) || (req->dst.vir_w > 4096) || (req->dst.vir_h <= 0) || (req->dst.vir_h > 2048)))
\r
406 printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
\r
411 if(unlikely(req->src.vir_w < req->src.act_w)){
\r
412 printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
\r
417 if(unlikely(req->dst.vir_w < req->dst.act_w)){
\r
418 if(req->rotate_mode != 1)
\r
420 printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
\r
428 static void rga_copy_reg(struct rga_reg *reg, uint32_t offset)
\r
434 if(atomic_read(®->session->task_running) != 0)
\r
436 printk(KERN_ERR "task_running is no zero\n");
\r
439 atomic_add(1, &rga_service.cmd_num);
\r
440 atomic_add(1, ®->session->task_running);
\r
442 cmd_buf = (uint32_t *)rga_service.cmd_buff + offset*28;
\r
443 reg_p = (uint32_t *)reg->cmd_reg;
\r
445 for(i=0; i<28; i++)
\r
447 cmd_buf[i] = reg_p[i];
\r
454 static struct rga_reg * rga_reg_init(rga_session *session, struct rga_req *req)
\r
457 struct rga_reg *reg = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);
\r
459 pr_err("kmalloc fail in rga_reg_init\n");
\r
463 reg->session = session;
\r
464 INIT_LIST_HEAD(®->session_link);
\r
465 INIT_LIST_HEAD(®->status_link);
\r
467 reg->MMU_base = NULL;
\r
469 if (req->mmu_info.mmu_en)
\r
471 ret = rga_set_mmu_info(reg, req);
\r
474 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
\r
483 if(RGA_gen_reg_info(req, (uint8_t *)reg->cmd_reg) == -1)
\r
485 printk("gen reg info error\n");
\r
493 mutex_lock(&rga_service.lock);
\r
494 list_add_tail(®->status_link, &rga_service.waiting);
\r
495 list_add_tail(®->session_link, &session->waiting);
\r
496 mutex_unlock(&rga_service.lock);
\r
501 static struct rga_reg * rga_reg_init_2(rga_session *session, struct rga_req *req0, struct rga_req *req1)
\r
505 struct rga_reg *reg0, *reg1;
\r
512 reg0 = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);
\r
513 if (NULL == reg0) {
\r
514 pr_err("%s [%d] kmalloc fail in rga_reg_init\n", __FUNCTION__, __LINE__);
\r
518 reg1 = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);
\r
519 if (NULL == reg1) {
\r
520 pr_err("%s [%d] kmalloc fail in rga_reg_init\n", __FUNCTION__, __LINE__);
\r
524 reg0->session = session;
\r
525 INIT_LIST_HEAD(®0->session_link);
\r
526 INIT_LIST_HEAD(®0->status_link);
\r
528 reg1->session = session;
\r
529 INIT_LIST_HEAD(®1->session_link);
\r
530 INIT_LIST_HEAD(®1->status_link);
\r
532 if(req0->mmu_info.mmu_en)
\r
534 ret = rga_set_mmu_info(reg0, req0);
\r
536 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
\r
541 RGA_gen_reg_info(req0, (uint8_t *)reg0->cmd_reg);
\r
543 if(req1->mmu_info.mmu_en)
\r
545 ret = rga_set_mmu_info(reg1, req1);
\r
547 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
\r
552 RGA_gen_reg_info(req1, (uint8_t *)reg1->cmd_reg);
\r
554 mutex_lock(&rga_service.lock);
\r
555 list_add_tail(®0->status_link, &rga_service.waiting);
\r
556 list_add_tail(®0->session_link, &session->waiting);
\r
