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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61 #define RGA2_TEST_FLUSH_TIME 0
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62 #define RGA2_INFO_BUS_ERROR 1
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64 #define RGA2_POWER_OFF_DELAY 4*HZ /* 4s */
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65 #define RGA2_TIMEOUT_DELAY 2*HZ /* 2s */
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67 #define RGA2_MAJOR 255
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69 #define RGA2_RESET_TIMEOUT 1000
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71 /* Driver information */
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72 #define DRIVER_DESC "RGA2 Device Driver"
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73 #define DRIVER_NAME "rga2"
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75 #define RGA2_VERSION "2.000"
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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=%.8x uv=%.8x v=%.8x 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=%.8x uv=%.8x v=%.8x 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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160 static inline u32 rga2_read(u32 r)
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162 return __raw_readl(rga2_drvdata->rga_base + r);
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165 static void rga2_soft_reset(void)
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170 rga2_write(1, RGA2_SYS_CTRL); //RGA_SYS_CTRL
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172 for(i = 0; i < RGA2_RESET_TIMEOUT; i++)
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174 reg = rga2_read(RGA2_SYS_CTRL) & 1; //RGA_SYS_CTRL
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182 if(i == RGA2_RESET_TIMEOUT)
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183 ERR("soft reset timeout.\n");
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186 static void rga2_dump(void)
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189 struct rga2_reg *reg, *reg_tmp;
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190 rga2_session *session, *session_tmp;
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192 running = atomic_read(&rga2_service.total_running);
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193 printk("rga total_running %d\n", running);
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197 /* Dump waiting list info */
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198 if (!list_empty(&rga_service.waiting))
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202 next = &rga_service.waiting;
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204 printk("rga_service dump waiting list\n");
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208 reg = list_entry(next->next, struct rga_reg, status_link);
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209 running = atomic_read(®->session->task_running);
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210 num_done = atomic_read(®->session->num_done);
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211 printk("rga session pid %d, done %d, running %d\n", reg->session->pid, num_done, running);
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214 while(!list_empty(next));
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217 /* Dump running list info */
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218 if (!list_empty(&rga_service.running))
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220 printk("rga_service dump running list\n");
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224 next = &rga_service.running;
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227 reg = list_entry(next->next, struct rga_reg, status_link);
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228 running = atomic_read(®->session->task_running);
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229 num_done = atomic_read(®->session->num_done);
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230 printk("rga session pid %d, done %d, running %d:\n", reg->session->pid, num_done, running);
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233 while(!list_empty(next));
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237 list_for_each_entry_safe(session, session_tmp, &rga2_service.session, list_session)
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239 printk("session pid %d:\n", session->pid);
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240 running = atomic_read(&session->task_running);
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241 printk("task_running %d\n", running);
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242 list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)
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244 printk("waiting register set 0x%.8x\n", (unsigned int)reg);
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246 list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
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248 printk("running register set 0x%.8x\n", (unsigned int)reg);
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253 static inline void rga2_queue_power_off_work(void)
