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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43 #include <linux/scatterlist.h>
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46 #if defined(CONFIG_ION_ROCKCHIP)
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47 #include <linux/rockchip_ion.h>
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51 #include "rga2_reg_info.h"
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52 #include "rga2_mmu_info.h"
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53 #include "RGA2_API.h"
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55 #if defined(CONFIG_ROCKCHIP_IOMMU) & defined(CONFIG_ION_ROCKCHIP)
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56 #define CONFIG_RGA_IOMMU
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59 #define RGA2_TEST_FLUSH_TIME 0
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60 #define RGA2_INFO_BUS_ERROR 1
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62 #define RGA2_POWER_OFF_DELAY 4*HZ /* 4s */
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63 #define RGA2_TIMEOUT_DELAY 2*HZ /* 2s */
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65 #define RGA2_MAJOR 255
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67 #define RGA2_RESET_TIMEOUT 1000
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69 /* Driver information */
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70 #define DRIVER_DESC "RGA2 Device Driver"
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71 #define DRIVER_NAME "rga2"
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73 #define RGA2_VERSION "2.000"
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80 extern long (*rga_ioctl_kernel_p)(struct rga_req *);
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82 rga2_session rga2_session_global;
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84 struct rga2_drvdata_t {
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85 struct miscdevice miscdev;
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90 struct delayed_work power_off_work;
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91 void (*rga_irq_callback)(int rga_retval); //callback function used by aync call
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92 struct wake_lock wake_lock;
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94 struct clk *aclk_rga2;
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95 struct clk *hclk_rga2;
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96 struct clk *pd_rga2;
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99 #if defined(CONFIG_ION_ROCKCHIP)
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100 struct ion_client * ion_client;
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104 struct rga2_drvdata_t *rga2_drvdata;
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106 struct rga2_service_info rga2_service;
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107 struct rga2_mmu_buf_t rga2_mmu_buf;
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109 #if defined(CONFIG_ION_ROCKCHIP)
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110 extern struct ion_client *rockchip_ion_client_create(const char * name);
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113 static int rga2_blit_async(rga2_session *session, struct rga2_req *req);
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114 static void rga2_del_running_list(void);
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115 static void rga2_del_running_list_timeout(void);
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116 static void rga2_try_set_reg(void);
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120 #define RGA_DEBUG 0
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122 #define DBG(format, args...) printk(KERN_DEBUG "%s: " format, DRIVER_NAME, ## args)
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123 #define ERR(format, args...) printk(KERN_ERR "%s: " format, DRIVER_NAME, ## args)
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124 #define WARNING(format, args...) printk(KERN_WARN "%s: " format, DRIVER_NAME, ## args)
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125 #define INFO(format, args...) printk(KERN_INFO "%s: " format, DRIVER_NAME, ## args)
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127 #define DBG(format, args...)
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128 #define ERR(format, args...)
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129 #define WARNING(format, args...)
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130 #define INFO(format, args...)
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134 static void print_info(struct rga2_req *req)
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136 printk("render_mode=%d bitblt_mode=%d rotate_mode=%.8x\n",
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137 req->render_mode, req->bitblt_mode, req->rotate_mode);
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138 printk("src : y=%.llx uv=%.llx v=%.llx format=%d aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d \n",
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139 req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format,
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140 req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h,
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141 req->src.x_offset, req->src.y_offset);
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142 printk("dst : y=%llx uv=%llx v=%llx format=%d aw=%d ah=%d vw=%d vh=%d xoff=%d yoff=%d \n",
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143 req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr, req->dst.format,
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144 req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h,
