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_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(rga2_drvdata->pd_rga2);
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260 clk_disable_unprepare(rga2_drvdata->rga2);
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261 //clk_disable_unprepare(rga2_drvdata->pd_rga2);
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262 clk_disable_unprepare(rga2_drvdata->aclk_rga2);
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263 clk_disable_unprepare(rga2_drvdata->hclk_rga2);
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264 wake_unlock(&rga2_drvdata->wake_lock);
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265 rga2_service.enable = false;
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268 static void rga2_power_off_work(struct work_struct *work)
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270 if (mutex_trylock(&rga2_service.lock)) {
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272 mutex_unlock(&rga2_service.lock);
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274 /* Come back later if the device is busy... */
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275 rga2_queue_power_off_work();
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279 static int rga2_flush(rga2_session *session, unsigned long arg)
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284 #if RGA2_TEST_FLUSH_TIME
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287 start = ktime_get();
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290 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
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292 if (unlikely(ret_timeout < 0)) {
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293 //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
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294 mutex_lock(&rga2_service.lock);
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295 rga2_del_running_list();
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296 mutex_unlock(&rga2_service.lock);
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298 } else if (0 == ret_timeout) {
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299 //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
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300 //printk("bus = %.8x\n", rga_read(RGA_INT));
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301 mutex_lock(&rga2_service.lock);
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302 rga2_del_running_list_timeout();
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303 rga2_try_set_reg();
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304 mutex_unlock(&rga2_service.lock);
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308 #if RGA2_TEST_FLUSH_TIME
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310 end = ktime_sub(end, start);
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311 printk("one flush wait time %d\n", (int)ktime_to_us(end));
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318 static int rga2_get_result(rga2_session *session, unsigned long arg)
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320 //printk("rga_get_result %d\n",drvdata->rga_result);
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326 num_done = atomic_read(&session->num_done);
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328 if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
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329 printk("copy_to_user failed\n");
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336 static int rga2_check_param(const struct rga2_req *req)
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338 /*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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339 //check src width and height
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341 if(!((req->render_mode == color_fill_mode)))
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343 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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345 printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
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350 if(!((req->render_mode == color_fill_mode)))