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255 queue_delayed_work(system_nrt_wq, &rga2_drvdata->power_off_work, RGA2_POWER_OFF_DELAY);
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258 /* Caller must hold rga_service.lock */
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259 static void rga2_power_on(void)
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261 static ktime_t last;
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262 ktime_t now = ktime_get();
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264 if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
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265 cancel_delayed_work_sync(&rga2_drvdata->power_off_work);
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266 rga2_queue_power_off_work();
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269 if (rga2_service.enable)
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272 clk_prepare_enable(rga2_drvdata->rga2);
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273 clk_prepare_enable(rga2_drvdata->pd_rga2);
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274 clk_prepare_enable(rga2_drvdata->aclk_rga2);
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275 clk_prepare_enable(rga2_drvdata->hclk_rga2);
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276 //clk_enable(rga2_drvdata->pd_rga2);
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277 wake_lock(&rga2_drvdata->wake_lock);
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278 rga2_service.enable = true;
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281 /* Caller must hold rga_service.lock */
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282 static void rga2_power_off(void)
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286 if (!rga2_service.enable) {
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290 total_running = atomic_read(&rga2_service.total_running);
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291 if (total_running) {
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292 pr_err("power off when %d task running!!\n", total_running);
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294 pr_err("delay 50 ms for running task\n");
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298 //clk_disable(rga2_drvdata->pd_rga2);
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299 clk_disable_unprepare(rga2_drvdata->rga2);
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300 clk_disable_unprepare(rga2_drvdata->pd_rga2);
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301 clk_disable_unprepare(rga2_drvdata->aclk_rga2);
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302 clk_disable_unprepare(rga2_drvdata->hclk_rga2);
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303 wake_unlock(&rga2_drvdata->wake_lock);
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304 rga2_service.enable = false;
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307 static void rga2_power_off_work(struct work_struct *work)
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309 if (mutex_trylock(&rga2_service.lock)) {
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311 mutex_unlock(&rga2_service.lock);
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313 /* Come back later if the device is busy... */
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314 rga2_queue_power_off_work();
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318 static int rga2_flush(rga2_session *session, unsigned long arg)
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323 #if RGA2_TEST_FLUSH_TIME
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326 start = ktime_get();
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329 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
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331 if (unlikely(ret_timeout < 0)) {
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332 //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
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333 mutex_lock(&rga2_service.lock);
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334 rga2_del_running_list();
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335 mutex_unlock(&rga2_service.lock);
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337 } else if (0 == ret_timeout) {
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338 //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
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339 //printk("bus = %.8x\n", rga_read(RGA_INT));
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340 mutex_lock(&rga2_service.lock);
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341 rga2_del_running_list_timeout();
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342 rga2_try_set_reg();
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343 mutex_unlock(&rga2_service.lock);
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347 #if RGA2_TEST_FLUSH_TIME
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349 end = ktime_sub(end, start);
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350 printk("one flush wait time %d\n", (int)ktime_to_us(end));