557 list_add_tail(®1->status_link, &rga_service.waiting);
\r
558 list_add_tail(®1->session_link, &session->waiting);
\r
559 mutex_unlock(&rga_service.lock);
\r
576 /* Caller must hold rga_service.lock */
\r
577 static void rga_reg_deinit(struct rga_reg *reg)
\r
579 list_del_init(®->session_link);
\r
580 list_del_init(®->status_link);
\r
584 /* Caller must hold rga_service.lock */
\r
585 static void rga_reg_from_wait_to_run(struct rga_reg *reg)
\r
587 list_del_init(®->status_link);
\r
588 list_add_tail(®->status_link, &rga_service.running);
\r
590 list_del_init(®->session_link);
\r
591 list_add_tail(®->session_link, ®->session->running);
\r
594 /* Caller must hold rga_service.lock */
\r
595 static void rga_service_session_clear(rga_session *session)
\r
597 struct rga_reg *reg, *n;
\r
599 list_for_each_entry_safe(reg, n, &session->waiting, session_link)
\r
601 rga_reg_deinit(reg);
\r
604 list_for_each_entry_safe(reg, n, &session->running, session_link)
\r
606 rga_reg_deinit(reg);
\r
610 /* Caller must hold rga_service.lock */
\r
611 static void rga_try_set_reg(void)
\r
613 struct rga_reg *reg ;
\r
615 if (list_empty(&rga_service.running))
\r
617 if (!list_empty(&rga_service.waiting))
\r
620 reg = list_entry(rga_service.waiting.next, struct rga_reg, status_link);
\r
625 rga_copy_reg(reg, 0);
\r
626 rga_reg_from_wait_to_run(reg);
\r
628 dmac_flush_range(&rga_service.cmd_buff[0], &rga_service.cmd_buff[28]);
\r
629 outer_flush_range(virt_to_phys(&rga_service.cmd_buff[0]),virt_to_phys(&rga_service.cmd_buff[28]));
\r
631 #if defined(CONFIG_ARCH_RK30)
\r
635 rga_write(0x0, RGA_SYS_CTRL);
\r
636 rga_write(0, RGA_MMU_CTRL);
\r
639 rga_write(virt_to_phys(rga_service.cmd_buff), RGA_CMD_ADDR);
\r
643 //printk(KERN_DEBUG "cmd_addr = %.8x\n", rga_read(RGA_CMD_ADDR));
\r
646 p = rga_service.cmd_buff;
\r
647 printk("CMD_REG\n");
\r
648 for (i=0; i<7; i++)
\r
649 printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);
\r
654 rga_write((0x1<<2)|(0x1<<3), RGA_SYS_CTRL);
\r
656 /* All CMD finish int */
\r
657 rga_write(rga_read(RGA_INT)|(0x1<<10)|(0x1<<8), RGA_INT);
\r
660 rga_start = ktime_get();
\r
664 atomic_set(®->session->done, 0);
\r
665 rga_write(0x1, RGA_CMD_CTRL);
\r
670 printk("CMD_READ_BACK_REG\n");
\r
671 for (i=0; i<7; i++)
\r
672 printk("%.8x %.8x %.8x %.8x\n", rga_read(0x100 + i*16 + 0),
\r
673 rga_read(0x100 + i*16 + 4), rga_read(0x100 + i*16 + 8), rga_read(0x100 + i*16 + 12));
\r
683 /* Caller must hold rga_service.lock */
\r
684 static void rga_del_running_list(void)
\r
686 struct rga_reg *reg;
\r
688 while(!list_empty(&rga_service.running))
\r
690 reg = list_entry(rga_service.running.next, struct rga_reg, status_link);
\r
692 if(reg->MMU_base != NULL)
\r
694 kfree(reg->MMU_base);
\r
695 reg->MMU_base = NULL;
\r
697 atomic_sub(1, ®->session->task_running);
\r
698 atomic_sub(1, &rga_service.total_running);
\r
700 if(list_empty(®->session->waiting))
\r
702 atomic_set(®->session->done, 1);
\r