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145 req->dst.x_offset, req->dst.y_offset);
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146 printk("mmu : src=%.2x src1=%.2x dst=%.2x els=%.2x\n",
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147 req->mmu_info.src0_mmu_flag, req->mmu_info.src1_mmu_flag,
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148 req->mmu_info.dst_mmu_flag, req->mmu_info.els_mmu_flag);
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149 printk("alpha : flag %.8x mode0=%.8x mode1=%.8x\n",
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150 req->alpha_rop_flag, req->alpha_mode_0, req->alpha_mode_1);
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155 static inline void rga2_write(u32 b, u32 r)
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157 //__raw_writel(b, rga2_drvdata->rga_base + r);
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159 *((volatile unsigned int *)(rga2_drvdata->rga_base + r)) = b;
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162 static inline u32 rga2_read(u32 r)
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164 //return __raw_readl(rga2_drvdata->rga_base + r);
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166 return *((volatile unsigned int *)(rga2_drvdata->rga_base + r));
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169 static void rga2_soft_reset(void)
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174 rga2_write((1 << 3) | (1 << 4), RGA2_SYS_CTRL); //RGA_SYS_CTRL
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176 for(i = 0; i < RGA2_RESET_TIMEOUT; i++)
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178 reg = rga2_read(RGA2_SYS_CTRL) & 1; //RGA_SYS_CTRL
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186 if(i == RGA2_RESET_TIMEOUT)
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187 ERR("soft reset timeout.\n");
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190 static void rga2_dump(void)
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193 struct rga2_reg *reg, *reg_tmp;
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194 rga2_session *session, *session_tmp;
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196 running = atomic_read(&rga2_service.total_running);
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197 printk("rga total_running %d\n", running);
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199 list_for_each_entry_safe(session, session_tmp, &rga2_service.session, list_session)
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201 printk("session pid %d:\n", session->pid);
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202 running = atomic_read(&session->task_running);
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203 printk("task_running %d\n", running);
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204 list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)
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206 printk("waiting register set 0x%.lu\n", (unsigned long)reg);
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208 list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
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210 printk("running register set 0x%.lu\n", (unsigned long)reg);
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215 static inline void rga2_queue_power_off_work(void)
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217 queue_delayed_work(system_nrt_wq, &rga2_drvdata->power_off_work, RGA2_POWER_OFF_DELAY);
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220 /* Caller must hold rga_service.lock */
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221 static void rga2_power_on(void)
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223 static ktime_t last;
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224 ktime_t now = ktime_get();
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226 if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
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227 cancel_delayed_work_sync(&rga2_drvdata->power_off_work);
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228 rga2_queue_power_off_work();
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231 if (rga2_service.enable)
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234 clk_prepare_enable(rga2_drvdata->rga2);
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235 clk_prepare_enable(rga2_drvdata->aclk_rga2);
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236 clk_prepare_enable(rga2_drvdata->hclk_rga2);
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237 clk_prepare_enable(rga2_drvdata->pd_rga2);
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238 wake_lock(&rga2_drvdata->wake_lock);
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239 rga2_service.enable = true;
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242 /* Caller must hold rga_service.lock */
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243 static void rga2_power_off(void)
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247 if (!rga2_service.enable) {
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251 total_running = atomic_read(&rga2_service.total_running);
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252 if (total_running) {
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253 pr_err("power off when %d task running!!\n", total_running);
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255 pr_err("delay 50 ms for running task\n");
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259 clk_disable_unprepare(rga2_drvdata->rga2);
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260 clk_disable_unprepare(rga2_drvdata->pd_rga2);
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261 clk_disable_unprepare(rga2_drvdata->aclk_rga2);
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262 clk_disable_unprepare(rga2_drvdata->hclk_rga2);
