2 * Copyright (C) 2012 ROCKCHIP, Inc.
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4 * This software is licensed under the terms of the GNU General Public
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5 * License version 2, as published by the Free Software Foundation, and
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6 * may be copied, distributed, and modified under those terms.
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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15 #define pr_fmt(fmt) "rga: " fmt
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16 #include <linux/kernel.h>
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17 #include <linux/init.h>
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18 #include <linux/module.h>
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19 #include <linux/platform_device.h>
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20 #include <linux/sched.h>
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21 #include <linux/mutex.h>
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22 #include <linux/err.h>
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23 #include <linux/clk.h>
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24 #include <asm/delay.h>
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25 #include <linux/dma-mapping.h>
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26 #include <linux/delay.h>
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28 #include <linux/irq.h>
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29 #include <linux/interrupt.h>
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30 #include <linux/fs.h>
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31 #include <asm/uaccess.h>
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32 #include <linux/miscdevice.h>
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33 #include <linux/poll.h>
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34 #include <linux/delay.h>
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35 #include <linux/wait.h>
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36 #include <linux/syscalls.h>
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37 #include <linux/timer.h>
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38 #include <linux/time.h>
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39 #include <asm/cacheflush.h>
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40 #include <linux/slab.h>
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41 #include <linux/fb.h>
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42 #include <linux/wakelock.h>
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45 #include "rga2_reg_info.h"
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46 #include "rga2_mmu_info.h"
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47 #include "RGA2_API.h"
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50 #define RGA2_TEST_FLUSH_TIME 0
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51 #define RGA2_INFO_BUS_ERROR 1
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53 #define RGA2_POWER_OFF_DELAY 4*HZ /* 4s */
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54 #define RGA2_TIMEOUT_DELAY 2*HZ /* 2s */
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56 #define RGA2_MAJOR 255
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58 #define RGA2_RESET_TIMEOUT 1000
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60 /* Driver information */
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61 #define DRIVER_DESC "RGA2 Device Driver"
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62 #define DRIVER_NAME "rga2"
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64 #define RGA2_VERSION "2.000"
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71 rga2_session rga2_session_global;
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73 struct rga2_drvdata_t {
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74 struct miscdevice miscdev;
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79 struct delayed_work power_off_work;
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80 void (*rga_irq_callback)(int rga_retval); //callback function used by aync call
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81 struct wake_lock wake_lock;
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83 struct clk *aclk_rga2;
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84 struct clk *hclk_rga2;
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85 struct clk *pd_rga2;
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89 struct rga2_drvdata_t *rga2_drvdata;
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91 struct rga2_service_info rga2_service;
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92 struct rga2_mmu_buf_t rga2_mmu_buf;
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94 static int rga2_blit_async(rga2_session *session, struct rga2_req *req);
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95 static void rga2_del_running_list(void);
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96 static void rga2_del_running_list_timeout(void);
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97 static void rga2_try_set_reg(void);
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101 #define RGA_DEBUG 0
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103 #define DBG(format, args...) printk(KERN_DEBUG "%s: " format, DRIVER_NAME, ## args)
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104 #define ERR(format, args...) printk(KERN_ERR "%s: " format, DRIVER_NAME, ## args)
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105 #define WARNING(format, args...) printk(KERN_WARN "%s: " format, DRIVER_NAME, ## args)
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106 #define INFO(format, args...) printk(KERN_INFO "%s: " format, DRIVER_NAME, ## args)
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108 #define DBG(format, args...)
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109 #define ERR(format, args...)
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110 #define WARNING(format, args...)
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111 #define INFO(format, args...)