703 wake_up(®->session->wait);
\r
706 rga_reg_deinit(reg);
\r
710 /* Caller must hold rga_service.lock */
\r
711 static void rga_del_running_list_timeout(void)
\r
713 struct rga_reg *reg;
\r
715 while(!list_empty(&rga_service.running))
\r
717 reg = list_entry(rga_service.running.next, struct rga_reg, status_link);
\r
719 if(reg->MMU_base != NULL)
\r
721 kfree(reg->MMU_base);
\r
724 atomic_sub(1, ®->session->task_running);
\r
725 atomic_sub(1, &rga_service.total_running);
\r
727 //printk("RGA soft reset for timeout process\n");
\r
732 printk("RGA_INT is %.8x\n", rga_read(RGA_INT));
\r
733 printk("reg->session->task_running = %d\n", atomic_read(®->session->task_running));
\r
734 printk("rga_service.total_running = %d\n", atomic_read(&rga_service.total_running));
\r
736 print_info(®->req);
\r
741 for (i=0; i<7; i++)
\r
742 printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);
\r
747 if(list_empty(®->session->waiting))
\r
749 atomic_set(®->session->done, 1);
\r
750 wake_up(®->session->wait);
\r
753 rga_reg_deinit(reg);
\r
758 static void rga_mem_addr_sel(struct rga_req *req)
\r
760 switch(req->src.format)
\r
762 case RK_FORMAT_YCbCr_422_SP:
\r
764 case RK_FORMAT_YCbCr_422_P :
\r
766 case RK_FORMAT_YCbCr_420_SP :
\r
767 if((req->src.yrgb_addr > 0xc0000000) && (req->src.uv_addr > 0xc0000000)
\r
768 && (req->dst.yrgb_addr > 0xc0000000))
\r
770 req->src.yrgb_addr = req->src.yrgb_addr - 0x60000000;
\r
771 req->src.uv_addr = req->src.uv_addr - 0x60000000;
\r
772 req->dst.yrgb_addr = req->dst.yrgb_addr - 0x60000000;
\r
773 req->mmu_info.mmu_en = 0;
\r
774 req->mmu_info.mmu_flag &= 0xfffe;
\r
777 case RK_FORMAT_YCbCr_420_P :
\r
779 case RK_FORMAT_YCrCb_422_SP :
\r
781 case RK_FORMAT_YCrCb_422_P :
\r
783 case RK_FORMAT_YCrCb_420_SP :
\r
785 case RK_FORMAT_YCrCb_420_P :
\r
794 static int rga_convert_dma_buf(struct rga_req *req)
\r
796 struct ion_handle *hdl;
\r
797 ion_phys_addr_t phy_addr;
\r
800 if(req->src.yrgb_addr) {
\r
801 hdl = ion_import_dma_buf(drvdata->ion_client, req->src.yrgb_addr);
\r
802 ion_phys(drvdata->ion_client, hdl, &phy_addr, &len);
\r
803 req->src.yrgb_addr = phy_addr;
\r
804 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
\r
807 req->src.yrgb_addr = req->src.uv_addr;
\r
808 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
\r
811 if(req->dst.yrgb_addr) {
\r
812 hdl = ion_import_dma_buf(drvdata->ion_client, req->dst.yrgb_addr);
\r
813 ion_phys(drvdata->ion_client, hdl, &phy_addr, &len);
\r
814 req->dst.yrgb_addr = phy_addr;
\r
815 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
818 req->dst.yrgb_addr = req->dst.uv_addr;
\r
819 req->dst.uv_addr = req->dst.yrgb_addr + (req->src.vir_w * req->src.vir_h);
\r
825 static int rga_blit(rga_session *session, struct rga_req *req)
\r
829 struct rga_reg *reg;
\r
830 struct rga_req req2;
\r
832 uint32_t saw, sah, daw, dah;
\r
834 saw = req->src.act_w;
\r
835 sah = req->src.act_h;
\r
836 daw = req->dst.act_w;
\r
837 dah = req->dst.act_h;