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357 static int rga2_get_result(rga2_session *session, unsigned long arg)
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359 //printk("rga_get_result %d\n",drvdata->rga_result);
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365 num_done = atomic_read(&session->num_done);
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367 if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
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368 printk("copy_to_user failed\n");
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375 static int rga2_check_param(const struct rga2_req *req)
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377 /*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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378 //check src width and height
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380 if(!((req->render_mode == color_fill_mode)))
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382 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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384 printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
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389 if(!((req->render_mode == color_fill_mode)))
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391 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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393 printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
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398 //check dst width and height
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399 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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401 printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
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405 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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407 printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
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412 if(unlikely(req->src.vir_w < req->src.act_w)){
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413 printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
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418 if(unlikely(req->dst.vir_w < req->dst.act_w)){
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419 if(req->rotate_mode != 1)
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421 printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
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429 static void rga2_copy_reg(struct rga2_reg *reg, uint32_t offset)
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435 if(atomic_read(®->session->task_running) != 0)
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437 printk(KERN_ERR "task_running is no zero\n");
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440 atomic_add(1, &rga2_service.cmd_num);
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441 atomic_add(1, ®->session->task_running);
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443 cmd_buf = (uint32_t *)rga2_service.cmd_buff + offset*32;
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444 reg_p = (uint32_t *)reg->cmd_reg;
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446 for(i=0; i<32; i++)
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448 cmd_buf[i] = reg_p[i];
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455 static struct rga2_reg * rga2_reg_init(rga2_session *session, struct rga2_req *req)
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458 struct rga2_reg *reg = kzalloc(sizeof(struct rga2_reg), GFP_KERNEL);
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460 pr_err("kmalloc fail in rga_reg_init\n");
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464 reg->session = session;
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465 INIT_LIST_HEAD(®->session_link);
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466 INIT_LIST_HEAD(®->status_link);
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468 reg->MMU_base = NULL;
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470 if ((req->mmu_info.src0_mmu_flag & 1) || (req->mmu_info.src1_mmu_flag & 1)
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471 || (req->mmu_info.dst_mmu_flag & 1) || (req->mmu_info.els_mmu_flag & 1))
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473 ret = rga2_set_mmu_info(reg, req);
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475 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
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483 if(RGA2_gen_reg_info((uint8_t *)reg->cmd_reg, req) == -1) {
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484 printk("gen reg info error\n");
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491 mutex_lock(&rga2_service.lock);
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492 list_add_tail(®->status_link, &rga2_service.waiting);
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493 list_add_tail(®->session_link, &session->waiting);
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494 mutex_unlock(&rga2_service.lock);
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500 /* Caller must hold rga_service.lock */