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115 static void print_info(struct rga2_req *req)
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117 printk("render_mode=%d bitblt_mode=%d rotate_mode=%.8x\n",
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118 req->render_mode, req->bitblt_mode, req->rotate_mode);
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119 printk("src : y=%.8x uv=%.8x v=%.8x format=%d aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d \n",
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120 req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format,
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121 req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h,
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122 req->src.x_offset, req->src.y_offset);
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123 printk("dst : y=%.8x uv=%.8x v=%.8x format=%d aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d \n",
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124 req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr, req->dst.format,
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125 req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h,
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126 req->dst.x_offset, req->dst.y_offset);
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127 printk("mmu : src=%.2x src1=%.2x dst=%.2x els=%.2x\n",
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128 req->mmu_info.src0_mmu_flag, req->mmu_info.src1_mmu_flag,
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129 req->mmu_info.dst_mmu_flag, req->mmu_info.els_mmu_flag);
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130 printk("alpha : flag %.8x mode0=%.8x mode1=%.8x\n",
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131 req->alpha_rop_flag, req->alpha_mode_0, req->alpha_mode_1);
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136 static inline void rga2_write(u32 b, u32 r)
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138 __raw_writel(b, rga2_drvdata->rga_base + r);
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141 static inline u32 rga2_read(u32 r)
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143 return __raw_readl(rga2_drvdata->rga_base + r);
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146 static void rga2_soft_reset(void)
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151 rga2_write(1, RGA2_SYS_CTRL); //RGA_SYS_CTRL
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153 for(i = 0; i < RGA2_RESET_TIMEOUT; i++)
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155 reg = rga2_read(RGA2_SYS_CTRL) & 1; //RGA_SYS_CTRL
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163 if(i == RGA2_RESET_TIMEOUT)
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164 ERR("soft reset timeout.\n");
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167 static void rga2_dump(void)
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170 struct rga2_reg *reg, *reg_tmp;
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171 rga2_session *session, *session_tmp;
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173 running = atomic_read(&rga2_service.total_running);
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174 printk("rga total_running %d\n", running);
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178 /* Dump waiting list info */
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179 if (!list_empty(&rga_service.waiting))
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183 next = &rga_service.waiting;
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185 printk("rga_service dump waiting list\n");
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189 reg = list_entry(next->next, struct rga_reg, status_link);
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190 running = atomic_read(®->session->task_running);
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191 num_done = atomic_read(®->session->num_done);
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192 printk("rga session pid %d, done %d, running %d\n", reg->session->pid, num_done, running);
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195 while(!list_empty(next));
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198 /* Dump running list info */
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199 if (!list_empty(&rga_service.running))
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201 printk("rga_service dump running list\n");
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205 next = &rga_service.running;
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208 reg = list_entry(next->next, struct rga_reg, status_link);
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209 running = atomic_read(®->session->task_running);
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210 num_done = atomic_read(®->session->num_done);
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211 printk("rga session pid %d, done %d, running %d:\n", reg->session->pid, num_done, running);
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214 while(!list_empty(next));
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218 list_for_each_entry_safe(session, session_tmp, &rga2_service.session, list_session)
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220 printk("session pid %d:\n", session->pid);
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221 running = atomic_read(&session->task_running);
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222 printk("task_running %d\n", running);