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352 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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354 printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
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359 //check dst width and height
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360 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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362 printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
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366 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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368 printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
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373 if(unlikely(req->src.vir_w < req->src.act_w)){
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374 printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
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379 if(unlikely(req->dst.vir_w < req->dst.act_w)){
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380 if(req->rotate_mode != 1)
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382 printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
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390 static void rga2_copy_reg(struct rga2_reg *reg, uint32_t offset)
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396 if(atomic_read(®->session->task_running) != 0)
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397 printk(KERN_ERR "task_running is no zero\n");
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399 atomic_add(1, &rga2_service.cmd_num);
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400 atomic_add(1, ®->session->task_running);
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402 cmd_buf = (uint32_t *)rga2_service.cmd_buff + offset*32;
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403 reg_p = (uint32_t *)reg->cmd_reg;
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405 for(i=0; i<32; i++)
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406 cmd_buf[i] = reg_p[i];
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410 static struct rga2_reg * rga2_reg_init(rga2_session *session, struct rga2_req *req)
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413 struct rga2_reg *reg = kzalloc(sizeof(struct rga2_reg), GFP_KERNEL);
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415 pr_err("kmalloc fail in rga_reg_init\n");
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419 reg->session = session;
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420 INIT_LIST_HEAD(®->session_link);
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421 INIT_LIST_HEAD(®->status_link);
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423 reg->MMU_base = NULL;
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425 if ((req->mmu_info.src0_mmu_flag & 1) || (req->mmu_info.src1_mmu_flag & 1)
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426 || (req->mmu_info.dst_mmu_flag & 1) || (req->mmu_info.els_mmu_flag & 1))
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428 ret = rga2_set_mmu_info(reg, req);
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430 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
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438 if(RGA2_gen_reg_info((uint8_t *)reg->cmd_reg, req) == -1) {
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439 printk("gen reg info error\n");
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446 mutex_lock(&rga2_service.lock);
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447 list_add_tail(®->status_link, &rga2_service.waiting);
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448 list_add_tail(®->session_link, &session->waiting);
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449 mutex_unlock(&rga2_service.lock);
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455 /* Caller must hold rga_service.lock */
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456 static void rga2_reg_deinit(struct rga2_reg *reg)
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458 list_del_init(®->session_link);
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459 list_del_init(®->status_link);
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463 /* Caller must hold rga_service.lock */
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464 static void rga2_reg_from_wait_to_run(struct rga2_reg *reg)
