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 <mach/io.h>
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31 #include <mach/irqs.h>
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32 #include <linux/fs.h>
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33 #include <asm/uaccess.h>
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34 #include <linux/miscdevice.h>
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35 #include <linux/poll.h>
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36 #include <linux/delay.h>
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37 #include <linux/wait.h>
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38 #include <linux/syscalls.h>
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39 #include <linux/timer.h>
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40 #include <linux/time.h>
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41 #include <asm/cacheflush.h>
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42 #include <linux/slab.h>
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43 #include <linux/fb.h>
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44 #include <linux/wakelock.h>
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47 #include "rga2_reg_info.h"
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48 #include "rga2_mmu_info.h"
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49 #include "RGA2_API.h"
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52 #define RGA2_TEST_FLUSH_TIME 0
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53 #define RGA2_INFO_BUS_ERROR 1
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55 #define RGA2_POWER_OFF_DELAY 4*HZ /* 4s */
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56 #define RGA2_TIMEOUT_DELAY 2*HZ /* 2s */
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58 #define RGA2_MAJOR 255
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60 #if defined(CONFIG_ROCKCHIP_RGA2)
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61 #define RK32_RGA2_PHYS 0xFFC70000
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62 #define RK32_RGA2_SIZE 0x00001000
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64 #define RGA2_RESET_TIMEOUT 1000
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66 /* Driver information */
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67 #define DRIVER_DESC "RGA2 Device Driver"
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68 #define DRIVER_NAME "rga2"
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70 #define RGA2_VERSION "2.000"
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77 rga2_session rga2_session_global;
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79 struct rga2_drvdata_t {
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80 struct miscdevice miscdev;
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85 struct delayed_work power_off_work;
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86 void (*rga_irq_callback)(int rga_retval); //callback function used by aync call
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87 struct wake_lock wake_lock;
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89 struct clk *aclk_rga2;
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90 struct clk *hclk_rga2;
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91 struct clk *pd_rga2;
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95 struct rga2_drvdata_t *rga2_drvdata;
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97 struct rga2_service_info rga2_service;
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98 struct rga2_mmu_buf_t rga2_mmu_buf;
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100 static int rga2_blit_async(rga2_session *session, struct rga2_req *req);
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101 static void rga2_del_running_list(void);
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102 static void rga2_del_running_list_timeout(void);
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103 static void rga2_try_set_reg(void);
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107 #define RGA_DEBUG 0
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109 #define DBG(format, args...) printk(KERN_DEBUG "%s: " format, DRIVER_NAME, ## args)
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110 #define ERR(format, args...) printk(KERN_ERR "%s: " format, DRIVER_NAME, ## args)
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111 #define WARNING(format, args...) printk(KERN_WARN "%s: " format, DRIVER_NAME, ## args)
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112 #define INFO(format, args...) printk(KERN_INFO "%s: " format, DRIVER_NAME, ## args)
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114 #define DBG(format, args...)
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115 #define ERR(format, args...)
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116 #define WARNING(format, args...)
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117 #define INFO(format, args...)