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223 list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)
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225 printk("waiting register set 0x%.8x\n", (unsigned int)reg);
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227 list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
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229 printk("running register set 0x%.8x\n", (unsigned int)reg);
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234 static inline void rga2_queue_power_off_work(void)
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236 queue_delayed_work(system_nrt_wq, &rga2_drvdata->power_off_work, RGA2_POWER_OFF_DELAY);
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239 /* Caller must hold rga_service.lock */
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240 static void rga2_power_on(void)
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242 static ktime_t last;
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243 ktime_t now = ktime_get();
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245 if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
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246 cancel_delayed_work_sync(&rga2_drvdata->power_off_work);
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247 rga2_queue_power_off_work();
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250 if (rga2_service.enable)
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253 //clk_enable(rga2_drvdata->rga2);
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254 //clk_prepare_enable(rga2_drvdata->aclk_rga2);
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255 //clk_prepare_enable(rga2_drvdata->hclk_rga2);
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256 //clk_enable(rga2_drvdata->pd_rga2);
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257 wake_lock(&rga2_drvdata->wake_lock);
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258 rga2_service.enable = true;
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261 /* Caller must hold rga_service.lock */
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262 static void rga2_power_off(void)
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266 if (!rga2_service.enable) {
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270 total_running = atomic_read(&rga2_service.total_running);
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271 if (total_running) {
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272 pr_err("power off when %d task running!!\n", total_running);
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274 pr_err("delay 50 ms for running task\n");
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278 //clk_disable(rga2_drvdata->pd_rga2);
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279 //clk_disable(rga2_drvdata->rga2);
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280 //clk_disable_unprepare(rga2_drvdata->aclk_rga2);
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281 //clk_disable_unprepare(rga2_drvdata->hclk_rga2);
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282 wake_unlock(&rga2_drvdata->wake_lock);
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283 rga2_service.enable = false;
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286 static void rga2_power_off_work(struct work_struct *work)
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288 if (mutex_trylock(&rga2_service.lock)) {
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290 mutex_unlock(&rga2_service.lock);
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292 /* Come back later if the device is busy... */
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293 rga2_queue_power_off_work();
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297 static int rga2_flush(rga2_session *session, unsigned long arg)
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302 #if RGA2_TEST_FLUSH_TIME
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305 start = ktime_get();
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308 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
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310 if (unlikely(ret_timeout < 0)) {
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311 //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
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312 mutex_lock(&rga2_service.lock);
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313 rga2_del_running_list();
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314 mutex_unlock(&rga2_service.lock);
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316 } else if (0 == ret_timeout) {
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317 //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
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318 //printk("bus = %.8x\n", rga_read(RGA_INT));
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319 mutex_lock(&rga2_service.lock);
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320 rga2_del_running_list_timeout();
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321 rga2_try_set_reg();
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322 mutex_unlock(&rga2_service.lock);
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326 #if RGA2_TEST_FLUSH_TIME
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328 end = ktime_sub(end, start);
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329 printk("one flush wait time %d\n", (int)ktime_to_us(end));
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336 static int rga2_get_result(rga2_session *session, unsigned long arg)