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466 list_del_init(®->status_link);
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467 list_add_tail(®->status_link, &rga2_service.running);
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469 list_del_init(®->session_link);
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470 list_add_tail(®->session_link, ®->session->running);
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473 /* Caller must hold rga_service.lock */
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474 static void rga2_service_session_clear(rga2_session *session)
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476 struct rga2_reg *reg, *n;
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478 list_for_each_entry_safe(reg, n, &session->waiting, session_link)
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480 rga2_reg_deinit(reg);
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483 list_for_each_entry_safe(reg, n, &session->running, session_link)
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485 rga2_reg_deinit(reg);
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489 /* Caller must hold rga_service.lock */
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490 static void rga2_try_set_reg(void)
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492 struct rga2_reg *reg ;
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494 if (list_empty(&rga2_service.running))
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496 if (!list_empty(&rga2_service.waiting))
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499 reg = list_entry(rga2_service.waiting.next, struct rga2_reg, status_link);
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504 rga2_copy_reg(reg, 0);
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505 rga2_reg_from_wait_to_run(reg);
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508 dmac_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
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509 outer_flush_range(virt_to_phys(&rga2_service.cmd_buff[0]),virt_to_phys(&rga2_service.cmd_buff[32]));
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510 #elif defined(CONFIG_ARM64)
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511 __dma_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
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516 rga2_write(0x0, RGA2_SYS_CTRL);
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519 rga2_write(virt_to_phys(rga2_service.cmd_buff), RGA2_CMD_BASE);
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524 p = rga2_service.cmd_buff;
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525 printk("CMD_REG\n");
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526 for (i=0; i<8; i++)
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527 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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532 rga2_write((0x1<<1)|(0x1<<2)|(0x1<<5)|(0x1<<6), RGA2_SYS_CTRL);
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534 /* All CMD finish int */
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535 rga2_write(rga2_read(RGA2_INT)|(0x1<<10)|(0x1<<8), RGA2_INT);
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538 rga2_start = ktime_get();
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542 atomic_set(®->session->done, 0);
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543 rga2_write(0x1, RGA2_CMD_CTRL);
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548 printk("CMD_READ_BACK_REG\n");
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549 for (i=0; i<8; i++)
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550 printk("%.8x %.8x %.8x %.8x\n", rga2_read(0x100 + i*16 + 0),
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551 rga2_read(0x100 + i*16 + 4), rga2_read(0x100 + i*16 + 8), rga2_read(0x100 + i*16 + 12));
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561 /* Caller must hold rga_service.lock */
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562 static void rga2_del_running_list(void)
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564 struct rga2_reg *reg;
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566 while(!list_empty(&rga2_service.running))