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263 wake_unlock(&rga2_drvdata->wake_lock);
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264 rga2_service.enable = false;
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267 static void rga2_power_off_work(struct work_struct *work)
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269 if (mutex_trylock(&rga2_service.lock)) {
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271 mutex_unlock(&rga2_service.lock);
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273 /* Come back later if the device is busy... */
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274 rga2_queue_power_off_work();
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278 static int rga2_flush(rga2_session *session, unsigned long arg)
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283 #if RGA2_TEST_FLUSH_TIME
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286 start = ktime_get();
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289 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
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291 if (unlikely(ret_timeout < 0)) {
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292 //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
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293 mutex_lock(&rga2_service.lock);
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294 rga2_del_running_list();
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295 mutex_unlock(&rga2_service.lock);
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297 } else if (0 == ret_timeout) {
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298 //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
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299 //printk("bus = %.8x\n", rga_read(RGA_INT));
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300 mutex_lock(&rga2_service.lock);
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301 rga2_del_running_list_timeout();
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302 rga2_try_set_reg();
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303 mutex_unlock(&rga2_service.lock);
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307 #if RGA2_TEST_FLUSH_TIME
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309 end = ktime_sub(end, start);
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310 printk("one flush wait time %d\n", (int)ktime_to_us(end));
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317 static int rga2_get_result(rga2_session *session, unsigned long arg)
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319 //printk("rga_get_result %d\n",drvdata->rga_result);
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325 num_done = atomic_read(&session->num_done);
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327 if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
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328 printk("copy_to_user failed\n");
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335 static int rga2_check_param(const struct rga2_req *req)
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337 /*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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338 //check src width and height
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340 if(!((req->render_mode == color_fill_mode)))
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342 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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344 printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
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349 if(!((req->render_mode == color_fill_mode)))
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351 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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353 printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
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358 //check dst width and height
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359 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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361 printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
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365 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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367 printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
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372 if(unlikely(req->src.vir_w < req->src.act_w)){
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373 printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
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378 if(unlikely(req->dst.vir_w < req->dst.act_w)){
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379 if(req->rotate_mode != 1)
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381 printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
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389 static void rga2_copy_reg(struct rga2_reg *reg, uint32_t offset)
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395 if(atomic_read(®->session->task_running) != 0)
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396 printk(KERN_ERR "task_running is no zero\n");
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398 atomic_add(1, &rga2_service.cmd_num);
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399 atomic_add(1, ®->session->task_running);
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401 cmd_buf = (uint32_t *)rga2_service.cmd_buff + offset*32;
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402 reg_p = (uint32_t *)reg->cmd_reg;
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404 for(i=0; i<32; i++)