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338 //printk("rga_get_result %d\n",drvdata->rga_result);
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344 num_done = atomic_read(&session->num_done);
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346 if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
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347 printk("copy_to_user failed\n");
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354 static int rga2_check_param(const struct rga2_req *req)
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356 /*RGA2 can support up to 8192*8192 resolution in RGB format,but we limit the image size to 8191*8191 here*/
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357 //check src width and height
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359 if(!((req->render_mode == color_fill_mode)))
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361 if (unlikely((req->src.act_w <= 0) || (req->src.act_w > 8191) || (req->src.act_h <= 0) || (req->src.act_h > 8191)))
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363 printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
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368 if(!((req->render_mode == color_fill_mode)))
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370 if (unlikely((req->src.vir_w <= 0) || (req->src.vir_w > 8191) || (req->src.vir_h <= 0) || (req->src.vir_h > 8191)))
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372 printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
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377 //check dst width and height
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378 if (unlikely((req->dst.act_w <= 0) || (req->dst.act_w > 4096) || (req->dst.act_h <= 0) || (req->dst.act_h > 4096)))
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380 printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
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384 if (unlikely((req->dst.vir_w <= 0) || (req->dst.vir_w > 4096) || (req->dst.vir_h <= 0) || (req->dst.vir_h > 4096)))
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386 printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
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391 if(unlikely(req->src.vir_w < req->src.act_w)){
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392 printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
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397 if(unlikely(req->dst.vir_w < req->dst.act_w)){
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398 if(req->rotate_mode != 1)
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400 printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
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408 static void rga2_copy_reg(struct rga2_reg *reg, uint32_t offset)
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414 if(atomic_read(®->session->task_running) != 0)
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416 printk(KERN_ERR "task_running is no zero\n");
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419 atomic_add(1, &rga2_service.cmd_num);
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420 atomic_add(1, ®->session->task_running);
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422 cmd_buf = (uint32_t *)rga2_service.cmd_buff + offset*32;
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423 reg_p = (uint32_t *)reg->cmd_reg;
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425 for(i=0; i<32; i++)
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427 cmd_buf[i] = reg_p[i];
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434 static struct rga2_reg * rga2_reg_init(rga2_session *session, struct rga2_req *req)
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437 struct rga2_reg *reg = kzalloc(sizeof(struct rga2_reg), GFP_KERNEL);
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439 pr_err("kmalloc fail in rga_reg_init\n");
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443 reg->session = session;
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444 INIT_LIST_HEAD(®->session_link);
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445 INIT_LIST_HEAD(®->status_link);
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447 reg->MMU_base = NULL;
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449 if ((req->mmu_info.src0_mmu_flag & 1) || (req->mmu_info.src1_mmu_flag & 1)
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450 || (req->mmu_info.dst_mmu_flag & 1) || (req->mmu_info.els_mmu_flag & 1))
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452 ret = rga2_set_mmu_info(reg, req);
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455 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
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464 if(RGA2_gen_reg_info((uint8_t *)reg->cmd_reg, req) == -1)
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466 printk("gen reg info error\n");
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474 mutex_lock(&rga2_service.lock);
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475 list_add_tail(®->status_link, &rga2_service.waiting);
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476 list_add_tail(®->session_link, &session->waiting);
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477 mutex_unlock(&rga2_service.lock);
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483 /* Caller must hold rga_service.lock */
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484 static void rga2_reg_deinit(struct rga2_reg *reg)
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486 list_del_init(®->session_link);