\r
839 if(rga_convert_dma_buf(req)) {
\r
840 printk("RGA : DMA buf copy error\n");
\r
849 if((req->render_mode == bitblt_mode) && (((saw>>1) >= daw) || ((sah>>1) >= dah))) {
\r
850 /* generate 2 cmd for pre scale */
\r
852 ret = rga_check_param(req);
\r
853 if(ret == -EINVAL) {
\r
854 printk("req 0 argument is inval\n");
\r
858 ret = RGA_gen_two_pro(req, &req2);
\r
859 if(ret == -EINVAL) {
\r
863 ret = rga_check_param(req);
\r
864 if(ret == -EINVAL) {
\r
865 printk("req 1 argument is inval\n");
\r
869 ret = rga_check_param(&req2);
\r
870 if(ret == -EINVAL) {
\r
871 printk("req 2 argument is inval\n");
\r
875 reg = rga_reg_init_2(session, req, &req2);
\r
883 /* check value if legal */
\r
884 ret = rga_check_param(req);
\r
885 if(ret == -EINVAL) {
\r
886 printk("req argument is inval\n");
\r
890 if(req->render_mode == bitblt_mode)
\r
891 rga_mem_addr_sel(req);
\r
893 reg = rga_reg_init(session, req);
\r
900 mutex_lock(&rga_service.lock);
\r
901 atomic_add(num, &rga_service.total_running);
\r
903 mutex_unlock(&rga_service.lock);
\r
912 static int rga_blit_async(rga_session *session, struct rga_req *req)
\r
917 printk("*** rga_blit_async proc ***\n");
\r
920 atomic_set(&session->done, 0);
\r
921 ret = rga_blit(session, req);
\r
925 static int rga_blit_sync(rga_session *session, struct rga_req *req)
\r
928 int ret_timeout = 0;
\r
931 printk("*** rga_blit_sync proc ***\n");
\r
934 atomic_set(&session->done, 0);
\r
935 ret = rga_blit(session, req);
\r
939 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA_TIMEOUT_DELAY);
\r
941 if (unlikely(ret_timeout< 0)) {
\r
942 mutex_lock(&rga_service.lock);
\r
943 rga_del_running_list();
\r
944 mutex_unlock(&rga_service.lock);
\r
947 else if (0 == ret_timeout) {
\r
948 mutex_lock(&rga_service.lock);
\r
949 rga_del_running_list_timeout();
\r
951 mutex_unlock(&rga_service.lock);
\r
956 rga_end = ktime_get();
\r
957 rga_end = ktime_sub(rga_end, rga_start);
\r
958 printk("sync one cmd end time %d\n", (int)ktime_to_us(rga_end));
\r
965 static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
\r
967 struct rga_req req;
\r
969 rga_session *session;
\r
971 mutex_lock(&rga_service.mutex);
\r
973 session = (rga_session *)file->private_data;
\r
975 if (NULL == session) {
\r
976 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
977 mutex_unlock(&rga_service.mutex);
\r
981 memset(&req, 0x0, sizeof(req));
\r
984 case RGA_BLIT_SYNC:
\r
985 if (unlikely(copy_from_user(&req, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
987 ERR("copy_from_user failed\n");
\r
991 ret = rga_blit_sync(session, &req);
\r
993 case RGA_BLIT_ASYNC:
\r
994 if (unlikely(copy_from_user(&req, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
996 ERR("copy_from_user failed\n");
\r
1001 if((atomic_read(&rga_service.total_running) > 16))
\r
1003 ret = rga_blit_sync(session, &req);
\r
1007 ret = rga_blit_async(session, &req);
\r
1011 ret = rga_flush(session, arg);
\r