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405 cmd_buf[i] = reg_p[i];
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409 static struct rga2_reg * rga2_reg_init(rga2_session *session, struct rga2_req *req)
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412 struct rga2_reg *reg = kzalloc(sizeof(struct rga2_reg), GFP_KERNEL);
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414 pr_err("kmalloc fail in rga_reg_init\n");
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418 reg->session = session;
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419 INIT_LIST_HEAD(®->session_link);
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420 INIT_LIST_HEAD(®->status_link);
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422 reg->MMU_base = NULL;
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424 if ((req->mmu_info.src0_mmu_flag & 1) || (req->mmu_info.src1_mmu_flag & 1)
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425 || (req->mmu_info.dst_mmu_flag & 1) || (req->mmu_info.els_mmu_flag & 1))
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427 ret = rga2_set_mmu_info(reg, req);
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429 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
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437 if(RGA2_gen_reg_info((uint8_t *)reg->cmd_reg, req) == -1) {
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438 printk("gen reg info error\n");
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445 mutex_lock(&rga2_service.lock);
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446 list_add_tail(®->status_link, &rga2_service.waiting);
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447 list_add_tail(®->session_link, &session->waiting);
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448 mutex_unlock(&rga2_service.lock);
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454 /* Caller must hold rga_service.lock */
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455 static void rga2_reg_deinit(struct rga2_reg *reg)
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457 list_del_init(®->session_link);
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458 list_del_init(®->status_link);
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462 /* Caller must hold rga_service.lock */
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463 static void rga2_reg_from_wait_to_run(struct rga2_reg *reg)
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465 list_del_init(®->status_link);
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466 list_add_tail(®->status_link, &rga2_service.running);
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468 list_del_init(®->session_link);
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469 list_add_tail(®->session_link, ®->session->running);
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472 /* Caller must hold rga_service.lock */
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473 static void rga2_service_session_clear(rga2_session *session)
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475 struct rga2_reg *reg, *n;
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477 list_for_each_entry_safe(reg, n, &session->waiting, session_link)
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479 rga2_reg_deinit(reg);
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482 list_for_each_entry_safe(reg, n, &session->running, session_link)
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484 rga2_reg_deinit(reg);
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488 /* Caller must hold rga_service.lock */
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489 static void rga2_try_set_reg(void)
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491 struct rga2_reg *reg ;
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493 if (list_empty(&rga2_service.running))
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495 if (!list_empty(&rga2_service.waiting))
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498 reg = list_entry(rga2_service.waiting.next, struct rga2_reg, status_link);
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503 rga2_copy_reg(reg, 0);
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504 rga2_reg_from_wait_to_run(reg);
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507 dmac_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
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508 outer_flush_range(virt_to_phys(&rga2_service.cmd_buff[0]),virt_to_phys(&rga2_service.cmd_buff[32]));
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509 #elif defined(CONFIG_ARM64)
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510 __dma_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
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515 rga2_write(0x0, RGA2_SYS_CTRL);
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518 rga2_write(virt_to_phys(rga2_service.cmd_buff), RGA2_CMD_BASE);
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523 p = rga2_service.cmd_buff;
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524 printk("CMD_REG\n");
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525 for (i=0; i<8; i++)
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526 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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531 rga2_write((0x1<<1)|(0x1<<2)|(0x1<<5)|(0x1<<6), RGA2_SYS_CTRL);
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533 /* All CMD finish int */
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534 rga2_write(rga2_read(RGA2_INT)|(0x1<<10)|(0x1<<8), RGA2_INT);
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537 rga2_start = ktime_get();
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541 atomic_set(®->session->done, 0);
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542 rga2_write(0x1, RGA2_CMD_CTRL);