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568 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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570 if(reg->MMU_len != 0)
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572 if (rga2_mmu_buf.back + reg->MMU_len > 2*rga2_mmu_buf.size)
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573 rga2_mmu_buf.back = reg->MMU_len + rga2_mmu_buf.size;
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575 rga2_mmu_buf.back += reg->MMU_len;
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577 atomic_sub(1, ®->session->task_running);
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578 atomic_sub(1, &rga2_service.total_running);
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580 if(list_empty(®->session->waiting))
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582 atomic_set(®->session->done, 1);
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583 wake_up(®->session->wait);
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586 rga2_reg_deinit(reg);
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590 /* Caller must hold rga_service.lock */
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591 static void rga2_del_running_list_timeout(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_base != NULL)
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601 kfree(reg->MMU_base);
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604 atomic_sub(1, ®->session->task_running);
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605 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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620 static int rga2_convert_dma_buf(struct rga2_req *req)
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622 struct ion_handle *hdl;
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623 ion_phys_addr_t phy_addr;
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627 req->sg_src0 = NULL;
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628 req->sg_src1 = NULL;
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629 req->sg_dst = NULL;
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630 req->sg_els = NULL;
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632 if(req->src.yrgb_addr) {
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633 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src.yrgb_addr);
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635 ret = PTR_ERR(hdl);
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636 printk("RGA2 ERROR ion buf handle\n");
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639 if (req->mmu_info.src0_mmu_flag) {
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640 req->sg_src0 = ion_sg_table(rga2_drvdata->ion_client, hdl);
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641 req->src.yrgb_addr = req->src.uv_addr;
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642 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
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643 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
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646 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
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647 req->src.yrgb_addr = phy_addr;
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648 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
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649 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
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651 ion_free(rga2_drvdata->ion_client, hdl);
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654 req->src.yrgb_addr = req->src.uv_addr;
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655 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
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656 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
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659 if(req->dst.yrgb_addr) {
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660 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->dst.yrgb_addr);
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662 ret = PTR_ERR(hdl);
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663 printk("RGA2 ERROR ion buf handle\n");
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666 if (req->mmu_info.dst_mmu_flag) {
\r
667 req->sg_dst = ion_sg_table(rga2_drvdata->ion_client, hdl);
