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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79 int first_RGA2_proc = 0;
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81 extern long (*rga_ioctl_kernel_p)(struct rga_req *);
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83 rga2_session rga2_session_global;
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85 struct rga2_drvdata_t {
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86 struct miscdevice miscdev;
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91 struct delayed_work power_off_work;
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92 void (*rga_irq_callback)(int rga_retval); //callback function used by aync call
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93 struct wake_lock wake_lock;
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95 struct clk *aclk_rga2;
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96 struct clk *hclk_rga2;
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97 struct clk *pd_rga2;
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100 #if defined(CONFIG_ION_ROCKCHIP)
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101 struct ion_client * ion_client;
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105 struct rga2_drvdata_t *rga2_drvdata;
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107 struct rga2_service_info rga2_service;
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108 struct rga2_mmu_buf_t rga2_mmu_buf;
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110 #if defined(CONFIG_ION_ROCKCHIP)
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111 extern struct ion_client *rockchip_ion_client_create(const char * name);
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114 static int rga2_blit_async(rga2_session *session, struct rga2_req *req);
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115 static void rga2_del_running_list(void);
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116 static void rga2_del_running_list_timeout(void);
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117 static void rga2_try_set_reg(void);
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121 #define RGA_DEBUG 0
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123 #define DBG(format, args...) printk(KERN_DEBUG "%s: " format, DRIVER_NAME, ## args)
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124 #define ERR(format, args...) printk(KERN_ERR "%s: " format, DRIVER_NAME, ## args)
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125 #define WARNING(format, args...) printk(KERN_WARN "%s: " format, DRIVER_NAME, ## args)
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126 #define INFO(format, args...) printk(KERN_INFO "%s: " format, DRIVER_NAME, ## args)
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128 #define DBG(format, args...)
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129 #define ERR(format, args...)
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130 #define WARNING(format, args...)
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131 #define INFO(format, args...)
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135 static void print_info(struct rga2_req *req)
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137 printk("render_mode=%d bitblt_mode=%d rotate_mode=%.8x\n",
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138 req->render_mode, req->bitblt_mode, req->rotate_mode);
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139 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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140 req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format,
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141 req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h,
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142 req->src.x_offset, req->src.y_offset);
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143 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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144 req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr, req->dst.format,
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145 req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h,
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146 req->dst.x_offset, req->dst.y_offset);
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147 printk("mmu : src=%.2x src1=%.2x dst=%.2x els=%.2x\n",
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148 req->mmu_info.src0_mmu_flag, req->mmu_info.src1_mmu_flag,
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149 req->mmu_info.dst_mmu_flag, req->mmu_info.els_mmu_flag);
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150 printk("alpha : flag %.8x mode0=%.8x mode1=%.8x\n",
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151 req->alpha_rop_flag, req->alpha_mode_0, req->alpha_mode_1);
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156 static inline void rga2_write(u32 b, u32 r)
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158 //__raw_writel(b, rga2_drvdata->rga_base + r);
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160 *((volatile unsigned int *)(rga2_drvdata->rga_base + r)) = b;
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163 static inline u32 rga2_read(u32 r)
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165 //return __raw_readl(rga2_drvdata->rga_base + r);
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167 return *((volatile unsigned int *)(rga2_drvdata->rga_base + r));
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170 static void rga2_soft_reset(void)
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175 rga2_write((1 << 3) | (1 << 4), RGA2_SYS_CTRL); //RGA_SYS_CTRL
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177 for(i = 0; i < RGA2_RESET_TIMEOUT; i++)