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501 static void rga2_reg_deinit(struct rga2_reg *reg)
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503 list_del_init(®->session_link);
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504 list_del_init(®->status_link);
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508 /* Caller must hold rga_service.lock */
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509 static void rga2_reg_from_wait_to_run(struct rga2_reg *reg)
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511 list_del_init(®->status_link);
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512 list_add_tail(®->status_link, &rga2_service.running);
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514 list_del_init(®->session_link);
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515 list_add_tail(®->session_link, ®->session->running);
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518 /* Caller must hold rga_service.lock */
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519 static void rga2_service_session_clear(rga2_session *session)
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521 struct rga2_reg *reg, *n;
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523 list_for_each_entry_safe(reg, n, &session->waiting, session_link)
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525 rga2_reg_deinit(reg);
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528 list_for_each_entry_safe(reg, n, &session->running, session_link)
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530 rga2_reg_deinit(reg);
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534 /* Caller must hold rga_service.lock */
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535 static void rga2_try_set_reg(void)
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537 struct rga2_reg *reg ;
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539 if (list_empty(&rga2_service.running))
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541 if (!list_empty(&rga2_service.waiting))
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544 reg = list_entry(rga2_service.waiting.next, struct rga2_reg, status_link);
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549 rga2_copy_reg(reg, 0);
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550 rga2_reg_from_wait_to_run(reg);
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552 dmac_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
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553 outer_flush_range(virt_to_phys(&rga2_service.cmd_buff[0]),virt_to_phys(&rga2_service.cmd_buff[32]));
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555 #if defined(CONFIG_ARCH_RK30)
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559 rga2_write(0x0, RGA2_SYS_CTRL);
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560 //rga2_write(0, RGA_MMU_CTRL);
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563 rga2_write(virt_to_phys(rga2_service.cmd_buff), RGA2_CMD_BASE);
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568 //printk(KERN_DEBUG "cmd_addr = %.8x\n", rga_read(RGA_CMD_ADDR));
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570 p = rga2_service.cmd_buff;
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571 printk("CMD_REG\n");
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572 for (i=0; i<8; i++)
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573 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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578 rga2_write((0x1<<1)|(0x1<<2)|(0x1<<5)|(0x1<<6), RGA2_SYS_CTRL);
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580 /* All CMD finish int */
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581 rga2_write(rga2_read(RGA2_INT)|(0x1<<10)|(0x1<<8), RGA2_INT);
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584 rga_start = ktime_get();
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588 atomic_set(®->session->done, 0);
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589 rga2_write(0x1, RGA2_CMD_CTRL);
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594 printk("CMD_READ_BACK_REG\n");
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595 for (i=0; i<8; i++)
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596 printk("%.8x %.8x %.8x %.8x\n", rga2_read(0x100 + i*16 + 0),
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597 rga2_read(0x100 + i*16 + 4), rga2_read(0x100 + i*16 + 8), rga2_read(0x100 + i*16 + 12));
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607 /* Caller must hold rga_service.lock */
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608 static void rga2_del_running_list(void)
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610 struct rga2_reg *reg;
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612 while(!list_empty(&rga2_service.running))
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614 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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616 if(reg->MMU_len != 0)
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618 if (rga2_mmu_buf.back + reg->MMU_len > 2*rga2_mmu_buf.size)