\r
668 req->dst.yrgb_addr = req->dst.uv_addr;
\r
669 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
670 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
673 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
\r
674 req->dst.yrgb_addr = phy_addr;
\r
675 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
676 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
678 ion_free(rga2_drvdata->ion_client, hdl);
\r
681 req->dst.yrgb_addr = req->dst.uv_addr;
\r
682 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
683 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
686 if(req->src1.yrgb_addr) {
\r
687 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src1.yrgb_addr);
\r
689 ret = PTR_ERR(hdl);
\r
690 printk("RGA2 ERROR ion buf handle\n");
\r
693 if (req->mmu_info.dst_mmu_flag) {
\r
694 req->sg_src1 = ion_sg_table(rga2_drvdata->ion_client, hdl);
\r
695 req->src1.yrgb_addr = 0;
\r
696 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
697 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
700 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
\r
701 req->src1.yrgb_addr = phy_addr;
\r
702 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
703 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
705 ion_free(rga2_drvdata->ion_client, hdl);
\r
708 req->src1.yrgb_addr = req->dst.uv_addr;
\r
709 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
710 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
717 static int rga2_blit(rga2_session *session, struct rga2_req *req)
\r
721 struct rga2_reg *reg;
\r
723 if(rga2_convert_dma_buf(req)) {
\r
724 printk("RGA2 : DMA buf copy error\n");
\r
729 /* check value if legal */
\r
730 ret = rga2_check_param(req);
\r
731 if(ret == -EINVAL) {
\r
732 printk("req argument is inval\n");
\r
736 reg = rga2_reg_init(session, req);
\r
742 mutex_lock(&rga2_service.lock);
\r
743 atomic_add(num, &rga2_service.total_running);
\r
744 rga2_try_set_reg();
\r
745 mutex_unlock(&rga2_service.lock);
\r
754 static int rga2_blit_async(rga2_session *session, struct rga2_req *req)
\r
759 if (1) {//req->src.format >= 0x10) {
\r
762 printk("*** rga_blit_async proc ***\n");
\r
767 atomic_set(&session->done, 0);
\r
768 ret = rga2_blit(session, req);
\r
773 static int rga2_blit_sync(rga2_session *session, struct rga2_req *req)
\r
776 int ret_timeout = 0;
\r
779 if (1) {//req->bitblt_mode == 0x2) {
\r
782 printk("*** rga2_blit_sync proc ***\n");
\r
788 atomic_set(&session->done, 0);
\r
790 ret = rga2_blit(session, req);
\r
794 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
\r
796 if (unlikely(ret_timeout< 0))
\r
798 //pr_err("sync pid %d wait task ret %d\n", session->pid, ret_timeout);
\r
799 mutex_lock(&rga2_service.lock);
\r
800 rga2_del_running_list();
\r
801 mutex_unlock(&rga2_service.lock);
\r
804 else if (0 == ret_timeout)
\r
806 //pr_err("sync pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
\r
807 mutex_lock(&rga2_service.lock);
\r
808 rga2_del_running_list_timeout();
\r
809 rga2_try_set_reg();
\r
810 mutex_unlock(&rga2_service.lock);
\r
815 rga2_end = ktime_get();
\r
816 rga2_end = ktime_sub(rga2_end, rga2_start);
\r
817 printk("sync one cmd end time %d\n", (int)ktime_to_us(rga2_end));
\r
824 static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
\r
826 struct rga2_req req;
\r
827 struct rga_req req_rga;
\r
829 rga2_session *session;
\r
831 memset(&req, 0x0, sizeof(req));
\r
833 mutex_lock(&rga2_service.mutex);
\r
835 session = (rga2_session *)file->private_data;
\r
837 if (NULL == session)
\r
839 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
840 mutex_unlock(&rga2_service.mutex);
\r
844 memset(&req, 0x0, sizeof(req));
\r
848 case RGA_BLIT_SYNC:
\r
849 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
851 ERR("copy_from_user failed\n");
\r
855 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
857 ret = rga2_blit_sync(session, &req);
\r
859 case RGA_BLIT_ASYNC:
\r
860 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
862 ERR("copy_from_user failed\n");
\r
867 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
869 if((atomic_read(&rga2_service.total_running) > 8))
\r
871 ret = rga2_blit_sync(session, &req);
\r
875 ret = rga2_blit_async(session, &req);
\r
878 case RGA2_BLIT_SYNC:
\r
879 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
881 ERR("copy_from_user failed\n");
\r
885 ret = rga2_blit_sync(session, &req);