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121 static void print_info(struct rga2_req *req)
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123 printk("render_mode=%d bitblt_mode=%d rotate_mode=%.8x\n",
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124 req->render_mode, req->bitblt_mode, req->rotate_mode);
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125 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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126 req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format,
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127 req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h,
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128 req->src.x_offset, req->src.y_offset);
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129 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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130 req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr, req->dst.format,
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131 req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h,
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132 req->dst.x_offset, req->dst.y_offset);
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133 printk("mmu : src=%.2x src1=%.2x dst=%.2x els=%.2x\n",
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134 req->mmu_info.src0_mmu_flag, req->mmu_info.src1_mmu_flag,
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135 req->mmu_info.dst_mmu_flag, req->mmu_info.els_mmu_flag);
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136 printk("alpha : flag %.8x mode0=%.8x mode1=%.8x\n",
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137 req->alpha_rop_flag, req->alpha_mode_0, req->alpha_mode_1);
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142 static inline void rga2_write(u32 b, u32 r)
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144 __raw_writel(b, rga2_drvdata->rga_base + r);
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147 static inline u32 rga2_read(u32 r)
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149 return __raw_readl(rga2_drvdata->rga_base + r);
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152 static void rga2_soft_reset(void)
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157 rga2_write(1, RGA2_SYS_CTRL); //RGA_SYS_CTRL
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159 for(i = 0; i < RGA2_RESET_TIMEOUT; i++)
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161 reg = rga2_read(RGA2_SYS_CTRL) & 1; //RGA_SYS_CTRL
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169 if(i == RGA2_RESET_TIMEOUT)
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170 ERR("soft reset timeout.\n");
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173 static void rga2_dump(void)
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176 struct rga2_reg *reg, *reg_tmp;
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177 rga2_session *session, *session_tmp;
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179 running = atomic_read(&rga2_service.total_running);
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180 printk("rga total_running %d\n", running);
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184 /* Dump waiting list info */
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185 if (!list_empty(&rga_service.waiting))
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189 next = &rga_service.waiting;
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191 printk("rga_service dump waiting list\n");
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195 reg = list_entry(next->next, struct rga_reg, status_link);
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196 running = atomic_read(®->session->task_running);
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197 num_done = atomic_read(®->session->num_done);
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198 printk("rga session pid %d, done %d, running %d\n", reg->session->pid, num_done, running);
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201 while(!list_empty(next));
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204 /* Dump running list info */
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205 if (!list_empty(&rga_service.running))
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207 printk("rga_service dump running list\n");
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211 next = &rga_service.running;
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214 reg = list_entry(next->next, struct rga_reg, status_link);
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215 running = atomic_read(®->session->task_running);
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216 num_done = atomic_read(®->session->num_done);
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217 printk("rga session pid %d, done %d, running %d:\n", reg->session->pid, num_done, running);
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220 while(!list_empty(next));
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224 list_for_each_entry_safe(session, session_tmp, &rga2_service.session, list_session)
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226 printk("session pid %d:\n", session->pid);
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227 running = atomic_read(&session->task_running);
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228 printk("task_running %d\n", running);
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229 list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)
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231 printk("waiting register set 0x%.8x\n", (unsigned int)reg);
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233 list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
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235 printk("running register set 0x%.8x\n", (unsigned int)reg);
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240 static inline void rga2_queue_power_off_work(void)
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242 queue_delayed_work(system_nrt_wq, &rga2_drvdata->power_off_work, RGA2_POWER_OFF_DELAY);
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245 /* Caller must hold rga_service.lock */
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246 static void rga2_power_on(void)
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248 static ktime_t last;
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249 ktime_t now = ktime_get();
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251 if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
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252 cancel_delayed_work_sync(&rga2_drvdata->power_off_work);
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253 rga2_queue_power_off_work();
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256 if (rga2_service.enable)
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259 clk_enable(rga2_drvdata->rga2);
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260 clk_enable(rga2_drvdata->aclk_rga2);