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487 list_del_init(®->status_link);
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491 /* Caller must hold rga_service.lock */
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492 static void rga2_reg_from_wait_to_run(struct rga2_reg *reg)
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494 list_del_init(®->status_link);
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495 list_add_tail(®->status_link, &rga2_service.running);
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497 list_del_init(®->session_link);
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498 list_add_tail(®->session_link, ®->session->running);
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501 /* Caller must hold rga_service.lock */
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502 static void rga2_service_session_clear(rga2_session *session)
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504 struct rga2_reg *reg, *n;
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506 list_for_each_entry_safe(reg, n, &session->waiting, session_link)
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508 rga2_reg_deinit(reg);
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511 list_for_each_entry_safe(reg, n, &session->running, session_link)
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513 rga2_reg_deinit(reg);
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517 /* Caller must hold rga_service.lock */
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518 static void rga2_try_set_reg(void)
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520 struct rga2_reg *reg ;
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522 if (list_empty(&rga2_service.running))
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524 if (!list_empty(&rga2_service.waiting))
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527 reg = list_entry(rga2_service.waiting.next, struct rga2_reg, status_link);
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532 rga2_copy_reg(reg, 0);
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533 rga2_reg_from_wait_to_run(reg);
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535 dmac_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
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536 outer_flush_range(virt_to_phys(&rga2_service.cmd_buff[0]),virt_to_phys(&rga2_service.cmd_buff[32]));
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538 #if defined(CONFIG_ARCH_RK30)
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542 rga2_write(0x0, RGA2_SYS_CTRL);
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543 //rga2_write(0, RGA_MMU_CTRL);
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546 rga2_write(virt_to_phys(rga2_service.cmd_buff), RGA2_CMD_BASE);
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551 //printk(KERN_DEBUG "cmd_addr = %.8x\n", rga_read(RGA_CMD_ADDR));
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553 p = rga2_service.cmd_buff;
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554 printk("CMD_REG\n");
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555 for (i=0; i<8; i++)
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556 printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);
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561 rga2_write((0x1<<1)|(0x1<<2)|(0x1<<5)|(0x1<<6), RGA2_SYS_CTRL);
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563 /* All CMD finish int */
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564 rga2_write(rga2_read(RGA2_INT)|(0x1<<10)|(0x1<<8), RGA2_INT);
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567 rga_start = ktime_get();
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571 atomic_set(®->session->done, 0);
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572 rga2_write(0x1, RGA2_CMD_CTRL);
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577 printk("CMD_READ_BACK_REG\n");
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578 for (i=0; i<8; i++)
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579 printk("%.8x %.8x %.8x %.8x\n", rga2_read(0x100 + i*16 + 0),
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580 rga2_read(0x100 + i*16 + 4), rga2_read(0x100 + i*16 + 8), rga2_read(0x100 + i*16 + 12));
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590 /* Caller must hold rga_service.lock */
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591 static void rga2_del_running_list(void)
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593 struct rga2_reg *reg;
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595 while(!list_empty(&rga2_service.running))
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597 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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599 if(reg->MMU_len != 0)
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601 if (rga2_mmu_buf.back + reg->MMU_len > 2*rga2_mmu_buf.size)
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602 rga2_mmu_buf.back = reg->MMU_len + rga2_mmu_buf.size;
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604 rga2_mmu_buf.back += reg->MMU_len;
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606 atomic_sub(1, ®->session->task_running);
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607 atomic_sub(1, &rga2_service.total_running);
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609 if(list_empty(®->session->waiting))
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611 atomic_set(®->session->done, 1);
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612 wake_up(®->session->wait);
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615 rga2_reg_deinit(reg);