\r
887 case RGA2_BLIT_ASYNC:
\r
888 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
890 ERR("copy_from_user failed\n");
\r
895 if((atomic_read(&rga2_service.total_running) > 16))
\r
897 ret = rga2_blit_sync(session, &req);
\r
901 ret = rga2_blit_async(session, &req);
\r
906 ret = rga2_flush(session, arg);
\r
908 case RGA_GET_RESULT:
\r
909 case RGA2_GET_RESULT:
\r
910 ret = rga2_get_result(session, arg);
\r
912 case RGA_GET_VERSION:
\r
913 case RGA2_GET_VERSION:
\r
914 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
\r
918 ERR("unknown ioctl cmd!\n");
\r
923 mutex_unlock(&rga2_service.mutex);
\r
928 static long compat_rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
\r
930 struct rga2_req req;
\r
931 struct rga_req_32 req_rga;
\r
933 rga2_session *session;
\r
935 memset(&req, 0x0, sizeof(req));
\r
937 mutex_lock(&rga2_service.mutex);
\r
939 session = (rga2_session *)file->private_data;
\r
942 printk("use compat_rga_ioctl\n");
\r
945 if (NULL == session) {
\r
946 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
947 mutex_unlock(&rga2_service.mutex);
\r
951 memset(&req, 0x0, sizeof(req));
\r
954 case RGA_BLIT_SYNC:
\r
955 if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
\r
957 ERR("copy_from_user failed\n");
\r
962 RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
\r
964 ret = rga2_blit_sync(session, &req);
\r
966 case RGA_BLIT_ASYNC:
\r
967 if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
\r
969 ERR("copy_from_user failed\n");
\r
974 RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
\r
976 if((atomic_read(&rga2_service.total_running) > 8))
\r
978 ret = rga2_blit_sync(session, &req);
\r
982 ret = rga2_blit_async(session, &req);
\r
985 case RGA2_BLIT_SYNC:
\r
986 if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
\r
988 ERR("copy_from_user failed\n");
\r
992 ret = rga2_blit_sync(session, &req);
\r
994 case RGA2_BLIT_ASYNC:
\r
995 if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
\r
997 ERR("copy_from_user failed\n");
\r
1002 if((atomic_read(&rga2_service.total_running) > 16))
\r
1004 ret = rga2_blit_sync(session, &req);
\r
1008 ret = rga2_blit_async(session, &req);
\r
1013 ret = rga2_flush(session, arg);
\r
1015 case RGA_GET_RESULT:
\r
1016 case RGA2_GET_RESULT:
\r
1017 ret = rga2_get_result(session, arg);
\r
1019 case RGA_GET_VERSION:
\r
1020 case RGA2_GET_VERSION:
\r
1021 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
\r
1025 ERR("unknown ioctl cmd!\n");
\r
1030 mutex_unlock(&rga2_service.mutex);
\r
1037 long rga2_ioctl_kernel(struct rga_req *req_rga)
\r
1040 rga2_session *session;
\r
1041 struct rga2_req req;
\r
1043 memset(&req, 0x0, sizeof(req));
\r
1045 mutex_lock(&rga2_service.mutex);
\r
1047 session = &rga2_session_global;
\r
1049 if (NULL == session)
\r
1051 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
1052 mutex_unlock(&rga2_service.mutex);
\r
1056 RGA_MSG_2_RGA2_MSG(req_rga, &req);
\r
1057 ret = rga2_blit_sync(session, &req);
\r
1059 mutex_unlock(&rga2_service.mutex);
\r
1065 static int rga2_open(struct inode *inode, struct file *file)
\r
1067 rga2_session *session = kzalloc(sizeof(rga2_session), GFP_KERNEL);
\r
1068 if (NULL == session) {
\r
1069 pr_err("unable to allocate memory for rga_session.");
\r
1073 session->pid = current->pid;
\r
1074 //printk(KERN_DEBUG "+");
\r
1076 INIT_LIST_HEAD(&session->waiting);
\r
1077 INIT_LIST_HEAD(&session->running);
\r
1078 INIT_LIST_HEAD(&session->list_session);
\r
1079 init_waitqueue_head(&session->wait);
\r
1080 mutex_lock(&rga2_service.lock);
\r
1081 list_add_tail(&session->list_session, &rga2_service.session);
\r
1082 mutex_unlock(&rga2_service.lock);
\r
1083 atomic_set(&session->task_running, 0);
\r
1084 atomic_set(&session->num_done, 0);
\r
1086 file->private_data = (void *)session;
\r
1088 //DBG("*** rga dev opened by pid %d *** \n", session->pid);
\r
1089 return nonseekable_open(inode, file);
\r
1093 static int rga2_release(struct inode *inode, struct file *file)
\r
1096 rga2_session *session = (rga2_session *)file->private_data;
\r
1097 if (NULL == session)
\r
1099 //printk(KERN_DEBUG "-");
\r
1100 task_running = atomic_read(&session->task_running);
\r
1104 pr_err("rga2_service session %d still has %d task running when closing\n", session->pid, task_running);
\r
1109 wake_up(&session->wait);
\r
1110 mutex_lock(&rga2_service.lock);
\r
1111 list_del(&session->list_session);
\r