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261 clk_enable(rga2_drvdata->hclk_rga2);
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262 clk_enable(rga2_drvdata->pd_rga2);
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263 wake_lock(&rga2_drvdata->wake_lock);
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264 rga2_service.enable = true;
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267 /* Caller must hold rga_service.lock */
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268 static void rga2_power_off(void)
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272 if (!rga2_service.enable) {
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276 total_running = atomic_read(&rga2_service.total_running);
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277 if (total_running) {
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278 pr_err("power off when %d task running!!\n", total_running);
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280 pr_err("delay 50 ms for running task\n");
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284 clk_disable(rga2_drvdata->pd_rga2);
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285 clk_disable(rga2_drvdata->rga2);
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286 clk_disable(rga2_drvdata->aclk_rga2);
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287 clk_disable(rga2_drvdata->hclk_rga2);
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288 wake_unlock(&rga2_drvdata->wake_lock);
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289 rga2_service.enable = false;
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292 static void rga2_power_off_work(struct work_struct *work)
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294 if (mutex_trylock(&rga2_service.lock)) {
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296 mutex_unlock(&rga2_service.lock);
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298 /* Come back later if the device is busy... */
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299 rga2_queue_power_off_work();
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303 static int rga2_flush(rga2_session *session, unsigned long arg)
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308 #if RGA2_TEST_FLUSH_TIME
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311 start = ktime_get();
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314 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
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316 if (unlikely(ret_timeout < 0)) {
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317 //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
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318 mutex_lock(&rga2_service.lock);
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319 rga2_del_running_list();
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320 mutex_unlock(&rga2_service.lock);
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322 } else if (0 == ret_timeout) {
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323 //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
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324 //printk("bus = %.8x\n", rga_read(RGA_INT));
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325 mutex_lock(&rga2_service.lock);
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326 rga2_del_running_list_timeout();
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327 rga2_try_set_reg();
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328 mutex_unlock(&rga2_service.lock);
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332 #if RGA2_TEST_FLUSH_TIME
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334 end = ktime_sub(end, start);
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335 printk("one flush wait time %d\n", (int)ktime_to_us(end));
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342 static int rga2_get_result(rga2_session *session, unsigned long arg)
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344 //printk("rga_get_result %d\n",drvdata->rga_result);
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350 num_done = atomic_read(&session->num_done);
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352 if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
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353 printk("copy_to_user failed\n");
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360 static int rga2_check_param(const struct rga2_req *req)
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362 /*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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363 //check src width and height
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365 if(!((req->render_mode == color_fill_mode)))
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367 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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369 printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
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374 if(!((req->render_mode == color_fill_mode)))
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376 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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378 printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
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383 //check dst width and height
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384 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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386 printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
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390 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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392 printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
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397 if(unlikely(req->src.vir_w < req->src.act_w)){
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398 printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
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403 if(unlikely(req->dst.vir_w < req->dst.act_w)){
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404 if(req->rotate_mode != 1)
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406 printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
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414 static void rga2_copy_reg(struct rga2_reg *reg, uint32_t offset)
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420 if(atomic_read(®->session->task_running) != 0)
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422 printk(KERN_ERR "task_running is no zero\n");
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425 atomic_add(1, &rga2_service.cmd_num);
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426 atomic_add(1, ®->session->task_running);
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428 cmd_buf = (uint32_t *)rga2_service.cmd_buff + offset*32;
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429 reg_p = (uint32_t *)reg->cmd_reg;
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431 for(i=0; i<32; i++)