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619 /* Caller must hold rga_service.lock */
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620 static void rga2_del_running_list_timeout(void)
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622 struct rga2_reg *reg;
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624 while(!list_empty(&rga2_service.running))
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626 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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628 if(reg->MMU_base != NULL)
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630 kfree(reg->MMU_base);
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633 atomic_sub(1, ®->session->task_running);
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634 atomic_sub(1, &rga2_service.total_running);
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636 //printk("RGA soft reset for timeout process\n");
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641 printk("RGA_INT is %.8x\n", rga_read(RGA_INT));
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642 printk("reg->session->task_running = %d\n", atomic_read(®->session->task_running));
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643 printk("rga_service.total_running = %d\n", atomic_read(&rga_service.total_running));
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645 print_info(®->req);
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650 for (i=0; i<7; i++)
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651 printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);
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656 if(list_empty(®->session->waiting))
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658 atomic_set(®->session->done, 1);
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659 wake_up(®->session->wait);
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662 rga2_reg_deinit(reg);
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666 static int rga2_blit(rga2_session *session, struct rga2_req *req)
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670 struct rga2_reg *reg;
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673 /* check value if legal */
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674 ret = rga2_check_param(req);
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675 if(ret == -EINVAL) {
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676 printk("req argument is inval\n");
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680 reg = rga2_reg_init(session, req);
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686 mutex_lock(&rga2_service.lock);
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687 atomic_add(num, &rga2_service.total_running);
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688 rga2_try_set_reg();
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689 mutex_unlock(&rga2_service.lock);
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698 static int rga2_blit_async(rga2_session *session, struct rga2_req *req)
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703 if (req->src.format >= 0x10) {
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706 printk("*** rga_blit_async proc ***\n");
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711 atomic_set(&session->done, 0);
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712 ret = rga2_blit(session, req);
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717 static int rga2_blit_sync(rga2_session *session, struct rga2_req *req)
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720 int ret_timeout = 0;
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723 if (req->src.format >= 0x10) {
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726 printk("*** rga2_blit_sync proc ***\n");
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732 atomic_set(&session->done, 0);
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734 ret = rga2_blit(session, req);
\r
740 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
\r
742 if (unlikely(ret_timeout< 0))
\r
744 //pr_err("sync pid %d wait task ret %d\n", session->pid, ret_timeout);
\r
745 mutex_lock(&rga2_service.lock);
\r
746 rga2_del_running_list();
\r
747 mutex_unlock(&rga2_service.lock);
\r
750 else if (0 == ret_timeout)
\r
752 //pr_err("sync pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
\r
753 mutex_lock(&rga2_service.lock);
\r
754 rga2_del_running_list_timeout();
\r
755 rga2_try_set_reg();
\r
756 mutex_unlock(&rga2_service.lock);
\r
761 rga_end = ktime_get();
\r
762 rga_end = ktime_sub(rga_end, rga_start);
\r
763 printk("sync one cmd end time %d\n", (int)ktime_to_us(rga_end));
\r
770 static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
\r
772 struct rga2_req req;
\r
773 struct rga_req req_rga;
\r
775 rga2_session *session;
\r
777 mutex_lock(&rga2_service.mutex);
\r
779 session = (rga2_session *)file->private_data;
\r
781 if (NULL == session)
\r
783 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
784 mutex_unlock(&rga2_service.mutex);
\r
788 memset(&req, 0x0, sizeof(req));
\r
792 case RGA_BLIT_SYNC:
\r
794 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
796 ERR("copy_from_user failed\n");
\r
800 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
802 ret = rga2_blit_sync(session, &req);
\r
804 case RGA_BLIT_ASYNC:
\r
805 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
807 ERR("copy_from_user failed\n");
\r
812 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
814 if((atomic_read(&rga2_service.total_running) > 8))
\r
816 ret = rga2_blit_sync(session, &req);
\r
820 ret = rga2_blit_async(session, &req);
\r