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179 reg = rga2_read(RGA2_SYS_CTRL) & 1; //RGA_SYS_CTRL
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187 if(i == RGA2_RESET_TIMEOUT)
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188 ERR("soft reset timeout.\n");
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191 static void rga2_dump(void)
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194 struct rga2_reg *reg, *reg_tmp;
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195 rga2_session *session, *session_tmp;
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197 running = atomic_read(&rga2_service.total_running);
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198 printk("rga total_running %d\n", running);
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200 list_for_each_entry_safe(session, session_tmp, &rga2_service.session, list_session)
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202 printk("session pid %d:\n", session->pid);
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203 running = atomic_read(&session->task_running);
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204 printk("task_running %d\n", running);
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205 list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)
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207 printk("waiting register set 0x%.lu\n", (unsigned long)reg);
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209 list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
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211 printk("running register set 0x%.lu\n", (unsigned long)reg);
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216 static inline void rga2_queue_power_off_work(void)
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218 queue_delayed_work(system_nrt_wq, &rga2_drvdata->power_off_work, RGA2_POWER_OFF_DELAY);
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221 /* Caller must hold rga_service.lock */
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222 static void rga2_power_on(void)
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224 static ktime_t last;
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225 ktime_t now = ktime_get();
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227 if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
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228 cancel_delayed_work_sync(&rga2_drvdata->power_off_work);
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229 rga2_queue_power_off_work();
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232 if (rga2_service.enable)
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235 clk_prepare_enable(rga2_drvdata->rga2);
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236 clk_prepare_enable(rga2_drvdata->aclk_rga2);
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237 clk_prepare_enable(rga2_drvdata->hclk_rga2);
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238 clk_prepare_enable(rga2_drvdata->pd_rga2);
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239 wake_lock(&rga2_drvdata->wake_lock);
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240 rga2_service.enable = true;
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243 /* Caller must hold rga_service.lock */
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244 static void rga2_power_off(void)
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248 if (!rga2_service.enable) {
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252 total_running = atomic_read(&rga2_service.total_running);
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253 if (total_running) {
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254 pr_err("power off when %d task running!!\n", total_running);
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256 pr_err("delay 50 ms for running task\n");
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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 first_RGA2_proc = 0;
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266 rga2_service.enable = false;
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269 static void rga2_power_off_work(struct work_struct *work)
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271 if (mutex_trylock(&rga2_service.lock)) {
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273 mutex_unlock(&rga2_service.lock);
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275 /* Come back later if the device is busy... */
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276 rga2_queue_power_off_work();
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280 static int rga2_flush(rga2_session *session, unsigned long arg)
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285 #if RGA2_TEST_FLUSH_TIME
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288 start = ktime_get();
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291 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
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293 if (unlikely(ret_timeout < 0)) {
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294 //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
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295 mutex_lock(&rga2_service.lock);
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296 rga2_del_running_list();
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297 mutex_unlock(&rga2_service.lock);
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299 } else if (0 == ret_timeout) {
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300 //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
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301 //printk("bus = %.8x\n", rga_read(RGA_INT));
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302 mutex_lock(&rga2_service.lock);