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619 rga2_mmu_buf.back = reg->MMU_len + rga2_mmu_buf.size;
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621 rga2_mmu_buf.back += reg->MMU_len;
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623 atomic_sub(1, ®->session->task_running);
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624 atomic_sub(1, &rga2_service.total_running);
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626 if(list_empty(®->session->waiting))
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628 atomic_set(®->session->done, 1);
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629 wake_up(®->session->wait);
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632 rga2_reg_deinit(reg);
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636 /* Caller must hold rga_service.lock */
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637 static void rga2_del_running_list_timeout(void)
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639 struct rga2_reg *reg;
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641 while(!list_empty(&rga2_service.running))
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643 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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645 if(reg->MMU_base != NULL)
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647 kfree(reg->MMU_base);
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650 atomic_sub(1, ®->session->task_running);
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651 atomic_sub(1, &rga2_service.total_running);
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653 //printk("RGA soft reset for timeout process\n");
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658 printk("RGA_INT is %.8x\n", rga_read(RGA_INT));
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659 printk("reg->session->task_running = %d\n", atomic_read(®->session->task_running));
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660 printk("rga_service.total_running = %d\n", atomic_read(&rga_service.total_running));
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662 print_info(®->req);
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667 for (i=0; i<7; i++)
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668 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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673 if(list_empty(®->session->waiting))
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675 atomic_set(®->session->done, 1);
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676 wake_up(®->session->wait);
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679 rga2_reg_deinit(reg);
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684 static int rga2_convert_dma_buf(struct rga2_req *req)
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686 struct ion_handle *hdl;
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687 ion_phys_addr_t phy_addr;
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691 req->sg_src0 = NULL;
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692 req->sg_src1 = NULL;
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693 req->sg_dst = NULL;
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694 req->sg_els = NULL;
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696 if(req->src.yrgb_addr) {
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697 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src.yrgb_addr);
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699 ret = PTR_ERR(hdl);
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700 printk("RGA2 ERROR ion buf handle\n");
\r
703 if (req->mmu_info.src0_mmu_flag) {
\r
704 req->sg_src0 = ion_sg_table(rga2_drvdata->ion_client, hdl);
\r
705 req->src.yrgb_addr = req->src.uv_addr;
\r
706 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
\r
707 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
\r
710 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
\r
711 req->src.yrgb_addr = phy_addr;
\r
712 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
\r
713 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
\r
715 ion_free(rga2_drvdata->ion_client, hdl);
\r
718 req->src.yrgb_addr = req->src.uv_addr;
\r
719 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
\r
720 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
\r
723 if(req->dst.yrgb_addr) {
\r
724 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->dst.yrgb_addr);
\r
726 ret = PTR_ERR(hdl);
\r
727 printk("RGA2 ERROR ion buf handle\n");
\r
730 if (req->mmu_info.dst_mmu_flag) {
\r
731 req->sg_dst = ion_sg_table(rga2_drvdata->ion_client, hdl);
\r
732 req->dst.yrgb_addr = req->dst.uv_addr;
\r
733 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
734 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
737 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
\r
738 req->dst.yrgb_addr = phy_addr;
\r
739 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
740 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
742 ion_free(rga2_drvdata->ion_client, hdl);
\r
745 req->dst.yrgb_addr = req->dst.uv_addr;
\r
746 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
747 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
750 if(req->src1.yrgb_addr) {
\r