823 case RGA2_BLIT_SYNC:
\r
824 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
826 ERR("copy_from_user failed\n");
\r
830 ret = rga2_blit_sync(session, &req);
\r
832 case RGA2_BLIT_ASYNC:
\r
833 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
835 ERR("copy_from_user failed\n");
\r
840 if((atomic_read(&rga2_service.total_running) > 16))
\r
842 ret = rga2_blit_sync(session, &req);
\r
846 ret = rga2_blit_async(session, &req);
\r
851 ret = rga2_flush(session, arg);
\r
853 case RGA_GET_RESULT:
\r
854 case RGA2_GET_RESULT:
\r
855 ret = rga2_get_result(session, arg);
\r
857 case RGA_GET_VERSION:
\r
858 case RGA2_GET_VERSION:
\r
859 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
\r
863 ERR("unknown ioctl cmd!\n");
\r
868 mutex_unlock(&rga2_service.mutex);
\r
874 long rga_ioctl_kernel(struct rga_req *req)
\r
877 rga2_session *session;
\r
878 struct rga2_req req_rga2;
\r
880 mutex_lock(&rga2_service.mutex);
\r
882 session = &rga2_session_global;
\r
884 if (NULL == session)
\r
886 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
887 mutex_unlock(&rga2_service.mutex);
\r
891 RGA_MSG_2_RGA2_MSG(req, &req_rga2);
\r
892 ret = rga2_blit_sync(session, &req_rga2);
\r
894 mutex_unlock(&rga2_service.mutex);
\r
900 static int rga2_open(struct inode *inode, struct file *file)
\r
902 rga2_session *session = kzalloc(sizeof(rga2_session), GFP_KERNEL);
\r
903 if (NULL == session) {
\r
904 pr_err("unable to allocate memory for rga_session.");
\r
908 session->pid = current->pid;
\r
909 //printk(KERN_DEBUG "+");
\r
911 INIT_LIST_HEAD(&session->waiting);
\r
912 INIT_LIST_HEAD(&session->running);
\r
913 INIT_LIST_HEAD(&session->list_session);
\r
914 init_waitqueue_head(&session->wait);
\r
915 mutex_lock(&rga2_service.lock);
\r
916 list_add_tail(&session->list_session, &rga2_service.session);
\r
917 mutex_unlock(&rga2_service.lock);
\r
918 atomic_set(&session->task_running, 0);
\r
919 atomic_set(&session->num_done, 0);
\r
921 file->private_data = (void *)session;
\r
923 //DBG("*** rga dev opened by pid %d *** \n", session->pid);
\r
924 return nonseekable_open(inode, file);
\r
928 static int rga2_release(struct inode *inode, struct file *file)
\r
931 rga2_session *session = (rga2_session *)file->private_data;
\r
932 if (NULL == session)
\r
934 //printk(KERN_DEBUG "-");
\r
935 task_running = atomic_read(&session->task_running);
\r
939 pr_err("rga2_service session %d still has %d task running when closing\n", session->pid, task_running);
\r
944 wake_up(&session->wait);
\r
945 mutex_lock(&rga2_service.lock);
\r
946 list_del(&session->list_session);
\r
947 rga2_service_session_clear(session);
\r
949 mutex_unlock(&rga2_service.lock);
\r
951 //DBG("*** rga dev close ***\n");
\r
955 static irqreturn_t rga2_irq_thread(int irq, void *dev_id)
\r
957 mutex_lock(&rga2_service.lock);
\r
958 if (rga2_service.enable) {
\r
959 rga2_del_running_list();
\r
960 rga2_try_set_reg();
\r
962 mutex_unlock(&rga2_service.lock);
\r
964 return IRQ_HANDLED;
\r
967 static irqreturn_t rga2_irq(int irq, void *dev_id)
\r
970 rga2_write(rga2_read(RGA2_INT) | (0x1<<4) | (0x1<<5) | (0x1<<6) | (0x1<<7), RGA2_INT);
\r
972 return IRQ_WAKE_THREAD;
\r
975 struct file_operations rga2_fops = {
\r
976 .owner = THIS_MODULE,
\r
978 .release = rga2_release,
\r
979 .unlocked_ioctl = rga_ioctl,
\r
982 static struct miscdevice rga2_dev ={
\r
983 .minor = RGA2_MAJOR,
\r
985 .fops = &rga2_fops,
\r
988 static const struct of_device_id rockchip_rga_dt_ids[] = {
\r
989 { .compatible = "rockchip,rga", },
\r
993 static int rga2_drv_probe(struct platform_device *pdev)
\r
995 struct rga2_drvdata_t *data;
\r
996 struct resource *res;
\r
999 mutex_init(&rga2_service.lock);
\r
1000 mutex_init(&rga2_service.mutex);
\r
1001 atomic_set(&rga2_service.total_running, 0);
\r
1002 atomic_set(&rga2_service.src_format_swt, 0);
\r
1003 rga2_service.last_prc_src_format = 1; /* default is yuv first*/
\r
1004 rga2_service.enable = false;
\r
1006 data = devm_kzalloc(&pdev->dev, sizeof(struct rga2_drvdata_t), GFP_KERNEL);
\r
1009 ERR("failed to allocate driver data.\n");
\r
1013 INIT_DELAYED_WORK(&data->power_off_work, rga2_power_off_work);
\r
1014 wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
\r
1016 //data->pd_rga2 = clk_get(NULL, "pd_rga");
\r
1017 //data->rga2 = clk_get(NULL, "rga");
\r
1018 //data->aclk_rga2 = devm_clk_get(&pdev->dev, "aclk_rga");
\r
1019 //data->hclk_rga2 = devm_clk_get(&pdev->dev, "hclk_rga");
\r
1021 /* map the registers */
\r
1022 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
\r
1023 data->rga_base = devm_ioremap_resource(&pdev->dev, res);
\r
1024 if (!data->rga_base) {
\r
1025 ERR("rga ioremap failed\n");
\r
1031 data->irq = platform_get_irq(pdev, 0);
\r
1032 if (data->irq <= 0) {
\r
1033 ERR("failed to get rga irq resource (%d).\n", data->irq);
\r
1038 /* request the IRQ */
\r
1039 ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga2_irq, rga2_irq_thread, 0, "rga", pdev);
\r
1042 ERR("rga request_irq failed (%d).\n", ret);
\r
1046 platform_set_drvdata(pdev, data);
\r
1047 rga2_drvdata = data;
\r
1049 ret = misc_register(&rga2_dev);
\r
1052 ERR("cannot register miscdev (%d)\n", ret);
\r
1053 goto err_misc_register;
\r
1056 pr_info("Driver loaded succesfully\n");
\r
1060 err_misc_register:
\r
1061 free_irq(data->irq, pdev);
\r
1063 iounmap(data->rga_base);
\r
1065 wake_lock_destroy(&data->wake_lock);
\r
1071 static int rga2_drv_remove(struct platform_device *pdev)
\r
1073 struct rga2_drvdata_t *data = platform_get_drvdata(pdev);
\r
1074 DBG("%s [%d]\n",__FUNCTION__,__LINE__);
\r
1076 wake_lock_destroy(&data->wake_lock);
\r
1077 misc_deregister(&(data->miscdev));
\r
1078 free_irq(data->irq, &data->miscdev);
\r