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303 rga2_del_running_list_timeout();
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304 rga2_try_set_reg();
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305 mutex_unlock(&rga2_service.lock);
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309 #if RGA2_TEST_FLUSH_TIME
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311 end = ktime_sub(end, start);
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312 printk("one flush wait time %d\n", (int)ktime_to_us(end));
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319 static int rga2_get_result(rga2_session *session, unsigned long arg)
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321 //printk("rga_get_result %d\n",drvdata->rga_result);
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327 num_done = atomic_read(&session->num_done);
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329 if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
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330 printk("copy_to_user failed\n");
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337 static int rga2_check_param(const struct rga2_req *req)
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339 /*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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340 //check src width and height
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342 if(!((req->render_mode == color_fill_mode)))
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344 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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346 printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
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351 if(!((req->render_mode == color_fill_mode)))
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353 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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355 printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
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360 //check dst width and height
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361 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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363 printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
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367 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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369 printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
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374 if(unlikely(req->src.vir_w < req->src.act_w)){
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375 printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
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380 if(unlikely(req->dst.vir_w < req->dst.act_w)){
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381 if(req->rotate_mode != 1)
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383 printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
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391 static void rga2_copy_reg(struct rga2_reg *reg, uint32_t offset)
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397 if(atomic_read(®->session->task_running) != 0)
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398 printk(KERN_ERR "task_running is no zero\n");
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400 atomic_add(1, &rga2_service.cmd_num);
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401 atomic_add(1, ®->session->task_running);
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403 cmd_buf = (uint32_t *)rga2_service.cmd_buff + offset*32;
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404 reg_p = (uint32_t *)reg->cmd_reg;
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406 for(i=0; i<32; i++)
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407 cmd_buf[i] = reg_p[i];
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411 static struct rga2_reg * rga2_reg_init(rga2_session *session, struct rga2_req *req)
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414 struct rga2_reg *reg = kzalloc(sizeof(struct rga2_reg), GFP_KERNEL);
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416 pr_err("kmalloc fail in rga_reg_init\n");
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420 reg->session = session;
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421 INIT_LIST_HEAD(®->session_link);
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422 INIT_LIST_HEAD(®->status_link);
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424 reg->MMU_base = NULL;
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426 if ((req->mmu_info.src0_mmu_flag & 1) || (req->mmu_info.src1_mmu_flag & 1)
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427 || (req->mmu_info.dst_mmu_flag & 1) || (req->mmu_info.els_mmu_flag & 1))
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429 ret = rga2_set_mmu_info(reg, req);
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431 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
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439 if(RGA2_gen_reg_info((uint8_t *)reg->cmd_reg, req) == -1) {
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440 printk("gen reg info error\n");
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447 mutex_lock(&rga2_service.lock);
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448 list_add_tail(®->status_link, &rga2_service.waiting);
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449 list_add_tail(®->session_link, &session->waiting);
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450 mutex_unlock(&rga2_service.lock);
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456 /* Caller must hold rga_service.lock */
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457 static void rga2_reg_deinit(struct rga2_reg *reg)