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433 cmd_buf[i] = reg_p[i];
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440 static struct rga2_reg * rga2_reg_init(rga2_session *session, struct rga2_req *req)
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443 struct rga2_reg *reg = kzalloc(sizeof(struct rga2_reg), GFP_KERNEL);
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445 pr_err("kmalloc fail in rga_reg_init\n");
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449 reg->session = session;
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450 INIT_LIST_HEAD(®->session_link);
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451 INIT_LIST_HEAD(®->status_link);
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453 reg->MMU_base = NULL;
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455 if ((req->mmu_info.src0_mmu_flag & 1) || (req->mmu_info.src1_mmu_flag & 1)
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456 || (req->mmu_info.dst_mmu_flag & 1) || (req->mmu_info.els_mmu_flag & 1))
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458 ret = rga2_set_mmu_info(reg, req);
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461 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
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470 if(RGA2_gen_reg_info((uint8_t *)reg->cmd_reg, req) == -1)
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472 printk("gen reg info error\n");
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480 mutex_lock(&rga2_service.lock);
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481 list_add_tail(®->status_link, &rga2_service.waiting);
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482 list_add_tail(®->session_link, &session->waiting);
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483 mutex_unlock(&rga2_service.lock);
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489 /* Caller must hold rga_service.lock */
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490 static void rga2_reg_deinit(struct rga2_reg *reg)
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492 list_del_init(®->session_link);
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493 list_del_init(®->status_link);
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497 /* Caller must hold rga_service.lock */
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498 static void rga2_reg_from_wait_to_run(struct rga2_reg *reg)
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500 list_del_init(®->status_link);
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501 list_add_tail(®->status_link, &rga2_service.running);
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503 list_del_init(®->session_link);
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504 list_add_tail(®->session_link, ®->session->running);
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507 /* Caller must hold rga_service.lock */
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508 static void rga2_service_session_clear(rga2_session *session)
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510 struct rga2_reg *reg, *n;
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512 list_for_each_entry_safe(reg, n, &session->waiting, session_link)
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514 rga2_reg_deinit(reg);
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517 list_for_each_entry_safe(reg, n, &session->running, session_link)
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519 rga2_reg_deinit(reg);
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523 /* Caller must hold rga_service.lock */
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524 static void rga2_try_set_reg(void)
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526 struct rga2_reg *reg ;
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528 if (list_empty(&rga2_service.running))
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530 if (!list_empty(&rga2_service.waiting))
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533 reg = list_entry(rga2_service.waiting.next, struct rga2_reg, status_link);
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538 rga2_copy_reg(reg, 0);
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539 rga2_reg_from_wait_to_run(reg);
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541 dmac_flush_range(&rga2_service.cmd_buff[0], &rga2_service.cmd_buff[32]);
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542 outer_flush_range(virt_to_phys(&rga2_service.cmd_buff[0]),virt_to_phys(&rga2_service.cmd_buff[32]));
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544 #if defined(CONFIG_ARCH_RK30)
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548 rga2_write(0x0, RGA2_SYS_CTRL);
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549 //rga2_write(0, RGA_MMU_CTRL);
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552 rga2_write(virt_to_phys(rga2_service.cmd_buff), RGA2_CMD_BASE);
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557 //printk(KERN_DEBUG "cmd_addr = %.8x\n", rga_read(RGA_CMD_ADDR));
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559 p = rga2_service.cmd_buff;
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560 printk("CMD_REG\n");
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561 for (i=0; i<8; i++)
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562 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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567 rga2_write((0x1<<1)|(0x1<<2)|(0x1<<5)|(0x1<<6), RGA2_SYS_CTRL);
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569 /* All CMD finish int */
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570 rga2_write(rga2_read(RGA2_INT)|(0x1<<10)|(0x1<<8), RGA2_INT);
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573 rga_start = ktime_get();
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577 atomic_set(®->session->done, 0);
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578 rga2_write(0x1, RGA2_CMD_CTRL);
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583 printk("CMD_READ_BACK_REG\n");
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584 for (i=0; i<8; i++)
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585 printk("%.8x %.8x %.8x %.8x\n", rga2_read(0x100 + i*16 + 0),
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586 rga2_read(0x100 + i*16 + 4), rga2_read(0x100 + i*16 + 8), rga2_read(0x100 + i*16 + 12));
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596 /* Caller must hold rga_service.lock */
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597 static void rga2_del_running_list(void)
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599 struct rga2_reg *reg;
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601 while(!list_empty(&rga2_service.running))
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603 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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605 if(reg->MMU_len != 0)
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607 if (rga2_mmu_buf.back + reg->MMU_len > 2*rga2_mmu_buf.size)