1013 case RGA_GET_RESULT:
\r
1014 ret = rga_get_result(session, arg);
\r
1016 case RGA_GET_VERSION:
\r
1017 ret = copy_to_user((void *)arg, RGA_VERSION, sizeof(RGA_VERSION));
\r
1021 ERR("unknown ioctl cmd!\n");
\r
1026 mutex_unlock(&rga_service.mutex);
\r
1032 long rga_ioctl_kernel(struct rga_req *req)
\r
1035 rga_session *session;
\r
1037 mutex_lock(&rga_service.mutex);
\r
1039 session = &rga_session_global;
\r
1041 if (NULL == session) {
\r
1042 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
1043 mutex_unlock(&rga_service.mutex);
\r
1047 switch (RGA_BLIT_SYNC) {
\r
1048 case RGA_BLIT_SYNC:
\r
1049 ret = rga_blit_sync(session, req);
\r
1051 case RGA_BLIT_ASYNC:
\r
1055 case RGA_GET_RESULT:
\r
1057 case RGA_GET_VERSION:
\r
1061 ERR("unknown ioctl cmd!\n");
\r
1066 mutex_unlock(&rga_service.mutex);
\r
1072 static int rga_open(struct inode *inode, struct file *file)
\r
1074 rga_session *session = kzalloc(sizeof(rga_session), GFP_KERNEL);
\r
1075 if (NULL == session) {
\r
1076 pr_err("unable to allocate memory for rga_session.");
\r
1080 session->pid = current->pid;
\r
1081 //printk(KERN_DEBUG "+");
\r
1083 INIT_LIST_HEAD(&session->waiting);
\r
1084 INIT_LIST_HEAD(&session->running);
\r
1085 INIT_LIST_HEAD(&session->list_session);
\r
1086 init_waitqueue_head(&session->wait);
\r
1087 mutex_lock(&rga_service.lock);
\r
1088 list_add_tail(&session->list_session, &rga_service.session);
\r
1089 mutex_unlock(&rga_service.lock);
\r
1090 atomic_set(&session->task_running, 0);
\r
1091 atomic_set(&session->num_done, 0);
\r
1093 file->private_data = (void *)session;
\r
1095 //DBG("*** rga dev opened by pid %d *** \n", session->pid);
\r
1096 return nonseekable_open(inode, file);
\r
1100 static int rga_release(struct inode *inode, struct file *file)
\r
1103 rga_session *session = (rga_session *)file->private_data;
\r
1104 if (NULL == session)
\r
1106 //printk(KERN_DEBUG "-");
\r
1107 task_running = atomic_read(&session->task_running);
\r
1111 pr_err("rga_service session %d still has %d task running when closing\n", session->pid, task_running);
\r
1116 wake_up(&session->wait);
\r
1117 mutex_lock(&rga_service.lock);
\r
1118 list_del(&session->list_session);
\r
1119 rga_service_session_clear(session);
\r
1121 mutex_unlock(&rga_service.lock);
\r
1123 //DBG("*** rga dev close ***\n");
\r
1127 static irqreturn_t rga_irq_thread(int irq, void *dev_id)
\r
1129 mutex_lock(&rga_service.lock);
\r
1130 if (rga_service.enable) {
\r
1131 rga_del_running_list();
\r
1132 rga_try_set_reg();
\r
1134 mutex_unlock(&rga_service.lock);
\r
1136 return IRQ_HANDLED;
\r
1139 static irqreturn_t rga_irq(int irq, void *dev_id)
\r
1142 rga_write(rga_read(RGA_INT) | (0x1<<6) | (0x1<<7) | (0x1<<4), RGA_INT);
\r
1144 return IRQ_WAKE_THREAD;
\r
1147 struct file_operations rga_fops = {
\r
1148 .owner = THIS_MODULE,
\r
1150 .release = rga_release,
\r
1151 .unlocked_ioctl = rga_ioctl,
\r
1154 static struct miscdevice rga_dev ={
\r