1079 iounmap((void __iomem *)(data->rga_base));
\r
1081 //clk_put(data->pd_rga2);
\r
1082 //clk_put(data->rga2);
\r
1083 //devm_clk_put(&pdev->dev, data->aclk_rga2);
\r
1084 //devm_clk_put(&pdev->dev, data->hclk_rga2);
\r
1090 static struct platform_driver rga2_driver = {
\r
1091 .probe = rga2_drv_probe,
\r
1092 .remove = rga2_drv_remove,
\r
1094 .owner = THIS_MODULE,
\r
1096 .of_match_table = of_match_ptr(rockchip_rga_dt_ids),
\r
1101 void rga2_test_0(void);
\r
1103 static int __init rga2_init(void)
\r
1108 /* malloc pre scale mid buf mmu table */
\r
1109 buf_p = kmalloc(1024*256, GFP_KERNEL);
\r
1110 rga2_mmu_buf.buf_virtual = buf_p;
\r
1111 rga2_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((uint32_t)buf_p));
\r
1112 rga2_mmu_buf.front = 0;
\r
1113 rga2_mmu_buf.back = 64*1024;
\r
1114 rga2_mmu_buf.size = 64*1024;
\r
1116 if ((ret = platform_driver_register(&rga2_driver)) != 0)
\r
1118 printk(KERN_ERR "Platform device register failed (%d).\n", ret);
\r
1123 rga2_session_global.pid = 0x0000ffff;
\r
1124 INIT_LIST_HEAD(&rga2_session_global.waiting);
\r
1125 INIT_LIST_HEAD(&rga2_session_global.running);
\r
1126 INIT_LIST_HEAD(&rga2_session_global.list_session);
\r
1128 INIT_LIST_HEAD(&rga2_service.waiting);
\r
1129 INIT_LIST_HEAD(&rga2_service.running);
\r
1130 INIT_LIST_HEAD(&rga2_service.done);
\r
1131 INIT_LIST_HEAD(&rga2_service.session);
\r
1132 init_waitqueue_head(&rga2_session_global.wait);
\r
1133 //mutex_lock(&rga_service.lock);
\r
1134 list_add_tail(&rga2_session_global.list_session, &rga2_service.session);
\r
1135 //mutex_unlock(&rga_service.lock);
\r
1136 atomic_set(&rga2_session_global.task_running, 0);
\r
1137 atomic_set(&rga2_session_global.num_done, 0);
\r
1140 #if RGA2_TEST_CASE
\r
1144 INFO("Module initialized.\n");
\r
1149 static void __exit rga2_exit(void)
\r
1153 if (rga2_mmu_buf.buf_virtual)
\r
1154 kfree(rga2_mmu_buf.buf_virtual);
\r
1156 platform_driver_unregister(&rga2_driver);
\r
1160 #if RGA2_TEST_CASE
\r
1162 extern struct fb_info * rk_get_fb(int fb_id);
\r
1163 EXPORT_SYMBOL(rk_get_fb);
\r
1165 extern void rk_direct_fb_show(struct fb_info * fbi);
\r
1166 EXPORT_SYMBOL(rk_direct_fb_show);
\r
1168 //unsigned int src_buf[1920*1080];
\r
1169 //unsigned int dst_buf[1920*1080];
\r
1170 //unsigned int tmp_buf[1920*1080 * 2];
\r
1172 void rga2_test_0(void)
\r
1174 struct rga2_req req;
\r
1175 rga2_session session;
\r
1176 unsigned int *src, *dst;
\r
1180 uint32_t *dst0, *dst1, *dst2;
\r
1182 struct fb_info *fb;
\r
1184 session.pid = current->pid;
\r
1185 INIT_LIST_HEAD(&session.waiting);
\r
1186 INIT_LIST_HEAD(&session.running);
\r
1187 INIT_LIST_HEAD(&session.list_session);
\r
1188 init_waitqueue_head(&session.wait);
\r
1189 /* no need to protect */
\r
1190 list_add_tail(&session.list_session, &rga2_service.session);
\r
1191 atomic_set(&session.task_running, 0);
\r
1192 atomic_set(&session.num_done, 0);
\r
1193 //file->private_data = (void *)session;
\r
1195 //fb = rk_get_fb(0);
\r
1197 memset(&req, 0, sizeof(struct rga2_req));
\r
1198 src = kmalloc(800*480*4, GFP_KERNEL);
\r
1199 dst = kmalloc(800*480*4, GFP_KERNEL);
\r
1201 memset(src, 0x80, 800*480*4);
\r
1203 dmac_flush_range(&src, &src[800*480*4]);
\r
1204 outer_flush_range(virt_to_phys(&src),virt_to_phys(&src[800*480*4]));
\r
1208 memset(src_buf, 0x80, 800*480*4);
\r
1209 memset(dst_buf, 0xcc, 800*480*4);
\r
1211 dmac_flush_range(&dst_buf[0], &dst_buf[800*480]);
\r
1212 outer_flush_range(virt_to_phys(&dst_buf[0]),virt_to_phys(&dst_buf[800*480]));
\r
1219 printk("\n********************************\n");
\r
1220 printk("************ RGA2_TEST ************\n");
\r
1221 printk("********************************\n\n");
\r
1223 req.src.act_w = 320;
\r
1224 req.src.act_h = 240;
\r
1226 req.src.vir_w = 320;
\r
1227 req.src.vir_h = 240;
\r
1228 req.src.yrgb_addr = (uint32_t)virt_to_phys(src);
\r
1229 req.src.uv_addr = (uint32_t)(req.src.yrgb_addr + 800*480);
\r
1230 req.src.v_addr = (uint32_t)virt_to_phys(src);
\r
1231 req.src.format = RGA2_FORMAT_RGBA_8888;
\r
1233 req.dst.act_w = 320;
\r
1234 req.dst.act_h = 240;
\r
1235 req.dst.x_offset = 0;
\r
1236 req.dst.y_offset = 0;
\r
1238 req.dst.vir_w = 320;
\r
1239 req.dst.vir_h = 240;
\r
1241 req.dst.yrgb_addr = ((uint32_t)virt_to_phys(dst));
\r
1242 req.dst.format = RGA2_FORMAT_RGBA_8888;
\r
1246 //req.render_mode = color_fill_mode;
\r
1247 //req.fg_color = 0x80ffffff;
\r
1249 req.rotate_mode = 1;
\r
1250 req.scale_bicu_mode = 2;
\r
1252 //req.alpha_rop_flag = 0;
\r
1253 //req.alpha_rop_mode = 0x19;
\r
1254 //req.PD_mode = 3;
\r
1256 req.rotate_mode = 0;
\r
1258 //req.mmu_info.mmu_flag = 0x21;
\r
1259 //req.mmu_info.mmu_en = 1;
\r
1261 //printk("src = %.8x\n", req.src.yrgb_addr);
\r
1262 //printk("src = %.8x\n", req.src.uv_addr);
\r
1263 //printk("dst = %.8x\n", req.dst.yrgb_addr);
\r
1265 rga2_blit_sync(&session, &req);
\r
1268 fb->var.bits_per_pixel = 32;
\r
1270 fb->var.xres = 1280;
\r
1271 fb->var.yres = 800;
\r
1273 fb->var.red.length = 8;
\r
1274 fb->var.red.offset = 0;
\r
1275 fb->var.red.msb_right = 0;
\r
1277 fb->var.green.length = 8;
\r
1278 fb->var.green.offset = 8;
\r
1279 fb->var.green.msb_right = 0;
\r
1281 fb->var.blue.length = 8;
\r
1283 fb->var.blue.offset = 16;
\r
1284 fb->var.blue.msb_right = 0;
\r
1286 fb->var.transp.length = 8;
\r
1287 fb->var.transp.offset = 24;
\r
1288 fb->var.transp.msb_right = 0;
\r
1290 fb->var.nonstd &= (~0xff);
\r
1291 fb->var.nonstd |= 1;
\r
1293 fb->fix.smem_start = virt_to_phys(dst);
\r
1295 rk_direct_fb_show(fb);
\r
1305 module_init(rga2_init);
\r
1306 module_exit(rga2_exit);
\r
1308 /* Module information */
\r
1309 MODULE_AUTHOR("zsq@rock-chips.com");
\r
1310 MODULE_DESCRIPTION("Driver for rga device");
\r
1311 MODULE_LICENSE("GPL");
\r