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459 list_del_init(®->session_link);
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460 list_del_init(®->status_link);
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464 /* Caller must hold rga_service.lock */
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465 static void rga2_reg_from_wait_to_run(struct rga2_reg *reg)
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467 list_del_init(®->status_link);
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468 list_add_tail(®->status_link, &rga2_service.running);
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470 list_del_init(®->session_link);
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471 list_add_tail(®->session_link, ®->session->running);
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474 /* Caller must hold rga_service.lock */
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475 static void rga2_service_session_clear(rga2_session *session)
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477 struct rga2_reg *reg, *n;
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479 list_for_each_entry_safe(reg, n, &session->waiting, session_link)
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481 rga2_reg_deinit(reg);
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484 list_for_each_entry_safe(reg, n, &session->running, session_link)
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486 rga2_reg_deinit(reg);
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490 /* Caller must hold rga_service.lock */
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491 static void rga2_try_set_reg(void)
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493 struct rga2_reg *reg ;
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495 if (list_empty(&rga2_service.running))
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497 if (!list_empty(&rga2_service.waiting))
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500 reg = list_entry(rga2_service.waiting.next, struct rga2_reg, status_link);
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505 rga2_copy_reg(reg, 0);
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506 rga2_reg_from_wait_to_run(reg);
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509 dmac_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
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510 outer_flush_range(virt_to_phys(&rga2_service.cmd_buff[0]),virt_to_phys(&rga2_service.cmd_buff[32]));
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511 #elif defined(CONFIG_ARM64)
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512 __dma_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
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515 //rga2_soft_reset();
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517 rga2_write(0x0, RGA2_SYS_CTRL);
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520 rga2_write(virt_to_phys(rga2_service.cmd_buff), RGA2_CMD_BASE);
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525 p = rga2_service.cmd_buff;
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526 printk("CMD_REG\n");
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527 for (i=0; i<8; i++)
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528 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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533 rga2_write((0x1<<1)|(0x1<<2)|(0x1<<5)|(0x1<<6), RGA2_SYS_CTRL);
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535 /* All CMD finish int */
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536 rga2_write(rga2_read(RGA2_INT)|(0x1<<10)|(0x1<<9)|(0x1<<8), RGA2_INT);
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539 rga2_start = ktime_get();
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543 atomic_set(®->session->done, 0);
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544 rga2_write(0x1, RGA2_CMD_CTRL);
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549 printk("CMD_READ_BACK_REG\n");
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550 for (i=0; i<8; i++)
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551 printk("%.8x %.8x %.8x %.8x\n", rga2_read(0x100 + i*16 + 0),
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552 rga2_read(0x100 + i*16 + 4), rga2_read(0x100 + i*16 + 8), rga2_read(0x100 + i*16 + 12));
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562 /* Caller must hold rga_service.lock */
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563 static void rga2_del_running_list(void)
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565 struct rga2_reg *reg;
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567 while(!list_empty(&rga2_service.running))
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569 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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571 if(reg->MMU_len != 0)
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573 if (rga2_mmu_buf.back + reg->MMU_len > 2*rga2_mmu_buf.size)
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574 rga2_mmu_buf.back = reg->MMU_len + rga2_mmu_buf.size;
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576 rga2_mmu_buf.back += reg->MMU_len;
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578 atomic_sub(1, ®->session->task_running);
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579 atomic_sub(1, &rga2_service.total_running);
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581 if(list_empty(®->session->waiting))
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583 atomic_set(®->session->done, 1);
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584 wake_up(®->session->wait);
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587 rga2_reg_deinit(reg);
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591 /* Caller must hold rga_service.lock */