751 hdl = ion_import_dma_buf(rga2_drvdata->ion_client, req->src1.yrgb_addr);
\r
753 ret = PTR_ERR(hdl);
\r
754 printk("RGA2 ERROR ion buf handle\n");
\r
757 if (req->mmu_info.dst_mmu_flag) {
\r
758 req->sg_src1 = ion_sg_table(rga2_drvdata->ion_client, hdl);
\r
759 req->src1.yrgb_addr = 0;
\r
760 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
761 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
764 ion_phys(rga2_drvdata->ion_client, hdl, &phy_addr, &len);
\r
765 req->src1.yrgb_addr = phy_addr;
\r
766 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
767 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
769 ion_free(rga2_drvdata->ion_client, hdl);
\r
772 req->src1.yrgb_addr = req->dst.uv_addr;
\r
773 req->src1.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
774 req->src1.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
781 static int rga2_blit(rga2_session *session, struct rga2_req *req)
\r
785 struct rga2_reg *reg;
\r
787 if(rga2_convert_dma_buf(req)) {
\r
788 printk("RGA2 : DMA buf copy error\n");
\r
793 /* check value if legal */
\r
794 ret = rga2_check_param(req);
\r
795 if(ret == -EINVAL) {
\r
796 printk("req argument is inval\n");
\r
800 reg = rga2_reg_init(session, req);
\r
806 mutex_lock(&rga2_service.lock);
\r
807 atomic_add(num, &rga2_service.total_running);
\r
808 rga2_try_set_reg();
\r
809 mutex_unlock(&rga2_service.lock);
\r
818 static int rga2_blit_async(rga2_session *session, struct rga2_req *req)
\r
823 if (1) {//req->src.format >= 0x10) {
\r
826 printk("*** rga_blit_async proc ***\n");
\r
831 atomic_set(&session->done, 0);
\r
832 ret = rga2_blit(session, req);
\r
837 static int rga2_blit_sync(rga2_session *session, struct rga2_req *req)
\r
840 int ret_timeout = 0;
\r
843 if (1) {//req->bitblt_mode == 0x2) {
\r
846 printk("*** rga2_blit_sync proc ***\n");
\r
852 atomic_set(&session->done, 0);
\r
854 ret = rga2_blit(session, req);
\r
860 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
\r
862 if (unlikely(ret_timeout< 0))
\r
864 //pr_err("sync pid %d wait task ret %d\n", session->pid, ret_timeout);
\r
865 mutex_lock(&rga2_service.lock);
\r
866 rga2_del_running_list();
\r
867 mutex_unlock(&rga2_service.lock);
\r
870 else if (0 == ret_timeout)
\r
872 //pr_err("sync pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
\r
873 mutex_lock(&rga2_service.lock);
\r
874 rga2_del_running_list_timeout();
\r
875 rga2_try_set_reg();
\r
876 mutex_unlock(&rga2_service.lock);
\r
881 rga_end = ktime_get();
\r
882 rga_end = ktime_sub(rga_end, rga_start);
\r
883 printk("sync one cmd end time %d\n", (int)ktime_to_us(rga_end));
\r
890 static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
\r
892 struct rga2_req req;
\r
893 struct rga_req req_rga;
\r
895 rga2_session *session;
\r
897 memset(&req, 0x0, sizeof(req));
\r
899 mutex_lock(&rga2_service.mutex);
\r
901 session = (rga2_session *)file->private_data;
\r
903 if (NULL == session)
\r
905 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
906 mutex_unlock(&rga2_service.mutex);
\r
910 memset(&req, 0x0, sizeof(req));
\r
914 case RGA_BLIT_SYNC:
\r
915 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
917 ERR("copy_from_user failed\n");
\r
921 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
923 ret = rga2_blit_sync(session, &req);
\r
925 case RGA_BLIT_ASYNC:
\r
926 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
928 ERR("copy_from_user failed\n");
\r
933 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
935 if((atomic_read(&rga2_service.total_running) > 8))
\r
937 ret = rga2_blit_sync(session, &req);
\r
941 ret = rga2_blit_async(session, &req);
\r
944 case RGA2_BLIT_SYNC:
\r
945 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
947 ERR("copy_from_user failed\n");
\r
951 ret = rga2_blit_sync(session, &req);
\r
953 case RGA2_BLIT_ASYNC:
\r
954 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
956 ERR("copy_from_user failed\n");
\r
961 if((atomic_read(&rga2_service.total_running) > 16))
\r
963 ret = rga2_blit_sync(session, &req);
\r
967 ret = rga2_blit_async(session, &req);
\r
972 ret = rga2_flush(session, arg);
\r
974 case RGA_GET_RESULT:
\r
975 case RGA2_GET_RESULT:
\r
976 ret = rga2_get_result(session, arg);
\r
978 case RGA_GET_VERSION:
\r
979 case RGA2_GET_VERSION:
\r
980 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
\r
984 ERR("unknown ioctl cmd!\n");
\r
989 mutex_unlock(&rga2_service.mutex);
\r
995 long rga_ioctl_kernel(struct rga_req *req_rga)
\r
998 rga2_session *session;
\r
999 struct rga2_req req;
\r
1001 memset(&req, 0x0, sizeof(req));
\r
1003 mutex_lock(&rga2_service.mutex);
\r
1005 session = &rga2_session_global;
\r
1007 if (NULL == session)
\r
1009 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
1010 mutex_unlock(&rga2_service.mutex);
\r
1014 RGA_MSG_2_RGA2_MSG(req_rga, &req);
\r
1015 ret = rga2_blit_sync(session, &req);
\r
1017 mutex_unlock(&rga2_service.mutex);
\r
1023 static int rga2_open(struct inode *inode, struct file *file)
\r
1025 rga2_session *session = kzalloc(sizeof(rga2_session), GFP_KERNEL);
\r
1026 if (NULL == session) {
\r
1027 pr_err("unable to allocate memory for rga_session.");
\r
1031 session->pid = current->pid;
\r
1032 //printk(KERN_DEBUG "+");
\r
1034 INIT_LIST_HEAD(&session->waiting);
\r
1035 INIT_LIST_HEAD(&session->running);