1155 .minor = RGA_MAJOR,
\r
1157 .fops = &rga_fops,
\r
1161 #if defined(CONFIG_OF)
\r
1162 static const struct of_device_id rockchip_rga_dt_ids[] = {
\r
1163 { .compatible = "rockchip,rga", },
\r
1168 static int rga_drv_probe(struct platform_device *pdev)
\r
1170 struct rga_drvdata *data;
\r
1171 struct resource *res;
\r
1172 //struct device_node *np = pdev->dev.of_node;
\r
1175 mutex_init(&rga_service.lock);
\r
1176 mutex_init(&rga_service.mutex);
\r
1177 atomic_set(&rga_service.total_running, 0);
\r
1178 atomic_set(&rga_service.src_format_swt, 0);
\r
1179 rga_service.last_prc_src_format = 1; /* default is yuv first*/
\r
1180 rga_service.enable = false;
\r
1182 data = devm_kzalloc(&pdev->dev, sizeof(struct rga_drvdata), GFP_KERNEL);
\r
1184 ERR("failed to allocate driver data.\n");
\r
1188 INIT_DELAYED_WORK(&data->power_off_work, rga_power_off_work);
\r
1189 wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
\r
1191 //data->pd_rga = devm_clk_get(&pdev->dev, "pd_rga");
\r
1192 data->aclk_rga = devm_clk_get(&pdev->dev, "aclk_rga");
\r
1193 data->hclk_rga = devm_clk_get(&pdev->dev, "hclk_rga");
\r
1195 /* map the registers */
\r
1196 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
\r
1197 data->rga_base = devm_ioremap_resource(&pdev->dev, res);
\r
1198 if (!data->rga_base) {
\r
1199 ERR("rga ioremap failed\n");
\r
1205 data->irq = ret = platform_get_irq(pdev, 0);
\r
1207 ERR("failed to get rga irq resource (%d).\n", data->irq);
\r
1212 /* request the IRQ */
\r
1213 //ret = request_threaded_irq(data->irq, rga_irq, rga_irq_thread, 0, "rga", pdev);
\r
1214 ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga_irq, rga_irq_thread, 0, "rga", data);
\r
1217 ERR("rga request_irq failed (%d).\n", ret);
\r
1221 platform_set_drvdata(pdev, data);
\r
1224 #if defined(CONFIG_ION_ROCKCHIP)
\r
1225 data->ion_client = rockchip_ion_client_create("rga");
\r
1226 if (IS_ERR(data->ion_client)) {
\r
1227 dev_err(&pdev->dev, "failed to create ion client for rga");
\r
1228 return PTR_ERR(data->ion_client);
\r
1230 dev_info(&pdev->dev, "rga ion client create success!\n");
\r
1234 ret = misc_register(&rga_dev);
\r
1237 ERR("cannot register miscdev (%d)\n", ret);
\r
1238 goto err_misc_register;
\r
1241 pr_info("Driver loaded succesfully\n");
\r
1245 err_misc_register:
\r
1246 free_irq(data->irq, pdev);
\r
1248 iounmap(data->rga_base);
\r
1250 wake_lock_destroy(&data->wake_lock);
\r
1256 static int rga_drv_remove(struct platform_device *pdev)
\r
1258 struct rga_drvdata *data = platform_get_drvdata(pdev);
\r
1259 DBG("%s [%d]\n",__FUNCTION__,__LINE__);
\r
1261 wake_lock_destroy(&data->wake_lock);
\r
1262 misc_deregister(&(data->miscdev));
\r
1263 free_irq(data->irq, &data->miscdev);
\r
1264 iounmap((void __iomem *)(data->rga_base));
\r
1266 //clk_put(data->pd_rga);
\r
1267 devm_clk_put(&pdev->dev, data->aclk_rga);
\r
1268 devm_clk_put(&pdev->dev, data->hclk_rga);
\r
1274 static struct platform_driver rga_driver = {