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547 printk("CMD_READ_BACK_REG\n");
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548 for (i=0; i<8; i++)
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549 printk("%.8x %.8x %.8x %.8x\n", rga2_read(0x100 + i*16 + 0),
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550 rga2_read(0x100 + i*16 + 4), rga2_read(0x100 + i*16 + 8), rga2_read(0x100 + i*16 + 12));
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560 /* Caller must hold rga_service.lock */
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561 static void rga2_del_running_list(void)
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563 struct rga2_reg *reg;
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565 while(!list_empty(&rga2_service.running))
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567 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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569 if(reg->MMU_len != 0)
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571 if (rga2_mmu_buf.back + reg->MMU_len > 2*rga2_mmu_buf.size)
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572 rga2_mmu_buf.back = reg->MMU_len + rga2_mmu_buf.size;
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574 rga2_mmu_buf.back += reg->MMU_len;
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576 atomic_sub(1, ®->session->task_running);
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577 atomic_sub(1, &rga2_service.total_running);
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579 if(list_empty(®->session->waiting))
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581 atomic_set(®->session->done, 1);
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582 wake_up(®->session->wait);
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585 rga2_reg_deinit(reg);
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589 /* Caller must hold rga_service.lock */
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590 static void rga2_del_running_list_timeout(void)
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592 struct rga2_reg *reg;
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594 while(!list_empty(&rga2_service.running))
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596 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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598 if(reg->MMU_base != NULL)
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600 kfree(reg->MMU_base);
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603 atomic_sub(1, ®->session->task_running);
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604 atomic_sub(1, &rga2_service.total_running);
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608 if(list_empty(®->session->waiting))
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610 atomic_set(®->session->done, 1);
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611 wake_up(®->session->wait);
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614 rga2_reg_deinit(reg);
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619 static int rga2_convert_dma_buf(struct rga2_req *req)
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621 struct ion_handle *hdl;
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622 ion_phys_addr_t phy_addr;
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626 req->sg_src0 = NULL;
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627 req->sg_src1 = NULL;
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628 req->sg_dst = NULL;
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629 req->sg_els = NULL;
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631 if(req->src.yrgb_addr) {
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632 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src.yrgb_addr);
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634 ret = PTR_ERR(hdl);
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635 printk("RGA2 ERROR ion buf handle\n");
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638 if (req->mmu_info.src0_mmu_flag) {
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639 req->sg_src0 = ion_sg_table(rga2_drvdata->ion_client, hdl);
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640 req->src.yrgb_addr = req->src.uv_addr;
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641 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
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642 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
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645 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
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646 req->src.yrgb_addr = phy_addr;
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647 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
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648 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
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650 ion_free(rga2_drvdata->ion_client, hdl);
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653 req->src.yrgb_addr = req->src.uv_addr;
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654 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
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655 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
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658 if(req->dst.yrgb_addr) {
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659 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->dst.yrgb_addr);
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661 ret = PTR_ERR(hdl);
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662 printk("RGA2 ERROR ion buf handle\n");
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665 if (req->mmu_info.dst_mmu_flag) {