\r
1036 INIT_LIST_HEAD(&session->list_session);
\r
1037 init_waitqueue_head(&session->wait);
\r
1038 mutex_lock(&rga2_service.lock);
\r
1039 list_add_tail(&session->list_session, &rga2_service.session);
\r
1040 mutex_unlock(&rga2_service.lock);
\r
1041 atomic_set(&session->task_running, 0);
\r
1042 atomic_set(&session->num_done, 0);
\r
1044 file->private_data = (void *)session;
\r
1046 //DBG("*** rga dev opened by pid %d *** \n", session->pid);
\r
1047 return nonseekable_open(inode, file);
\r
1051 static int rga2_release(struct inode *inode, struct file *file)
\r
1054 rga2_session *session = (rga2_session *)file->private_data;
\r
1055 if (NULL == session)
\r
1057 //printk(KERN_DEBUG "-");
\r
1058 task_running = atomic_read(&session->task_running);
\r
1062 pr_err("rga2_service session %d still has %d task running when closing\n", session->pid, task_running);
\r
1067 wake_up(&session->wait);
\r
1068 mutex_lock(&rga2_service.lock);
\r
1069 list_del(&session->list_session);
\r
1070 rga2_service_session_clear(session);
\r
1072 mutex_unlock(&rga2_service.lock);
\r
1074 //DBG("*** rga dev close ***\n");
\r
1078 static irqreturn_t rga2_irq_thread(int irq, void *dev_id)
\r
1080 mutex_lock(&rga2_service.lock);
\r
1081 if (rga2_service.enable) {
\r
1082 rga2_del_running_list();
\r
1083 rga2_try_set_reg();
\r
1085 mutex_unlock(&rga2_service.lock);
\r
1087 return IRQ_HANDLED;
\r
1090 static irqreturn_t rga2_irq(int irq, void *dev_id)
\r
1093 rga2_write(rga2_read(RGA2_INT) | (0x1<<4) | (0x1<<5) | (0x1<<6) | (0x1<<7), RGA2_INT);
\r
1095 return IRQ_WAKE_THREAD;
\r
1098 struct file_operations rga2_fops = {
\r
1099 .owner = THIS_MODULE,
\r
1100 .open = rga2_open,
\r
1101 .release = rga2_release,
\r
1102 .unlocked_ioctl = rga_ioctl,
\r
1105 static struct miscdevice rga2_dev ={
\r
1106 .minor = RGA2_MAJOR,
\r
1108 .fops = &rga2_fops,
\r
1111 static const struct of_device_id rockchip_rga_dt_ids[] = {
\r
1112 { .compatible = "rockchip,rga", },
\r
1116 static int rga2_drv_probe(struct platform_device *pdev)
\r
1118 struct rga2_drvdata_t *data;
\r
1119 struct resource *res;
\r
1122 mutex_init(&rga2_service.lock);
\r
1123 mutex_init(&rga2_service.mutex);
\r
1124 atomic_set(&rga2_service.total_running, 0);
\r
1125 atomic_set(&rga2_service.src_format_swt, 0);
\r
1126 rga2_service.last_prc_src_format = 1; /* default is yuv first*/
\r
1127 rga2_service.enable = false;
\r
1129 data = devm_kzalloc(&pdev->dev, sizeof(struct rga2_drvdata_t), GFP_KERNEL);
\r
1132 ERR("failed to allocate driver data.\n");
\r
1136 INIT_DELAYED_WORK(&data->power_off_work, rga2_power_off_work);
\r
1137 wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
\r
1139 //data->pd_rga2 = clk_get(NULL, "pd_rga");
\r
1140 data->rga2 = devm_clk_get(&pdev->dev, "clk_rga");
\r
1141 data->pd_rga2 = devm_clk_get(&pdev->dev, "pd_rga");
\r
1142 data->aclk_rga2 = devm_clk_get(&pdev->dev, "aclk_rga");
\r
1143 data->hclk_rga2 = devm_clk_get(&pdev->dev, "hclk_rga");
\r
1145 /* map the registers */
\r
1146 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
\r
1147 data->rga_base = devm_ioremap_resource(&pdev->dev, res);
\r
1148 if (!data->rga_base) {
\r
1149 ERR("rga ioremap failed\n");
\r
1155 data->irq = platform_get_irq(pdev, 0);
\r
1156 if (data->irq <= 0) {
\r
1157 ERR("failed to get rga irq resource (%d).\n", data->irq);
\r
1162 /* request the IRQ */
\r
1163 ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga2_irq, rga2_irq_thread, 0, "rga", pdev);
\r
1166 ERR("rga request_irq failed (%d).\n", ret);
\r
1170 platform_set_drvdata(pdev, data);
\r
1171 rga2_drvdata = data;
\r
1173 #if defined(CONFIG_ION_ROCKCHIP)
\r
1174 data->ion_client = rockchip_ion_client_create("rga");
\r
1175 if (IS_ERR(data->ion_client)) {
\r
1176 dev_err(&pdev->dev, "failed to create ion client for rga");
\r
1177 return PTR_ERR(data->ion_client);
\r
1179 dev_info(&pdev->dev, "rga ion client create success!\n");
\r
1183 ret = misc_register(&rga2_dev);
\r
1186 ERR("cannot register miscdev (%d)\n", ret);
\r
1187 goto err_misc_register;
\r
1190 pr_info("Driver loaded succesfully\n");
\r
1194 err_misc_register:
\r
1195 free_irq(data->irq, pdev);
\r
1197 iounmap(data->rga_base);
\r
1199 wake_lock_destroy(&data->wake_lock);
\r
1205 static int rga2_drv_remove(struct platform_device *pdev)
\r
1207 struct rga2_drvdata_t *data = platform_get_drvdata(pdev);
\r
1208 DBG("%s [%d]\n",__FUNCTION__,__LINE__);
\r
1210 wake_lock_destroy(&data->wake_lock);
\r
1211 misc_deregister(&(data->miscdev));
\r
1212 free_irq(data->irq, &data->miscdev);
\r
1213 iounmap((void __iomem *)(data->rga_base));
\r
1215 //clk_put(data->pd_rga2);
\r
1216 devm_clk_put(&pdev->dev, data->rga2);
\r
1217 devm_clk_put(&pdev->dev, data->aclk_rga2);
\r
1218 devm_clk_put(&pdev->dev, data->hclk_rga2);
\r
1224 static struct platform_driver rga2_driver = {
\r
1225 .probe = rga2_drv_probe,
\r
1226 .remove = rga2_drv_remove,
\r
1228 .owner = THIS_MODULE,
\r
1230 .of_match_table = of_match_ptr(rockchip_rga_dt_ids),
\r
1235 void rga2_test_0(void);
\r
1237 static int __init rga2_init(void)
\r
1242 /* malloc pre scale mid buf mmu table */
\r
1243 buf_p = kmalloc(1024*256, GFP_KERNEL);
\r
1244 rga2_mmu_buf.buf_virtual = buf_p;
\r
1245 rga2_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((uint32_t)buf_p));
\r