1112 rga2_service_session_clear(session);
\r
1114 mutex_unlock(&rga2_service.lock);
\r
1116 //DBG("*** rga dev close ***\n");
\r
1120 static irqreturn_t rga2_irq_thread(int irq, void *dev_id)
\r
1122 mutex_lock(&rga2_service.lock);
\r
1123 if (rga2_service.enable) {
\r
1124 rga2_del_running_list();
\r
1125 rga2_try_set_reg();
\r
1127 mutex_unlock(&rga2_service.lock);
\r
1129 return IRQ_HANDLED;
\r
1132 static irqreturn_t rga2_irq(int irq, void *dev_id)
\r
1135 rga2_write(rga2_read(RGA2_INT) | (0x1<<4) | (0x1<<5) | (0x1<<6) | (0x1<<7), RGA2_INT);
\r
1137 return IRQ_WAKE_THREAD;
\r
1140 struct file_operations rga2_fops = {
\r
1141 .owner = THIS_MODULE,
\r
1142 .open = rga2_open,
\r
1143 .release = rga2_release,
\r
1144 .unlocked_ioctl = rga_ioctl,
\r
1145 .compat_ioctl = compat_rga_ioctl,
\r
1148 static struct miscdevice rga2_dev ={
\r
1149 .minor = RGA2_MAJOR,
\r
1151 .fops = &rga2_fops,
\r
1154 static const struct of_device_id rockchip_rga_dt_ids[] = {
\r
1155 { .compatible = "rockchip,rk3368-rga2", },
\r
1159 static int rga2_drv_probe(struct platform_device *pdev)
\r
1161 struct rga2_drvdata_t *data;
\r
1162 struct resource *res;
\r
1165 mutex_init(&rga2_service.lock);
\r
1166 mutex_init(&rga2_service.mutex);
\r
1167 atomic_set(&rga2_service.total_running, 0);
\r
1168 atomic_set(&rga2_service.src_format_swt, 0);
\r
1169 rga2_service.last_prc_src_format = 1; /* default is yuv first*/
\r
1170 rga2_service.enable = false;
\r
1172 rga_ioctl_kernel_p = rga2_ioctl_kernel;
\r
1174 data = devm_kzalloc(&pdev->dev, sizeof(struct rga2_drvdata_t), GFP_KERNEL);
\r
1177 ERR("failed to allocate driver data.\n");
\r
1181 INIT_DELAYED_WORK(&data->power_off_work, rga2_power_off_work);
\r
1182 wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
\r
1184 //data->pd_rga2 = clk_get(NULL, "pd_rga");
\r
1185 data->rga2 = devm_clk_get(&pdev->dev, "clk_rga");
\r
1186 data->pd_rga2 = devm_clk_get(&pdev->dev, "pd_rga");
\r
1187 data->aclk_rga2 = devm_clk_get(&pdev->dev, "aclk_rga");
\r
1188 data->hclk_rga2 = devm_clk_get(&pdev->dev, "hclk_rga");
\r
1190 /* map the registers */
\r
1191 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
\r
1192 data->rga_base = devm_ioremap_resource(&pdev->dev, res);
\r
1193 if (!data->rga_base) {
\r
1194 ERR("rga ioremap failed\n");
\r
1200 data->irq = platform_get_irq(pdev, 0);
\r
1201 if (data->irq <= 0) {
\r
1202 ERR("failed to get rga irq resource (%d).\n", data->irq);
\r
1207 /* request the IRQ */
\r
1208 ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga2_irq, rga2_irq_thread, 0, "rga", pdev);
\r
1211 ERR("rga request_irq failed (%d).\n", ret);
\r
1215 platform_set_drvdata(pdev, data);
\r
1216 rga2_drvdata = data;
\r
1218 #if defined(CONFIG_ION_ROCKCHIP)
\r
1219 data->ion_client = rockchip_ion_client_create("rga");
\r
1220 if (IS_ERR(data->ion_client)) {
\r
1221 dev_err(&pdev->dev, "failed to create ion client for rga");
\r
1222 return PTR_ERR(data->ion_client);
\r
1224 dev_info(&pdev->dev, "rga ion client create success!\n");
\r
1228 ret = misc_register(&rga2_dev);
\r
1231 ERR("cannot register miscdev (%d)\n", ret);
\r
1232 goto err_misc_register;
\r
1235 pr_info("Driver loaded succesfully\n");
\r
1239 err_misc_register:
\r
1240 free_irq(data->irq, pdev);
\r
1242 iounmap(data->rga_base);
\r
1244 wake_lock_destroy(&data->wake_lock);
\r
1250 static int rga2_drv_remove(struct platform_device *pdev)
\r
1252 struct rga2_drvdata_t *data = platform_get_drvdata(pdev);
\r
1253 DBG("%s [%d]\n",__FUNCTION__,__LINE__);
\r
1255 wake_lock_destroy(&data->wake_lock);
\r
1256 misc_deregister(&(data->miscdev));
\r
1257 free_irq(data->irq, &data->miscdev);
\r
1258 iounmap((void __iomem *)(data->rga_base));
\r
1260 //clk_put(data->pd_rga2);
\r
1261 devm_clk_put(&pdev->dev, data->rga2);
\r
1262 devm_clk_put(&pdev->dev, data->aclk_rga2);
\r
1263 devm_clk_put(&pdev->dev, data->hclk_rga2);
\r
1269 static struct platform_driver rga2_driver = {
\r
1270 .probe = rga2_drv_probe,
\r
1271 .remove = rga2_drv_remove,
\r
1273 .owner = THIS_MODULE,
\r
1275 .of_match_table = of_match_ptr(rockchip_rga_dt_ids),
\r
1280 void rga2_test_0(void);
\r
1282 static int __init rga2_init(void)
\r
1287 /* malloc pre scale mid buf mmu table */
\r
1288 buf_p = kmalloc(1024*256, GFP_KERNEL);
\r
1289 rga2_mmu_buf.buf_virtual = buf_p;
\r
1290 rga2_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((unsigned long)buf_p));
\r
1291 rga2_mmu_buf.front = 0;