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666 req->sg_dst = ion_sg_table(rga2_drvdata->ion_client, hdl);
\r
667 req->dst.yrgb_addr = req->dst.uv_addr;
\r
668 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
669 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
672 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
\r
673 req->dst.yrgb_addr = phy_addr;
\r
674 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
675 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
677 ion_free(rga2_drvdata->ion_client, hdl);
\r
680 req->dst.yrgb_addr = req->dst.uv_addr;
\r
681 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
682 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
685 if(req->src1.yrgb_addr) {
\r
686 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src1.yrgb_addr);
\r
688 ret = PTR_ERR(hdl);
\r
689 printk("RGA2 ERROR ion buf handle\n");
\r
692 if (req->mmu_info.dst_mmu_flag) {
\r
693 req->sg_src1 = ion_sg_table(rga2_drvdata->ion_client, hdl);
\r
694 req->src1.yrgb_addr = 0;
\r
695 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
696 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
699 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
\r
700 req->src1.yrgb_addr = phy_addr;
\r
701 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
702 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
704 ion_free(rga2_drvdata->ion_client, hdl);
\r
707 req->src1.yrgb_addr = req->dst.uv_addr;
\r
708 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
709 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
716 static int rga2_blit(rga2_session *session, struct rga2_req *req)
\r
720 struct rga2_reg *reg;
\r
722 if(rga2_convert_dma_buf(req)) {
\r
723 printk("RGA2 : DMA buf copy error\n");
\r
728 /* check value if legal */
\r
729 ret = rga2_check_param(req);
\r
730 if(ret == -EINVAL) {
\r
731 printk("req argument is inval\n");
\r
735 reg = rga2_reg_init(session, req);
\r
741 mutex_lock(&rga2_service.lock);
\r
742 atomic_add(num, &rga2_service.total_running);
\r
743 rga2_try_set_reg();
\r
744 mutex_unlock(&rga2_service.lock);
\r
753 static int rga2_blit_async(rga2_session *session, struct rga2_req *req)
\r
758 if (1) {//req->src.format >= 0x10) {
\r
761 printk("*** rga_blit_async proc ***\n");
\r
766 atomic_set(&session->done, 0);
\r
767 ret = rga2_blit(session, req);
\r
772 static int rga2_blit_sync(rga2_session *session, struct rga2_req *req)
\r
775 int ret_timeout = 0;
\r
778 if (1) {//req->bitblt_mode == 0x2) {
\r
781 printk("*** rga2_blit_sync proc ***\n");
\r
787 atomic_set(&session->done, 0);
\r
789 ret = rga2_blit(session, req);
\r
793 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
\r
795 if (unlikely(ret_timeout< 0))
\r
797 //pr_err("sync pid %d wait task ret %d\n", session->pid, ret_timeout);
\r
798 mutex_lock(&rga2_service.lock);
\r
799 rga2_del_running_list();
\r
800 mutex_unlock(&rga2_service.lock);
\r
803 else if (0 == ret_timeout)
\r
805 //pr_err("sync pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
\r
806 mutex_lock(&rga2_service.lock);
\r
807 rga2_del_running_list_timeout();
\r
808 rga2_try_set_reg();
\r
809 mutex_unlock(&rga2_service.lock);
\r
814 rga2_end = ktime_get();
\r
815 rga2_end = ktime_sub(rga2_end, rga2_start);
\r
816 printk("sync one cmd end time %d\n", (int)ktime_to_us(rga2_end));
\r
823 static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
\r
825 struct rga2_req req;
\r
826 struct rga_req req_rga;
\r
828 rga2_session *session;
\r
830 memset(&req, 0x0, sizeof(req));
\r
832 mutex_lock(&rga2_service.mutex);
\r
834 session = (rga2_session *)file->private_data;
\r
836 if (NULL == session)
\r
838 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
839 mutex_unlock(&rga2_service.mutex);
\r
843 memset(&req, 0x0, sizeof(req));
\r
847 case RGA_BLIT_SYNC:
\r
848 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
850 ERR("copy_from_user failed\n");
\r
854 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
856 ret = rga2_blit_sync(session, &req);
\r
858 case RGA_BLIT_ASYNC:
\r
859 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
861 ERR("copy_from_user failed\n");
\r
866 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
868 if((atomic_read(&rga2_service.total_running) > 8))
\r
870 ret = rga2_blit_sync(session, &req);
\r
874 ret = rga2_blit_async(session, &req);
\r
877 case RGA2_BLIT_SYNC:
\r
878 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
880 ERR("copy_from_user failed\n");
\r
884 ret = rga2_blit_sync(session, &req);
\r
886 case RGA2_BLIT_ASYNC:
\r
887 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
889 ERR("copy_from_user failed\n");
\r
894 if((atomic_read(&rga2_service.total_running) > 16))
\r
896 ret = rga2_blit_sync(session, &req);
\r
900 ret = rga2_blit_async(session, &req);
\r
905 ret = rga2_flush(session, arg);
\r
907 case RGA_GET_RESULT:
\r
908 case RGA2_GET_RESULT:
\r
909 ret = rga2_get_result(session, arg);
\r
911 case RGA_GET_VERSION:
\r
912 case RGA2_GET_VERSION:
\r
913 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
\r
917 ERR("unknown ioctl cmd!\n");
\r
922 mutex_unlock(&rga2_service.mutex);
\r
927 static long compat_rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
\r
929 struct rga2_req req;
\r
930 struct rga_req_32 req_rga;
\r
932 rga2_session *session;
\r
934 memset(&req, 0x0, sizeof(req));
\r
936 mutex_lock(&rga2_service.mutex);
\r
938 session = (rga2_session *)file->private_data;
\r
941 printk("use compat_rga_ioctl\n");
\r
944 if (NULL == session) {
\r
945 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
946 mutex_unlock(&rga2_service.mutex);
\r
950 memset(&req, 0x0, sizeof(req));
\r
953 case RGA_BLIT_SYNC:
\r
954 if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
\r
956 ERR("copy_from_user failed\n");
\r
961 RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
\r
963 ret = rga2_blit_sync(session, &req);
\r
965 case RGA_BLIT_ASYNC:
\r
966 if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