1246 rga2_mmu_buf.front = 0;
\r
1247 rga2_mmu_buf.back = 64*1024;
\r
1248 rga2_mmu_buf.size = 64*1024;
\r
1250 if ((ret = platform_driver_register(&rga2_driver)) != 0)
\r
1252 printk(KERN_ERR "Platform device register failed (%d).\n", ret);
\r
1257 rga2_session_global.pid = 0x0000ffff;
\r
1258 INIT_LIST_HEAD(&rga2_session_global.waiting);
\r
1259 INIT_LIST_HEAD(&rga2_session_global.running);
\r
1260 INIT_LIST_HEAD(&rga2_session_global.list_session);
\r
1262 INIT_LIST_HEAD(&rga2_service.waiting);
\r
1263 INIT_LIST_HEAD(&rga2_service.running);
\r
1264 INIT_LIST_HEAD(&rga2_service.done);
\r
1265 INIT_LIST_HEAD(&rga2_service.session);
\r
1266 init_waitqueue_head(&rga2_session_global.wait);
\r
1267 //mutex_lock(&rga_service.lock);
\r
1268 list_add_tail(&rga2_session_global.list_session, &rga2_service.session);
\r
1269 //mutex_unlock(&rga_service.lock);
\r
1270 atomic_set(&rga2_session_global.task_running, 0);
\r
1271 atomic_set(&rga2_session_global.num_done, 0);
\r
1274 #if RGA2_TEST_CASE
\r
1278 INFO("Module initialized.\n");
\r
1283 static void __exit rga2_exit(void)
\r
1287 if (rga2_mmu_buf.buf_virtual)
\r
1288 kfree(rga2_mmu_buf.buf_virtual);
\r
1290 platform_driver_unregister(&rga2_driver);
\r
1294 #if RGA2_TEST_CASE
\r
1296 extern struct fb_info * rk_get_fb(int fb_id);
\r
1297 EXPORT_SYMBOL(rk_get_fb);
\r
1299 extern void rk_direct_fb_show(struct fb_info * fbi);
\r
1300 EXPORT_SYMBOL(rk_direct_fb_show);
\r
1302 //unsigned int src_buf[4096*2304*3/2];
\r
1303 //unsigned int dst_buf[3840*2304*3/2];
\r
1304 //unsigned int tmp_buf[1920*1080 * 2];
\r
1306 void rga2_test_0(void)
\r
1308 struct rga2_req req;
\r
1309 rga2_session session;
\r
1310 unsigned int *src, *dst;
\r
1314 uint32_t *dst0, *dst1, *dst2;
\r
1316 struct fb_info *fb;
\r
1318 session.pid = current->pid;
\r
1319 INIT_LIST_HEAD(&session.waiting);
\r
1320 INIT_LIST_HEAD(&session.running);
\r
1321 INIT_LIST_HEAD(&session.list_session);
\r
1322 init_waitqueue_head(&session.wait);
\r
1323 /* no need to protect */
\r
1324 list_add_tail(&session.list_session, &rga2_service.session);
\r
1325 atomic_set(&session.task_running, 0);
\r
1326 atomic_set(&session.num_done, 0);
\r
1327 //file->private_data = (void *)session;
\r
1329 //fb = rk_get_fb(0);
\r
1331 memset(&req, 0, sizeof(struct rga2_req));
\r
1332 src = kmalloc(4096*2304*3/2, GFP_KERNEL);
\r
1333 dst = kmalloc(3840*2160*3/2, GFP_KERNEL);
\r
1335 //memset(src, 0x80, 4096*2304*4);
\r
1337 //dmac_flush_range(&src, &src[800*480*4]);
\r
1338 //outer_flush_range(virt_to_phys(&src),virt_to_phys(&src[800*480*4]));
\r
1342 memset(src_buf, 0x80, 800*480*4);
\r
1343 memset(dst_buf, 0xcc, 800*480*4);
\r
1345 dmac_flush_range(&dst_buf[0], &dst_buf[800*480]);
\r
1346 outer_flush_range(virt_to_phys(&dst_buf[0]),virt_to_phys(&dst_buf[800*480]));
\r
1353 printk("\n********************************\n");
\r
1354 printk("************ RGA2_TEST ************\n");
\r
1355 printk("********************************\n\n");
\r
1357 req.pat.act_w = 16;
\r
1358 req.pat.act_h = 16;
\r
1359 req.pat.vir_w = 16;
\r
1360 req.pat.vir_h = 16;
\r
1361 req.pat.yrgb_addr = virt_to_phys(src);
\r
1362 req.render_mode = update_palette_table_mode;
\r
1363 rga2_blit_sync(&session, &req);
\r
1365 req.src.act_w = 4096;
\r
1366 req.src.act_h = 2304;
\r
1368 req.src.vir_w = 4096;
\r
1369 req.src.vir_h = 2304;
\r
1370 req.src.yrgb_addr = (uint32_t)0;//virt_to_phys(src);
\r
1371 req.src.uv_addr = (uint32_t)virt_to_phys(src);
\r
1372 req.src.v_addr = 0;
\r
1373 req.src.format = RGA2_FORMAT_YCbCr_420_SP;
\r
1375 req.dst.act_w = 3840;
\r
1376 req.dst.act_h = 2160;
\r
1377 req.dst.x_offset = 0;
\r
1378 req.dst.y_offset = 0;
\r
1380 req.dst.vir_w = 3840;
\r
1381 req.dst.vir_h = 2160;
\r
1383 req.dst.yrgb_addr = 0;//((uint32_t)virt_to_phys(dst));
\r
1384 req.dst.uv_addr = ((uint32_t)virt_to_phys(dst));
\r
1385 req.dst.format = RGA2_FORMAT_YCbCr_420_SP;
\r
1389 //req.render_mode = color_fill_mode;
\r
1390 //req.fg_color = 0x80ffffff;
\r
1392 req.rotate_mode = 0;
\r
1393 req.scale_bicu_mode = 2;
\r
1395 //req.alpha_rop_flag = 0;
\r
1396 //req.alpha_rop_mode = 0x19;
\r
1397 //req.PD_mode = 3;
\r
1399 //req.mmu_info.mmu_flag = 0x21;
\r
1400 //req.mmu_info.mmu_en = 1;
\r
1402 //printk("src = %.8x\n", req.src.yrgb_addr);
\r
1403 //printk("src = %.8x\n", req.src.uv_addr);
\r
1404 //printk("dst = %.8x\n", req.dst.yrgb_addr);
\r
1406 rga2_blit_sync(&session, &req);
\r
1409 fb->var.bits_per_pixel = 32;
\r
1411 fb->var.xres = 1280;
\r
1412 fb->var.yres = 800;
\r
1414 fb->var.red.length = 8;
\r
1415 fb->var.red.offset = 0;
\r
1416 fb->var.red.msb_right = 0;
\r
1418 fb->var.green.length = 8;
\r
1419 fb->var.green.offset = 8;
\r
1420 fb->var.green.msb_right = 0;
\r
1422 fb->var.blue.length = 8;
\r
1424 fb->var.blue.offset = 16;
\r
1425 fb->var.blue.msb_right = 0;
\r
1427 fb->var.transp.length = 8;
\r
1428 fb->var.transp.offset = 24;
\r
1429 fb->var.transp.msb_right = 0;
\r
1431 fb->var.nonstd &= (~0xff);
\r
1432 fb->var.nonstd |= 1;
\r
1434 fb->fix.smem_start = virt_to_phys(dst);
\r
1436 rk_direct_fb_show(fb);
\r
1446 module_init(rga2_init);
\r
1447 module_exit(rga2_exit);
\r
1449 /* Module information */
\r
1450 MODULE_AUTHOR("zsq@rock-chips.com");
\r
1451 MODULE_DESCRIPTION("Driver for rga device");
\r
1452 MODULE_LICENSE("GPL");
\r