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592 static void rga2_del_running_list_timeout(void)
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594 struct rga2_reg *reg;
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596 while(!list_empty(&rga2_service.running))
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598 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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600 if(reg->MMU_base != NULL)
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602 kfree(reg->MMU_base);
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605 atomic_sub(1, ®->session->task_running);
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606 atomic_sub(1, &rga2_service.total_running);
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610 if(list_empty(®->session->waiting))
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612 atomic_set(®->session->done, 1);
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613 wake_up(®->session->wait);
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616 rga2_reg_deinit(reg);
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621 static int rga2_convert_dma_buf(struct rga2_req *req)
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623 struct ion_handle *hdl;
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624 ion_phys_addr_t phy_addr;
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628 req->sg_src0 = NULL;
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629 req->sg_src1 = NULL;
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630 req->sg_dst = NULL;
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631 req->sg_els = NULL;
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633 if((int)req->src.yrgb_addr > 0) {
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634 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src.yrgb_addr);
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636 ret = PTR_ERR(hdl);
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637 printk("RGA2 SRC ERROR ion buf handle\n");
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640 if (req->mmu_info.src0_mmu_flag) {
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641 req->sg_src0 = ion_sg_table(rga2_drvdata->ion_client, hdl);
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642 req->src.yrgb_addr = req->src.uv_addr;
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643 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
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644 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
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647 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
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648 req->src.yrgb_addr = phy_addr;
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649 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
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650 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
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652 ion_free(rga2_drvdata->ion_client, hdl);
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655 req->src.yrgb_addr = req->src.uv_addr;
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656 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
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657 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
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660 if((int)req->dst.yrgb_addr > 0) {
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661 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->dst.yrgb_addr);
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663 ret = PTR_ERR(hdl);
\r
664 printk("RGA2 DST ERROR ion buf handle\n");
\r
667 if (req->mmu_info.dst_mmu_flag) {
\r
668 req->sg_dst = ion_sg_table(rga2_drvdata->ion_client, hdl);
\r
669 req->dst.yrgb_addr = req->dst.uv_addr;
\r
670 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
671 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
674 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
\r
675 req->dst.yrgb_addr = phy_addr;
\r
676 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
677 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
679 ion_free(rga2_drvdata->ion_client, hdl);
\r
682 req->dst.yrgb_addr = req->dst.uv_addr;
\r
683 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
684 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
687 if((int)req->src1.yrgb_addr > 0) {
\r
688 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src1.yrgb_addr);
\r
690 ret = PTR_ERR(hdl);
\r
691 printk("RGA2 ERROR ion buf handle\n");
\r
694 if (req->mmu_info.dst_mmu_flag) {
\r
695 req->sg_src1 = ion_sg_table(rga2_drvdata->ion_client, hdl);
\r
696 req->src1.yrgb_addr = 0;
\r
697 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
698 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
701 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
\r
702 req->src1.yrgb_addr = phy_addr;
\r
703 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
704 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
706 ion_free(rga2_drvdata->ion_client, hdl);
\r
709 req->src1.yrgb_addr = req->dst.uv_addr;
\r
710 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
711 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
718 static int rga2_blit(rga2_session *session, struct rga2_req *req)
\r
722 struct rga2_reg *reg;
\r
724 if(rga2_convert_dma_buf(req)) {
\r
725 printk("RGA2 : DMA buf copy error\n");
\r
730 /* check value if legal */
\r
731 ret = rga2_check_param(req);
\r
732 if(ret == -EINVAL) {
\r
733 printk("req argument is inval\n");
\r
737 reg = rga2_reg_init(session, req);
\r
743 mutex_lock(&rga2_service.lock);
\r
744 atomic_add(num, &rga2_service.total_running);
\r
745 rga2_try_set_reg();
\r