\r
968 ERR("copy_from_user failed\n");
\r
973 RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
\r
975 if((atomic_read(&rga2_service.total_running) > 8))
\r
976 ret = rga2_blit_sync(session, &req);
\r
978 ret = rga2_blit_async(session, &req);
\r
981 case RGA2_BLIT_SYNC:
\r
982 if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
\r
984 ERR("copy_from_user failed\n");
\r
988 ret = rga2_blit_sync(session, &req);
\r
990 case RGA2_BLIT_ASYNC:
\r
991 if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
\r
993 ERR("copy_from_user failed\n");
\r
998 if((atomic_read(&rga2_service.total_running) > 16))
\r
999 ret = rga2_blit_sync(session, &req);
\r
1001 ret = rga2_blit_async(session, &req);
\r
1006 ret = rga2_flush(session, arg);
\r
1008 case RGA_GET_RESULT:
\r
1009 case RGA2_GET_RESULT:
\r
1010 ret = rga2_get_result(session, arg);
\r
1012 case RGA_GET_VERSION:
\r
1013 case RGA2_GET_VERSION:
\r
1014 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
\r
1018 ERR("unknown ioctl cmd!\n");
\r
1023 mutex_unlock(&rga2_service.mutex);
\r
1030 long rga2_ioctl_kernel(struct rga_req *req_rga)
\r
1033 rga2_session *session;
\r
1034 struct rga2_req req;
\r
1036 memset(&req, 0x0, sizeof(req));
\r
1038 mutex_lock(&rga2_service.mutex);
\r
1040 session = &rga2_session_global;
\r
1042 if (NULL == session)
\r
1044 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
1045 mutex_unlock(&rga2_service.mutex);
\r
1049 RGA_MSG_2_RGA2_MSG(req_rga, &req);
\r
1050 ret = rga2_blit_sync(session, &req);
\r
1052 mutex_unlock(&rga2_service.mutex);
\r
1058 static int rga2_open(struct inode *inode, struct file *file)
\r
1060 rga2_session *session = kzalloc(sizeof(rga2_session), GFP_KERNEL);
\r
1061 if (NULL == session) {
\r
1062 pr_err("unable to allocate memory for rga_session.");
\r
1066 session->pid = current->pid;
\r
1067 //printk(KERN_DEBUG "+");
\r
1069 INIT_LIST_HEAD(&session->waiting);
\r
1070 INIT_LIST_HEAD(&session->running);
\r
1071 INIT_LIST_HEAD(&session->list_session);
\r
1072 init_waitqueue_head(&session->wait);
\r
1073 mutex_lock(&rga2_service.lock);
\r
1074 list_add_tail(&session->list_session, &rga2_service.session);
\r
1075 mutex_unlock(&rga2_service.lock);
\r
1076 atomic_set(&session->task_running, 0);
\r
1077 atomic_set(&session->num_done, 0);
\r
1079 file->private_data = (void *)session;
\r
1081 //DBG("*** rga dev opened by pid %d *** \n", session->pid);
\r
1082 return nonseekable_open(inode, file);
\r
1086 static int rga2_release(struct inode *inode, struct file *file)
\r
1089 rga2_session *session = (rga2_session *)file->private_data;
\r
1090 if (NULL == session)
\r
1092 //printk(KERN_DEBUG "-");
\r
1093 task_running = atomic_read(&session->task_running);
\r
1097 pr_err("rga2_service session %d still has %d task running when closing\n", session->pid, task_running);
\r
1102 wake_up(&session->wait);
\r
1103 mutex_lock(&rga2_service.lock);
\r
1104 list_del(&session->list_session);
\r
1105 rga2_service_session_clear(session);
\r
1107 mutex_unlock(&rga2_service.lock);
\r
1109 //DBG("*** rga dev close ***\n");
\r
1113 static irqreturn_t rga2_irq_thread(int irq, void *dev_id)
\r
1115 mutex_lock(&rga2_service.lock);
\r
1116 if (rga2_service.enable) {
\r
1117 rga2_del_running_list();
\r
1118 rga2_try_set_reg();
\r
1120 mutex_unlock(&rga2_service.lock);
\r
1122 return IRQ_HANDLED;
\r
1125 static irqreturn_t rga2_irq(int irq, void *dev_id)
\r
1128 rga2_write(rga2_read(RGA2_INT) | (0x1<<4) | (0x1<<5) | (0x1<<6) | (0x1<<7), RGA2_INT);
\r
1130 return IRQ_WAKE_THREAD;
\r
1133 struct file_operations rga2_fops = {
\r
1134 .owner = THIS_MODULE,
\r
1135 .open = rga2_open,
\r
1136 .release = rga2_release,
\r
1137 .unlocked_ioctl = rga_ioctl,
\r
1138 .compat_ioctl = compat_rga_ioctl,
\r
1141 static struct miscdevice rga2_dev ={
\r
1142 .minor = RGA2_MAJOR,
\r
1144 .fops = &rga2_fops,
\r
1147 static const struct of_device_id rockchip_rga_dt_ids[] = {
\r
1148 { .compatible = "rockchip,rk3368-rga2", },
\r
1152 static int rga2_drv_probe(struct platform_device *pdev)
\r
1154 struct rga2_drvdata_t *data;
\r
1155 struct resource *res;
\r
1158 mutex_init(&rga2_service.lock);
\r
1159 mutex_init(&rga2_service.mutex);
\r
1160 atomic_set(&rga2_service.total_running, 0);
\r
1161 atomic_set(&rga2_service.src_format_swt, 0);
\r
1162 rga2_service.last_prc_src_format = 1; /* default is yuv first*/
\r
1163 rga2_service.enable = false;
\r
1165 rga_ioctl_kernel_p = rga2_ioctl_kernel;
\r
1167 data = devm_kzalloc(&pdev->dev, sizeof(struct rga2_drvdata_t), GFP_KERNEL);
\r
1170 ERR("failed to allocate driver data.\n");
\r
1174 INIT_DELAYED_WORK(&data->power_off_work, rga2_power_off_work);
\r
1175 wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
\r
1177 //data->pd_rga2 = clk_get(NULL, "pd_rga");
\r
1178 data->rga2 = devm_clk_get(&pdev->dev, "clk_rga");
\r
1179 data->pd_rga2 = devm_clk_get(&pdev->dev, "pd_rga");
\r
1180 data->aclk_rga2 = devm_clk_get(&pdev->dev, "aclk_rga");
\r
1181 data->hclk_rga2 = devm_clk_get(&pdev->dev, "hclk_rga");
\r
1183 /* map the registers */
\r
1184 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
\r
1185 data->rga_base = devm_ioremap_resource(&pdev->dev, res);
\r
1186 if (!data->rga_base) {
\r
1187 ERR("rga ioremap failed\n");
\r
1193 data->irq = platform_get_irq(pdev, 0);
\r
1194 if (data->irq <= 0) {
\r
1195 ERR("failed to get rga irq resource (%d).\n", data->irq);
\r
1200 /* request the IRQ */
\r
1201 ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga2_irq, rga2_irq_thread, 0, "rga", pdev);
\r
1204 ERR("rga request_irq failed (%d).\n", ret);
\r
1208 platform_set_drvdata(pdev, data);
\r
1209 rga2_drvdata = data;
\r
1211 #if defined(CONFIG_ION_ROCKCHIP)
\r
1212 data->ion_client = rockchip_ion_client_create("rga");
\r
1213 if (IS_ERR(data->ion_client)) {
\r
1214 dev_err(&pdev->dev, "failed to create ion client for rga");
\r
1215 return PTR_ERR(data->ion_client);
\r