\r
1275 .probe = rga_drv_probe,
\r
1276 .remove = rga_drv_remove,
\r
1278 .owner = THIS_MODULE,
\r
1280 .of_match_table = of_match_ptr(rockchip_rga_dt_ids),
\r
1285 void rga_test_0(void);
\r
1286 void rga_test_1(void);
\r
1289 static int __init rga_init(void)
\r
1292 uint32_t *mmu_buf;
\r
1296 /* malloc pre scale mid buf mmu table */
\r
1297 mmu_buf = kzalloc(1024*8, GFP_KERNEL);
\r
1298 if(mmu_buf == NULL)
\r
1300 printk(KERN_ERR "RGA get Pre Scale buff failed. \n");
\r
1304 /* malloc 8 M buf */
\r
1305 for(i=0; i<2048; i++)
\r
1307 buf_p = (uint32_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
\r
1310 printk(KERN_ERR "RGA init pre scale buf falied\n");
\r
1314 mmu_buf[i] = virt_to_phys((void *)((uint32_t)buf_p));
\r
1317 rga_service.pre_scale_buf = (uint32_t *)mmu_buf;
\r
1319 if ((ret = platform_driver_register(&rga_driver)) != 0)
\r
1321 printk(KERN_ERR "Platform device register failed (%d).\n", ret);
\r
1326 rga_session_global.pid = 0x0000ffff;
\r
1327 INIT_LIST_HEAD(&rga_session_global.waiting);
\r
1328 INIT_LIST_HEAD(&rga_session_global.running);
\r
1329 INIT_LIST_HEAD(&rga_session_global.list_session);
\r
1331 INIT_LIST_HEAD(&rga_service.waiting);
\r
1332 INIT_LIST_HEAD(&rga_service.running);
\r
1333 INIT_LIST_HEAD(&rga_service.done);
\r
1334 INIT_LIST_HEAD(&rga_service.session);
\r
1336 init_waitqueue_head(&rga_session_global.wait);
\r
1337 //mutex_lock(&rga_service.lock);
\r
1338 list_add_tail(&rga_session_global.list_session, &rga_service.session);
\r
1339 //mutex_unlock(&rga_service.lock);
\r
1340 atomic_set(&rga_session_global.task_running, 0);
\r
1341 atomic_set(&rga_session_global.num_done, 0);
\r
1350 INFO("Module initialized.\n");
\r
1355 static void __exit rga_exit(void)
\r
1361 for(i=0; i<2048; i++)
\r
1363 if((uint32_t *)rga_service.pre_scale_buf[i] != NULL)
\r
1365 __free_page((void *)rga_service.pre_scale_buf[i]);
\r
1369 if(rga_service.pre_scale_buf != NULL) {
\r
1370 kfree((uint8_t *)rga_service.pre_scale_buf);
\r
1372 platform_driver_unregister(&rga_driver);
\r
1378 extern struct fb_info * rk_get_fb(int fb_id);
\r
1379 EXPORT_SYMBOL(rk_get_fb);
\r
1381 extern void rk_direct_fb_show(struct fb_info * fbi);
\r
1382 EXPORT_SYMBOL(rk_direct_fb_show);
\r
1384 unsigned int src_buf[1920*1080];
\r
1385 unsigned int dst_buf[1920*1080];
\r
1386 //unsigned int tmp_buf[1920*1080 * 2];
\r
1388 void rga_test_0(void)
\r
1390 struct rga_req req;
\r
1391 rga_session session;
\r
1392 unsigned int *src, *dst;
\r
1396 uint32_t *dst0, *dst1, *dst2;
\r
1398 struct fb_info *fb;
\r
1400 session.pid = current->pid;
\r
1401 INIT_LIST_HEAD(&session.waiting);
\r
1402 INIT_LIST_HEAD(&session.running);
\r
1403 INIT_LIST_HEAD(&session.list_session);
\r
1404 init_waitqueue_head(&session.wait);
\r
1405 /* no need to protect */
\r
1406 list_add_tail(&session.list_session, &rga_service.session);
\r
1407 atomic_set(&session.task_running, 0);
\r
1408 atomic_set(&session.num_done, 0);
\r