746 mutex_unlock(&rga2_service.lock);
\r
755 static int rga2_blit_async(rga2_session *session, struct rga2_req *req)
\r
760 if (1) {//req->src.format >= 0x10) {
\r
763 printk("*** rga_blit_async proc ***\n");
\r
768 atomic_set(&session->done, 0);
\r
769 ret = rga2_blit(session, req);
\r
774 static int rga2_blit_sync(rga2_session *session, struct rga2_req *req)
\r
777 int ret_timeout = 0;
\r
780 if (1) {//req->bitblt_mode == 0x2) {
\r
783 printk("*** rga2_blit_sync proc ***\n");
\r
789 atomic_set(&session->done, 0);
\r
791 ret = rga2_blit(session, req);
\r
795 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
\r
797 if (unlikely(ret_timeout< 0))
\r
799 //pr_err("sync pid %d wait task ret %d\n", session->pid, ret_timeout);
\r
800 mutex_lock(&rga2_service.lock);
\r
801 rga2_del_running_list();
\r
802 mutex_unlock(&rga2_service.lock);
\r
805 else if (0 == ret_timeout)
\r
807 //pr_err("sync pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
\r
808 mutex_lock(&rga2_service.lock);
\r
809 rga2_del_running_list_timeout();
\r
810 rga2_try_set_reg();
\r
811 mutex_unlock(&rga2_service.lock);
\r
816 rga2_end = ktime_get();
\r
817 rga2_end = ktime_sub(rga2_end, rga2_start);
\r
818 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, req_first;
\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 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
\r
858 memcpy(&req_first, &req, sizeof(struct rga2_req));
\r
859 if ((req_first.src.act_w != req_first.dst.act_w)
\r
860 || (req_first.src.act_h != req_first.dst.act_h)) {
\r
861 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
\r
862 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
\r
863 req_first.dst.act_w = req_first.src.act_w;
\r
864 req_first.dst.act_h = req_first.src.act_h;
\r
865 ret = rga2_blit_async(session, &req_first);
\r
867 ret = rga2_blit_sync(session, &req);
\r
868 first_RGA2_proc = 1;
\r
871 ret = rga2_blit_sync(session, &req);
\r
874 case RGA_BLIT_ASYNC:
\r
875 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
877 ERR("copy_from_user failed\n");
\r
882 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
884 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
\r
885 memcpy(&req_first, &req, sizeof(struct rga2_req));
\r
886 if ((req_first.src.act_w != req_first.dst.act_w)
\r
887 || (req_first.src.act_h != req_first.dst.act_h)) {
\r
888 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
\r
889 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
\r
890 req_first.dst.act_w = req_first.src.act_w;
\r
891 req_first.dst.act_h = req_first.src.act_h;
\r
892 ret = rga2_blit_async(session, &req_first);
\r
894 ret = rga2_blit_async(session, &req);
\r
895 first_RGA2_proc = 1;
\r
898 ret = rga2_blit_async(session, &req);
\r
901 case RGA2_BLIT_SYNC:
\r
902 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
904 ERR("copy_from_user failed\n");
\r
908 ret = rga2_blit_sync(session, &req);
\r
910 case RGA2_BLIT_ASYNC:
\r
911 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
913 ERR("copy_from_user failed\n");
\r
918 if((atomic_read(&rga2_service.total_running) > 16))
\r
920 ret = rga2_blit_sync(session, &req);
\r
924 ret = rga2_blit_async(session, &req);
\r
929 ret = rga2_flush(session, arg);
\r
931 case RGA_GET_RESULT:
\r
932 case RGA2_GET_RESULT:
\r
933 ret = rga2_get_result(session, arg);
\r
935 case RGA_GET_VERSION:
\r
936 case RGA2_GET_VERSION:
\r
937 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
\r
941 ERR("unknown ioctl cmd!\n");
\r
946 mutex_unlock(&rga2_service.mutex);
\r
951 #ifdef CONFIG_COMPAT
\r
952 static long compat_rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
\r
954 struct rga2_req req, req_first;
\r
955 struct rga_req_32 req_rga;
\r
957 rga2_session *session;
\r
959 memset(&req, 0x0, sizeof(req));
\r
961 mutex_lock(&rga2_service.mutex);
\r
963 session = (rga2_session *)file->private_data;
\r
966 printk("use compat_rga_ioctl\n");
\r
969 if (NULL == session) {
\r
970 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
971 mutex_unlock(&rga2_service.mutex);
\r
975 memset(&req, 0x0, sizeof(req));
\r
978 case RGA_BLIT_SYNC:
\r
979 if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
\r
981 ERR("copy_from_user failed\n");
\r
986 RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
\r
988 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
\r
989 memcpy(&req_first, &req, sizeof(struct rga2_req));
\r
990 if ((req_first.src.act_w != req_first.dst.act_w)
\r
991 || (req_first.src.act_h != req_first.dst.act_h)) {
\r
992 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
\r
993 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
\r
994 req_first.dst.act_w = req_first.src.act_w;
\r
995 req_first.dst.act_h = req_first.src.act_h;
\r
996 ret = rga2_blit_async(session, &req_first);
\r
998 ret = rga2_blit_sync(session, &req);
\r
999 first_RGA2_proc = 1;
\r
1002 ret = rga2_blit_sync(session, &req);
\r
1005 case RGA_BLIT_ASYNC:
\r
1006 if (unlikely(copy_from_user(&req_rga, compat_ptr((compat_uptr_t)arg), sizeof(struct rga_req_32))))
\r
1008 ERR("copy_from_user failed\n");
\r
1012 RGA_MSG_2_RGA2_MSG_32(&req_rga, &req);
\r
1014 if (first_RGA2_proc == 0 && req.bitblt_mode == bitblt_mode && rga2_service.dev_mode == 1) {
\r
1015 memcpy(&req_first, &req, sizeof(struct rga2_req));
\r
1016 if ((req_first.src.act_w != req_first.dst.act_w)
\r
1017 || (req_first.src.act_h != req_first.dst.act_h)) {
\r
1018 req_first.src.act_w = MIN(320, MIN(req_first.src.act_w, req_first.dst.act_w));
\r
1019 req_first.src.act_h = MIN(240, MIN(req_first.src.act_h, req_first.dst.act_h));
\r
1020 req_first.dst.act_w = req_first.src.act_w;
\r
1021 req_first.dst.act_h = req_first.src.act_h;
\r
1022 ret = rga2_blit_async(session, &req_first);
\r
1024 ret = rga2_blit_sync(session, &req);
\r
1025 first_RGA2_proc = 1;
\r
1028 ret = rga2_blit_sync(session, &req);
\r
1031 //if((atomic_read(&rga2_service.total_running) > 8))
\r