1217 dev_info(&pdev->dev, "rga ion client create success!\n");
\r
1221 ret = misc_register(&rga2_dev);
\r
1224 ERR("cannot register miscdev (%d)\n", ret);
\r
1225 goto err_misc_register;
\r
1228 pr_info("Driver loaded succesfully\n");
\r
1232 err_misc_register:
\r
1233 free_irq(data->irq, pdev);
\r
1235 iounmap(data->rga_base);
\r
1237 wake_lock_destroy(&data->wake_lock);
\r
1243 static int rga2_drv_remove(struct platform_device *pdev)
\r
1245 struct rga2_drvdata_t *data = platform_get_drvdata(pdev);
\r
1246 DBG("%s [%d]\n",__FUNCTION__,__LINE__);
\r
1248 wake_lock_destroy(&data->wake_lock);
\r
1249 misc_deregister(&(data->miscdev));
\r
1250 free_irq(data->irq, &data->miscdev);
\r
1251 iounmap((void __iomem *)(data->rga_base));
\r
1253 //clk_put(data->pd_rga2);
\r
1254 devm_clk_put(&pdev->dev, data->rga2);
\r
1255 devm_clk_put(&pdev->dev, data->pd_rga2);
\r
1256 devm_clk_put(&pdev->dev, data->aclk_rga2);
\r
1257 devm_clk_put(&pdev->dev, data->hclk_rga2);
\r
1263 static struct platform_driver rga2_driver = {
\r
1264 .probe = rga2_drv_probe,
\r
1265 .remove = rga2_drv_remove,
\r
1267 .owner = THIS_MODULE,
\r
1269 .of_match_table = of_match_ptr(rockchip_rga_dt_ids),
\r
1274 void rga2_test_0(void);
\r
1276 static int __init rga2_init(void)
\r
1281 /* malloc pre scale mid buf mmu table */
\r
1282 buf_p = kmalloc(1024*256, GFP_KERNEL);
\r
1283 rga2_mmu_buf.buf_virtual = buf_p;
\r
1284 rga2_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((unsigned long)buf_p));
\r
1285 rga2_mmu_buf.front = 0;
\r
1286 rga2_mmu_buf.back = 64*1024;
\r
1287 rga2_mmu_buf.size = 64*1024;
\r
1289 rga2_mmu_buf.pages = kmalloc(32768 * sizeof(struct page *), GFP_KERNEL);
\r
1291 if ((ret = platform_driver_register(&rga2_driver)) != 0)
\r
1293 printk(KERN_ERR "Platform device register failed (%d).\n", ret);
\r
1298 rga2_session_global.pid = 0x0000ffff;
\r
1299 INIT_LIST_HEAD(&rga2_session_global.waiting);
\r
1300 INIT_LIST_HEAD(&rga2_session_global.running);
\r
1301 INIT_LIST_HEAD(&rga2_session_global.list_session);
\r
1303 INIT_LIST_HEAD(&rga2_service.waiting);
\r
1304 INIT_LIST_HEAD(&rga2_service.running);
\r
1305 INIT_LIST_HEAD(&rga2_service.done);
\r
1306 INIT_LIST_HEAD(&rga2_service.session);
\r
1307 init_waitqueue_head(&rga2_session_global.wait);
\r
1308 //mutex_lock(&rga_service.lock);
\r
1309 list_add_tail(&rga2_session_global.list_session, &rga2_service.session);
\r
1310 //mutex_unlock(&rga_service.lock);
\r
1311 atomic_set(&rga2_session_global.task_running, 0);
\r
1312 atomic_set(&rga2_session_global.num_done, 0);
\r
1315 #if RGA2_TEST_CASE
\r
1319 INFO("Module initialized.\n");
\r
1324 static void __exit rga2_exit(void)
\r
1328 if (rga2_mmu_buf.buf_virtual)
\r
1329 kfree(rga2_mmu_buf.buf_virtual);
\r
1331 platform_driver_unregister(&rga2_driver);
\r
1335 #if RGA2_TEST_CASE
\r
1337 void rga2_test_0(void)
\r
1339 struct rga2_req req;
\r
1340 rga2_session session;
\r
1341 unsigned int *src, *dst;
\r
1345 uint32_t *dst0, *dst1, *dst2;
\r
1347 struct fb_info *fb;
\r
1349 session.pid = current->pid;
\r
1350 INIT_LIST_HEAD(&session.waiting);
\r
1351 INIT_LIST_HEAD(&session.running);
\r
1352 INIT_LIST_HEAD(&session.list_session);
\r
1353 init_waitqueue_head(&session.wait);
\r
1354 /* no need to protect */
\r
1355 list_add_tail(&session.list_session, &rga2_service.session);
\r
1356 atomic_set(&session.task_running, 0);
\r
1357 atomic_set(&session.num_done, 0);
\r
1358 //file->private_data = (void *)session;
\r
1360 //fb = rk_get_fb(0);
\r
1362 memset(&req, 0, sizeof(struct rga2_req));
\r
1363 src = kmalloc(800*480*4, GFP_KERNEL);
\r
1364 dst = kmalloc(800*480*4, GFP_KERNEL);
\r
1366 printk("\n********************************\n");
\r
1367 printk("************ RGA2_TEST ************\n");
\r
1368 printk("********************************\n\n");
\r
1370 memset(src, 0x80, 800*480*4);
\r
1371 memset(dst, 0x0, 800*480*4);
\r
1373 //dmac_flush_range(&src, &src[800*480*4]);
\r
1374 //outer_flush_range(virt_to_phys(&src),virt_to_phys(&src[800*480*4]));
\r
1378 memset(src_buf, 0x80, 800*480*4);
\r
1379 memset(dst_buf, 0xcc, 800*480*4);
\r
1381 dmac_flush_range(&dst_buf[0], &dst_buf[800*480]);
\r
1382 outer_flush_range(virt_to_phys(&dst_buf[0]),virt_to_phys(&dst_buf[800*480]));
\r
1392 req.pat.act_w = 16;
\r
1393 req.pat.act_h = 16;
\r
1394 req.pat.vir_w = 16;
\r
1395 req.pat.vir_h = 16;
\r
1396 req.pat.yrgb_addr = virt_to_phys(src);
\r
1397 req.render_mode = 0;
\r
1398 rga2_blit_sync(&session, &req);
\r
1401 req.src.act_w = 320;
\r
1402 req.src.act_h = 240;
\r
1404 req.src.vir_w = 320;
\r
1405 req.src.vir_h = 240;
\r
1406 req.src.yrgb_addr = 0;//(uint32_t)virt_to_phys(src);
\r
1407 req.src.uv_addr = (unsigned long)virt_to_phys(src);
\r
1408 req.src.v_addr = 0;
\r
1409 req.src.format = RGA2_FORMAT_RGBA_8888;
\r
1411 req.dst.act_w = 320;
\r
1412 req.dst.act_h = 240;
\r
1413 req.dst.x_offset = 0;
\r
1414 req.dst.y_offset = 0;
\r
1416 req.dst.vir_w = 320;
\r
1417 req.dst.vir_h = 240;
\r
1419 req.dst.yrgb_addr = 0;//((uint32_t)virt_to_phys(dst));
\r
1420 req.dst.uv_addr = (unsigned long)virt_to_phys(dst);
\r
1421 req.dst.format = RGA2_FORMAT_RGBA_8888;
\r
1425 //req.render_mode = color_fill_mode;
\r
1426 //req.fg_color = 0x80ffffff;
\r
1428 req.rotate_mode = 0;
\r
1429 req.scale_bicu_mode = 2;
\r
1431 //req.alpha_rop_flag = 0;
\r
1432 //req.alpha_rop_mode = 0x19;
\r
1433 //req.PD_mode = 3;
\r
1435 //req.mmu_info.mmu_flag = 0x21;
\r
1436 //req.mmu_info.mmu_en = 1;
\r
1438 //printk("src = %.8x\n", req.src.yrgb_addr);
\r
1439 //printk("src = %.8x\n", req.src.uv_addr);
\r
1440 //printk("dst = %.8x\n", req.dst.yrgb_addr);
\r
1442 rga2_blit_sync(&session, &req);
\r
1444 for(j=0; j<100; j++) {
\r
1445 printk("%.8x\n", dst[j]);
\r
1455 module_init(rga2_init);
\r
1456 module_exit(rga2_exit);
\r
1458 /* Module information */
\r
1459 MODULE_AUTHOR("zsq@rock-chips.com");
\r
1460 MODULE_DESCRIPTION("Driver for rga device");
\r
1461 MODULE_LICENSE("GPL");
\r