\r
1292 rga2_mmu_buf.back = 64*1024;
\r
1293 rga2_mmu_buf.size = 64*1024;
\r
1295 rga2_mmu_buf.pages = kmalloc(32768 * sizeof(struct page *), GFP_KERNEL);
\r
1297 if ((ret = platform_driver_register(&rga2_driver)) != 0)
\r
1299 printk(KERN_ERR "Platform device register failed (%d).\n", ret);
\r
1304 rga2_session_global.pid = 0x0000ffff;
\r
1305 INIT_LIST_HEAD(&rga2_session_global.waiting);
\r
1306 INIT_LIST_HEAD(&rga2_session_global.running);
\r
1307 INIT_LIST_HEAD(&rga2_session_global.list_session);
\r
1309 INIT_LIST_HEAD(&rga2_service.waiting);
\r
1310 INIT_LIST_HEAD(&rga2_service.running);
\r
1311 INIT_LIST_HEAD(&rga2_service.done);
\r
1312 INIT_LIST_HEAD(&rga2_service.session);
\r
1313 init_waitqueue_head(&rga2_session_global.wait);
\r
1314 //mutex_lock(&rga_service.lock);
\r
1315 list_add_tail(&rga2_session_global.list_session, &rga2_service.session);
\r
1316 //mutex_unlock(&rga_service.lock);
\r
1317 atomic_set(&rga2_session_global.task_running, 0);
\r
1318 atomic_set(&rga2_session_global.num_done, 0);
\r
1321 #if RGA2_TEST_CASE
\r
1325 INFO("Module initialized.\n");
\r
1330 static void __exit rga2_exit(void)
\r
1334 if (rga2_mmu_buf.buf_virtual)
\r
1335 kfree(rga2_mmu_buf.buf_virtual);
\r
1337 platform_driver_unregister(&rga2_driver);
\r
1341 #if RGA2_TEST_CASE
\r
1343 void rga2_test_0(void)
\r
1345 struct rga2_req req;
\r
1346 rga2_session session;
\r
1347 unsigned int *src, *dst;
\r
1351 uint32_t *dst0, *dst1, *dst2;
\r
1353 struct fb_info *fb;
\r
1355 session.pid = current->pid;
\r
1356 INIT_LIST_HEAD(&session.waiting);
\r
1357 INIT_LIST_HEAD(&session.running);
\r
1358 INIT_LIST_HEAD(&session.list_session);
\r
1359 init_waitqueue_head(&session.wait);
\r
1360 /* no need to protect */
\r
1361 list_add_tail(&session.list_session, &rga2_service.session);
\r
1362 atomic_set(&session.task_running, 0);
\r
1363 atomic_set(&session.num_done, 0);
\r
1364 //file->private_data = (void *)session;
\r
1366 //fb = rk_get_fb(0);
\r
1368 memset(&req, 0, sizeof(struct rga2_req));
\r
1369 src = kmalloc(800*480*4, GFP_KERNEL);
\r
1370 dst = kmalloc(800*480*4, GFP_KERNEL);
\r
1372 printk("\n********************************\n");
\r
1373 printk("************ RGA2_TEST ************\n");
\r
1374 printk("********************************\n\n");
\r
1376 memset(src, 0x80, 800*480*4);
\r
1377 memset(dst, 0x0, 800*480*4);
\r
1379 //dmac_flush_range(&src, &src[800*480*4]);
\r
1380 //outer_flush_range(virt_to_phys(&src),virt_to_phys(&src[800*480*4]));
\r
1384 memset(src_buf, 0x80, 800*480*4);
\r
1385 memset(dst_buf, 0xcc, 800*480*4);
\r
1387 dmac_flush_range(&dst_buf[0], &dst_buf[800*480]);
\r
1388 outer_flush_range(virt_to_phys(&dst_buf[0]),virt_to_phys(&dst_buf[800*480]));
\r
1398 req.pat.act_w = 16;
\r
1399 req.pat.act_h = 16;
\r
1400 req.pat.vir_w = 16;
\r
1401 req.pat.vir_h = 16;
\r
1402 req.pat.yrgb_addr = virt_to_phys(src);
\r
1403 req.render_mode = 0;
\r
1404 rga2_blit_sync(&session, &req);
\r
1407 req.src.act_w = 320;
\r
1408 req.src.act_h = 240;
\r
1410 req.src.vir_w = 320;
\r
1411 req.src.vir_h = 240;
\r
1412 req.src.yrgb_addr = 0;//(uint32_t)virt_to_phys(src);
\r
1413 req.src.uv_addr = (unsigned long)virt_to_phys(src);
\r
1414 req.src.v_addr = 0;
\r
1415 req.src.format = RGA2_FORMAT_RGBA_8888;
\r
1417 req.dst.act_w = 320;
\r
1418 req.dst.act_h = 240;
\r
1419 req.dst.x_offset = 0;
\r
1420 req.dst.y_offset = 0;
\r
1422 req.dst.vir_w = 320;
\r
1423 req.dst.vir_h = 240;
\r
1425 req.dst.yrgb_addr = 0;//((uint32_t)virt_to_phys(dst));
\r
1426 req.dst.uv_addr = (unsigned long)virt_to_phys(dst);
\r
1427 req.dst.format = RGA2_FORMAT_RGBA_8888;
\r
1431 //req.render_mode = color_fill_mode;
\r
1432 //req.fg_color = 0x80ffffff;
\r
1434 req.rotate_mode = 0;
\r
1435 req.scale_bicu_mode = 2;
\r
1437 //req.alpha_rop_flag = 0;
\r
1438 //req.alpha_rop_mode = 0x19;
\r
1439 //req.PD_mode = 3;
\r
1441 //req.mmu_info.mmu_flag = 0x21;
\r
1442 //req.mmu_info.mmu_en = 1;
\r
1444 //printk("src = %.8x\n", req.src.yrgb_addr);
\r
1445 //printk("src = %.8x\n", req.src.uv_addr);
\r
1446 //printk("dst = %.8x\n", req.dst.yrgb_addr);
\r
1448 rga2_blit_sync(&session, &req);
\r
1450 for(j=0; j<100; j++) {
\r
1451 printk("%.8x\n", dst[j]);
\r
1461 module_init(rga2_init);
\r
1462 module_exit(rga2_exit);
\r
1464 /* Module information */
\r
1465 MODULE_AUTHOR("zsq@rock-chips.com");
\r
1466 MODULE_DESCRIPTION("Driver for rga device");
\r
1467 MODULE_LICENSE("GPL");
\r