1032 // ret = rga2_blit_sync(session, &req);
\r
1034 // ret = rga2_blit_async(session, &req);
\r
1037 case RGA2_BLIT_SYNC:
\r
1038 if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
\r
1040 ERR("copy_from_user failed\n");
\r
1044 ret = rga2_blit_sync(session, &req);
\r
1046 case RGA2_BLIT_ASYNC:
\r
1047 if (unlikely(copy_from_user(&req, compat_ptr((compat_uptr_t)arg), sizeof(struct rga2_req))))
\r
1049 ERR("copy_from_user failed\n");
\r
1054 if((atomic_read(&rga2_service.total_running) > 16))
\r
1055 ret = rga2_blit_sync(session, &req);
\r
1057 ret = rga2_blit_async(session, &req);
\r
1062 ret = rga2_flush(session, arg);
\r
1064 case RGA_GET_RESULT:
\r
1065 case RGA2_GET_RESULT:
\r
1066 ret = rga2_get_result(session, arg);
\r
1068 case RGA_GET_VERSION:
\r
1069 case RGA2_GET_VERSION:
\r
1070 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
\r
1074 ERR("unknown ioctl cmd!\n");
\r
1079 mutex_unlock(&rga2_service.mutex);
\r
1086 long rga2_ioctl_kernel(struct rga_req *req_rga)
\r
1089 rga2_session *session;
\r
1090 struct rga2_req req;
\r
1092 memset(&req, 0x0, sizeof(req));
\r
1094 mutex_lock(&rga2_service.mutex);
\r
1096 session = &rga2_session_global;
\r
1098 if (NULL == session)
\r
1100 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
1101 mutex_unlock(&rga2_service.mutex);
\r
1105 RGA_MSG_2_RGA2_MSG(req_rga, &req);
\r
1106 ret = rga2_blit_sync(session, &req);
\r
1108 mutex_unlock(&rga2_service.mutex);
\r
1114 static int rga2_open(struct inode *inode, struct file *file)
\r
1116 rga2_session *session = kzalloc(sizeof(rga2_session), GFP_KERNEL);
\r
1117 if (NULL == session) {
\r
1118 pr_err("unable to allocate memory for rga_session.");
\r
1122 session->pid = current->pid;
\r
1123 //printk(KERN_DEBUG "+");
\r
1125 INIT_LIST_HEAD(&session->waiting);
\r
1126 INIT_LIST_HEAD(&session->running);
\r
1127 INIT_LIST_HEAD(&session->list_session);
\r
1128 init_waitqueue_head(&session->wait);
\r
1129 mutex_lock(&rga2_service.lock);
\r
1130 list_add_tail(&session->list_session, &rga2_service.session);
\r
1131 mutex_unlock(&rga2_service.lock);
\r
1132 atomic_set(&session->task_running, 0);
\r
1133 atomic_set(&session->num_done, 0);
\r
1135 file->private_data = (void *)session;
\r
1137 //DBG("*** rga dev opened by pid %d *** \n", session->pid);
\r
1138 return nonseekable_open(inode, file);
\r
1142 static int rga2_release(struct inode *inode, struct file *file)
\r
1145 rga2_session *session = (rga2_session *)file->private_data;
\r
1146 if (NULL == session)
\r
1148 //printk(KERN_DEBUG "-");
\r
1149 task_running = atomic_read(&session->task_running);
\r
1153 pr_err("rga2_service session %d still has %d task running when closing\n", session->pid, task_running);
\r
1158 wake_up(&session->wait);
\r
1159 mutex_lock(&rga2_service.lock);
\r
1160 list_del(&session->list_session);
\r
1161 rga2_service_session_clear(session);
\r
1163 mutex_unlock(&rga2_service.lock);
\r
1165 //DBG("*** rga dev close ***\n");
\r
1169 static irqreturn_t rga2_irq_thread(int irq, void *dev_id)
\r
1171 mutex_lock(&rga2_service.lock);
\r
1172 if (rga2_service.enable) {
\r
1173 rga2_del_running_list();
\r
1174 rga2_try_set_reg();
\r
1176 mutex_unlock(&rga2_service.lock);
\r
1178 return IRQ_HANDLED;
\r
1181 static irqreturn_t rga2_irq(int irq, void *dev_id)
\r
1184 rga2_write(rga2_read(RGA2_INT) | (0x1<<4) | (0x1<<5) | (0x1<<6) | (0x1<<7), RGA2_INT);
\r
1186 return IRQ_WAKE_THREAD;
\r
1189 struct file_operations rga2_fops = {
\r
1190 .owner = THIS_MODULE,
\r
1191 .open = rga2_open,
\r
1192 .release = rga2_release,
\r
1193 .unlocked_ioctl = rga_ioctl,
\r
1194 #ifdef CONFIG_COMPAT
\r
1195 .compat_ioctl = compat_rga_ioctl,
\r
1199 static struct miscdevice rga2_dev ={
\r
1200 .minor = RGA2_MAJOR,
\r
1202 .fops = &rga2_fops,
\r
1205 static const struct of_device_id rockchip_rga_dt_ids[] = {
\r
1206 { .compatible = "rockchip,rga2", },
\r
1210 static int rga2_drv_probe(struct platform_device *pdev)
\r
1212 struct rga2_drvdata_t *data;
\r
1213 struct resource *res;
\r
1215 struct device_node *np = pdev->dev.of_node;
\r
1217 mutex_init(&rga2_service.lock);
\r
1218 mutex_init(&rga2_service.mutex);
\r
1219 atomic_set(&rga2_service.total_running, 0);
\r
1220 atomic_set(&rga2_service.src_format_swt, 0);
\r
1221 rga2_service.last_prc_src_format = 1; /* default is yuv first*/
\r
1222 rga2_service.enable = false;
\r
1224 rga_ioctl_kernel_p = rga2_ioctl_kernel;
\r
1226 data = devm_kzalloc(&pdev->dev, sizeof(struct rga2_drvdata_t), GFP_KERNEL);
\r
1229 ERR("failed to allocate driver data.\n");
\r
1233 INIT_DELAYED_WORK(&data->power_off_work, rga2_power_off_work);
\r
1234 wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
\r
1236 //data->pd_rga2 = clk_get(NULL, "pd_rga");
\r
1237 data->rga2 = devm_clk_get(&pdev->dev, "clk_rga");
\r
1238 data->pd_rga2 = devm_clk_get(&pdev->dev, "pd_rga");
\r
1239 data->aclk_rga2 = devm_clk_get(&pdev->dev, "aclk_rga");
\r
1240 data->hclk_rga2 = devm_clk_get(&pdev->dev, "hclk_rga");
\r
1242 /* map the registers */
\r
1243 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
\r
1244 data->rga_base = devm_ioremap_resource(&pdev->dev, res);
\r
1245 if (!data->rga_base) {
\r
1246 ERR("rga ioremap failed\n");
\r
1252 data->irq = platform_get_irq(pdev, 0);
\r
1253 if (data->irq <= 0) {
\r
1254 ERR("failed to get rga irq resource (%d).\n", data->irq);
\r
1259 /* request the IRQ */
\r
1260 ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga2_irq, rga2_irq_thread, 0, "rga", pdev);
\r
1263 ERR("rga request_irq failed (%d).\n", ret);
\r
1267 platform_set_drvdata(pdev, data);
\r
1268 rga2_drvdata = data;
\r
1269 of_property_read_u32(np, "dev_mode", &rga2_service.dev_mode);
\r
1271 #if defined(CONFIG_ION_ROCKCHIP)
\r
1272 data->ion_client = rockchip_ion_client_create("rga");
\r
1273 if (IS_ERR(data->ion_client)) {
\r
1274 dev_err(&pdev->dev, "failed to create ion client for rga");
\r
1275 return PTR_ERR(data->ion_client);
\r