1409 //file->private_data = (void *)session;
\r
1411 fb = rk_get_fb(0);
\r
1413 memset(&req, 0, sizeof(struct rga_req));
\r
1417 memset(src_buf, 0x80, 1024*600*4);
\r
1419 dmac_flush_range(&src_buf[0], &src_buf[1024*600]);
\r
1420 outer_flush_range(virt_to_phys(&src_buf[0]),virt_to_phys(&src_buf[1024*600]));
\r
1424 memset(src_buf, 0x80, 800*480*4);
\r
1425 memset(dst_buf, 0xcc, 800*480*4);
\r
1427 dmac_flush_range(&dst_buf[0], &dst_buf[800*480]);
\r
1428 outer_flush_range(virt_to_phys(&dst_buf[0]),virt_to_phys(&dst_buf[800*480]));
\r
1431 dst0 = &dst_buf[0];
\r
1432 //dst1 = &dst_buf[1280*800*4];
\r
1433 //dst2 = &dst_buf[1280*800*4*2];
\r
1437 printk("\n********************************\n");
\r
1438 printk("************ RGA_TEST ************\n");
\r
1439 printk("********************************\n\n");
\r
1441 req.src.act_w = 1024;
\r
1442 req.src.act_h = 600;
\r
1444 req.src.vir_w = 1024;
\r
1445 req.src.vir_h = 600;
\r
1446 req.src.yrgb_addr = (uint32_t)virt_to_phys(src);
\r
1447 req.src.uv_addr = (uint32_t)(req.src.yrgb_addr + 1080*1920);
\r
1448 req.src.v_addr = (uint32_t)virt_to_phys(src);
\r
1449 req.src.format = RK_FORMAT_RGBA_8888;
\r
1451 req.dst.act_w = 600;
\r
1452 req.dst.act_h = 352;
\r
1454 req.dst.vir_w = 1280;
\r
1455 req.dst.vir_h = 800;
\r
1456 req.dst.x_offset = 600;
\r
1457 req.dst.y_offset = 0;
\r
1461 req.dst.yrgb_addr = ((uint32_t)virt_to_phys(dst));
\r
1463 //req.dst.format = RK_FORMAT_RGB_565;
\r
1465 req.clip.xmin = 0;
\r
1466 req.clip.xmax = 1279;
\r
1467 req.clip.ymin = 0;
\r
1468 req.clip.ymax = 799;
\r
1470 //req.render_mode = color_fill_mode;
\r
1471 //req.fg_color = 0x80ffffff;
\r
1473 req.rotate_mode = 1;
\r
1474 //req.scale_mode = 2;
\r
1476 //req.alpha_rop_flag = 0;
\r
1477 //req.alpha_rop_mode = 0x19;
\r
1478 //req.PD_mode = 3;
\r
1483 //req.mmu_info.mmu_flag = 0x21;
\r
1484 //req.mmu_info.mmu_en = 1;
\r
1486 //printk("src = %.8x\n", req.src.yrgb_addr);
\r
1487 //printk("src = %.8x\n", req.src.uv_addr);
\r
1488 //printk("dst = %.8x\n", req.dst.yrgb_addr);
\r
1491 rga_blit_sync(&session, &req);
\r
1494 fb->var.bits_per_pixel = 32;
\r
1496 fb->var.xres = 1280;
\r
1497 fb->var.yres = 800;
\r
1499 fb->var.red.length = 8;
\r
1500 fb->var.red.offset = 0;
\r
1501 fb->var.red.msb_right = 0;
\r
1503 fb->var.green.length = 8;
\r
1504 fb->var.green.offset = 8;
\r
1505 fb->var.green.msb_right = 0;
\r
1507 fb->var.blue.length = 8;
\r
1509 fb->var.blue.offset = 16;
\r
1510 fb->var.blue.msb_right = 0;
\r
1512 fb->var.transp.length = 8;
\r
1513 fb->var.transp.offset = 24;
\r
1514 fb->var.transp.msb_right = 0;
\r
1516 fb->var.nonstd &= (~0xff);
\r
1517 fb->var.nonstd |= 1;
\r
1519 fb->fix.smem_start = virt_to_phys(dst);
\r
1521 rk_direct_fb_show(fb);
\r
1527 module_init(rga_init);
\r
1528 module_exit(rga_exit);
\r
1530 /* Module information */
\r
1531 MODULE_AUTHOR("zsq@rock-chips.com");
\r
1532 MODULE_DESCRIPTION("Driver for rga device");
\r
1533 MODULE_LICENSE("GPL");
\r