1277 dev_info(&pdev->dev, "rga ion client create success!\n");
\r
1281 ret = misc_register(&rga2_dev);
\r
1284 ERR("cannot register miscdev (%d)\n", ret);
\r
1285 goto err_misc_register;
\r
1288 pr_info("Driver loaded succesfully\n");
\r
1292 err_misc_register:
\r
1293 free_irq(data->irq, pdev);
\r
1295 iounmap(data->rga_base);
\r
1297 wake_lock_destroy(&data->wake_lock);
\r
1303 static int rga2_drv_remove(struct platform_device *pdev)
\r
1305 struct rga2_drvdata_t *data = platform_get_drvdata(pdev);
\r
1306 DBG("%s [%d]\n",__FUNCTION__,__LINE__);
\r
1308 wake_lock_destroy(&data->wake_lock);
\r
1309 misc_deregister(&(data->miscdev));
\r
1310 free_irq(data->irq, &data->miscdev);
\r
1311 iounmap((void __iomem *)(data->rga_base));
\r
1313 //clk_put(data->pd_rga2);
\r
1314 devm_clk_put(&pdev->dev, data->rga2);
\r
1315 devm_clk_put(&pdev->dev, data->pd_rga2);
\r
1316 devm_clk_put(&pdev->dev, data->aclk_rga2);
\r
1317 devm_clk_put(&pdev->dev, data->hclk_rga2);
\r
1323 static struct platform_driver rga2_driver = {
\r
1324 .probe = rga2_drv_probe,
\r
1325 .remove = rga2_drv_remove,
\r
1327 .owner = THIS_MODULE,
\r
1329 .of_match_table = of_match_ptr(rockchip_rga_dt_ids),
\r
1334 void rga2_test_0(void);
\r
1336 static int __init rga2_init(void)
\r
1341 /* malloc pre scale mid buf mmu table */
\r
1342 buf_p = kmalloc(1024*256, GFP_KERNEL);
\r
1343 rga2_mmu_buf.buf_virtual = buf_p;
\r
1344 rga2_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((unsigned long)buf_p));
\r
1345 rga2_mmu_buf.front = 0;
\r
1346 rga2_mmu_buf.back = 64*1024;
\r
1347 rga2_mmu_buf.size = 64*1024;
\r
1349 rga2_mmu_buf.pages = kmalloc(32768 * sizeof(struct page *), GFP_KERNEL);
\r
1351 if ((ret = platform_driver_register(&rga2_driver)) != 0)
\r
1353 printk(KERN_ERR "Platform device register failed (%d).\n", ret);
\r
1358 rga2_session_global.pid = 0x0000ffff;
\r
1359 INIT_LIST_HEAD(&rga2_session_global.waiting);
\r
1360 INIT_LIST_HEAD(&rga2_session_global.running);
\r
1361 INIT_LIST_HEAD(&rga2_session_global.list_session);
\r
1363 INIT_LIST_HEAD(&rga2_service.waiting);
\r
1364 INIT_LIST_HEAD(&rga2_service.running);
\r
1365 INIT_LIST_HEAD(&rga2_service.done);
\r
1366 INIT_LIST_HEAD(&rga2_service.session);
\r
1367 init_waitqueue_head(&rga2_session_global.wait);
\r
1368 //mutex_lock(&rga_service.lock);
\r
1369 list_add_tail(&rga2_session_global.list_session, &rga2_service.session);
\r
1370 //mutex_unlock(&rga_service.lock);
\r
1371 atomic_set(&rga2_session_global.task_running, 0);
\r
1372 atomic_set(&rga2_session_global.num_done, 0);
\r
1375 #if RGA2_TEST_CASE
\r
1379 INFO("Module initialized.\n");
\r
1384 static void __exit rga2_exit(void)
\r
1388 if (rga2_mmu_buf.buf_virtual)
\r
1389 kfree(rga2_mmu_buf.buf_virtual);
\r
1391 platform_driver_unregister(&rga2_driver);
\r
1395 #if RGA2_TEST_CASE
\r
1397 void rga2_test_0(void)
\r
1399 struct rga2_req req;
\r
1400 rga2_session session;
\r
1401 unsigned int *src, *dst;
\r
1405 uint32_t *dst0, *dst1, *dst2;
\r
1407 struct fb_info *fb;
\r
1409 session.pid = current->pid;
\r
1410 INIT_LIST_HEAD(&session.waiting);
\r
1411 INIT_LIST_HEAD(&session.running);
\r
1412 INIT_LIST_HEAD(&session.list_session);
\r
1413 init_waitqueue_head(&session.wait);
\r
1414 /* no need to protect */
\r
1415 list_add_tail(&session.list_session, &rga2_service.session);
\r
1416 atomic_set(&session.task_running, 0);
\r
1417 atomic_set(&session.num_done, 0);
\r
1418 //file->private_data = (void *)session;
\r
1420 //fb = rk_get_fb(0);
\r
1422 memset(&req, 0, sizeof(struct rga2_req));
\r
1423 src = kmalloc(800*480*4, GFP_KERNEL);
\r
1424 dst = kmalloc(800*480*4, GFP_KERNEL);
\r
1426 printk("\n********************************\n");
\r
1427 printk("************ RGA2_TEST ************\n");
\r
1428 printk("********************************\n\n");
\r
1430 memset(src, 0x80, 800*480*4);
\r
1431 memset(dst, 0x0, 800*480*4);
\r
1433 //dmac_flush_range(&src, &src[800*480*4]);
\r
1434 //outer_flush_range(virt_to_phys(&src),virt_to_phys(&src[800*480*4]));
\r
1438 memset(src_buf, 0x80, 800*480*4);
\r
1439 memset(dst_buf, 0xcc, 800*480*4);
\r
1441 dmac_flush_range(&dst_buf[0], &dst_buf[800*480]);
\r
1442 outer_flush_range(virt_to_phys(&dst_buf[0]),virt_to_phys(&dst_buf[800*480]));
\r
1452 req.pat.act_w = 16;
\r
1453 req.pat.act_h = 16;
\r
1454 req.pat.vir_w = 16;
\r
1455 req.pat.vir_h = 16;
\r
1456 req.pat.yrgb_addr = virt_to_phys(src);
\r
1457 req.render_mode = 0;
\r
1458 rga2_blit_sync(&session, &req);
\r
1461 req.src.act_w = 320;
\r
1462 req.src.act_h = 240;
\r
1464 req.src.vir_w = 320;
\r
1465 req.src.vir_h = 240;
\r
1466 req.src.yrgb_addr = 0;//(uint32_t)virt_to_phys(src);
\r
1467 req.src.uv_addr = (unsigned long)virt_to_phys(src);
\r
1468 req.src.v_addr = 0;
\r
1469 req.src.format = RGA2_FORMAT_RGBA_8888;
\r
1471 req.dst.act_w = 320;
\r
1472 req.dst.act_h = 240;
\r
1473 req.dst.x_offset = 0;
\r
1474 req.dst.y_offset = 0;
\r
1476 req.dst.vir_w = 320;
\r
1477 req.dst.vir_h = 240;
\r
1479 req.dst.yrgb_addr = 0;//((uint32_t)virt_to_phys(dst));
\r
1480 req.dst.uv_addr = (unsigned long)virt_to_phys(dst);
\r
1481 req.dst.format = RGA2_FORMAT_RGBA_8888;
\r
1485 //req.render_mode = color_fill_mode;
\r
1486 //req.fg_color = 0x80ffffff;
\r
1488 req.rotate_mode = 0;
\r
1489 req.scale_bicu_mode = 2;
\r
1491 //req.alpha_rop_flag = 0;
\r
1492 //req.alpha_rop_mode = 0x19;
\r
1493 //req.PD_mode = 3;
\r
1495 //req.mmu_info.mmu_flag = 0x21;
\r
1496 //req.mmu_info.mmu_en = 1;
\r
1498 //printk("src = %.8x\n", req.src.yrgb_addr);
\r
1499 //printk("src = %.8x\n", req.src.uv_addr);
\r
1500 //printk("dst = %.8x\n", req.dst.yrgb_addr);
\r
1502 rga2_blit_sync(&session, &req);
\r
1504 for(j=0; j<100; j++) {
\r
1505 printk("%.8x\n", dst[j]);
\r
1515 fs_initcall(rga2_init);
\r
1516 module_exit(rga2_exit);
\r
1518 /* Module information */
\r
1519 MODULE_AUTHOR("zsq@rock-chips.com");
\r
1520 MODULE_DESCRIPTION("Driver for rga device");
\r
1521 MODULE_LICENSE("GPL");
\r