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608 rga2_mmu_buf.back = reg->MMU_len + rga2_mmu_buf.size;
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610 rga2_mmu_buf.back += reg->MMU_len;
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612 atomic_sub(1, ®->session->task_running);
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613 atomic_sub(1, &rga2_service.total_running);
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615 if(list_empty(®->session->waiting))
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617 atomic_set(®->session->done, 1);
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618 wake_up(®->session->wait);
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621 rga2_reg_deinit(reg);
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625 /* Caller must hold rga_service.lock */
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626 static void rga2_del_running_list_timeout(void)
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628 struct rga2_reg *reg;
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630 while(!list_empty(&rga2_service.running))
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632 reg = list_entry(rga2_service.running.next, struct rga2_reg, status_link);
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634 if(reg->MMU_base != NULL)
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636 kfree(reg->MMU_base);
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639 atomic_sub(1, ®->session->task_running);
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640 atomic_sub(1, &rga2_service.total_running);
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642 //printk("RGA soft reset for timeout process\n");
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647 printk("RGA_INT is %.8x\n", rga_read(RGA_INT));
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648 printk("reg->session->task_running = %d\n", atomic_read(®->session->task_running));
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649 printk("rga_service.total_running = %d\n", atomic_read(&rga_service.total_running));
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651 print_info(®->req);
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656 for (i=0; i<7; i++)
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657 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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662 if(list_empty(®->session->waiting))
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664 atomic_set(®->session->done, 1);
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665 wake_up(®->session->wait);
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668 rga2_reg_deinit(reg);
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673 static void rga2_mem_addr_sel(struct rga2_req *req)
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678 static int rga2_blit(rga2_session *session, struct rga2_req *req)
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682 struct rga2_reg *reg;
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686 /* check value if legal */
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687 ret = rga2_check_param(req);
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688 if(ret == -EINVAL) {
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689 printk("req argument is inval\n");
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693 reg = rga2_reg_init(session, req);
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699 mutex_lock(&rga2_service.lock);
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700 atomic_add(num, &rga2_service.total_running);
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701 rga2_try_set_reg();
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702 mutex_unlock(&rga2_service.lock);
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711 static int rga2_blit_async(rga2_session *session, struct rga2_req *req)
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716 //printk("*** rga_blit_async proc ***\n");
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717 if (req->src.format >= 0x10) {
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720 printk("*** rga_blit_async proc ***\n");
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725 atomic_set(&session->done, 0);
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726 ret = rga2_blit(session, req);
\r
731 static int rga2_blit_sync(rga2_session *session, struct rga2_req *req)
\r
734 int ret_timeout = 0;
\r
737 if (req->src.format >= 0x10) {
\r
740 printk("*** rga2_blit_sync proc ***\n");
\r
746 atomic_set(&session->done, 0);
\r
748 ret = rga2_blit(session, req);
\r
754 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA2_TIMEOUT_DELAY);
\r
756 if (unlikely(ret_timeout< 0))
\r
758 //pr_err("sync pid %d wait task ret %d\n", session->pid, ret_timeout);
\r
759 mutex_lock(&rga2_service.lock);
\r
760 rga2_del_running_list();
\r
761 mutex_unlock(&rga2_service.lock);
\r
764 else if (0 == ret_timeout)
\r
766 //pr_err("sync pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
\r
767 mutex_lock(&rga2_service.lock);
\r
768 rga2_del_running_list_timeout();
\r
769 rga2_try_set_reg();
\r
770 mutex_unlock(&rga2_service.lock);
\r
775 rga_end = ktime_get();
\r
776 rga_end = ktime_sub(rga_end, rga_start);
\r
777 printk("sync one cmd end time %d\n", (int)ktime_to_us(rga_end));
\r
784 static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
\r
786 struct rga2_req req;
\r
787 struct rga_req req_rga;
\r
789 rga2_session *session;
\r
791 mutex_lock(&rga2_service.mutex);
\r
793 session = (rga2_session *)file->private_data;
\r
795 if (NULL == session)
\r
797 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
798 mutex_unlock(&rga2_service.mutex);
\r
802 memset(&req, 0x0, sizeof(req));
\r
806 case RGA_BLIT_SYNC:
\r
808 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
810 ERR("copy_from_user failed\n");
\r
814 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
816 ret = rga2_blit_sync(session, &req);
\r
818 case RGA_BLIT_ASYNC:
\r
819 if (unlikely(copy_from_user(&req_rga, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
821 ERR("copy_from_user failed\n");
\r
826 RGA_MSG_2_RGA2_MSG(&req_rga, &req);
\r
828 if((atomic_read(&rga2_service.total_running) > 8))
\r
830 ret = rga2_blit_sync(session, &req);
\r
834 ret = rga2_blit_async(session, &req);
\r
837 case RGA2_BLIT_SYNC:
\r
838 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
840 ERR("copy_from_user failed\n");
\r
844 ret = rga2_blit_sync(session, &req);
\r
846 case RGA2_BLIT_ASYNC:
\r
847 if (unlikely(copy_from_user(&req, (struct rga2_req*)arg, sizeof(struct rga2_req))))
\r
849 ERR("copy_from_user failed\n");
\r
854 if((atomic_read(&rga2_service.total_running) > 16))
\r
856 ret = rga2_blit_sync(session, &req);
\r
860 ret = rga2_blit_async(session, &req);
\r
865 ret = rga2_flush(session, arg);
\r
867 case RGA_GET_RESULT:
\r
868 case RGA2_GET_RESULT:
\r
869 ret = rga2_get_result(session, arg);
\r
871 case RGA_GET_VERSION:
\r
872 case RGA2_GET_VERSION:
\r
873 ret = copy_to_user((void *)arg, RGA2_VERSION, sizeof(RGA2_VERSION));
\r
877 ERR("unknown ioctl cmd!\n");
\r
882 mutex_unlock(&rga2_service.mutex);
\r
888 long rga_ioctl_kernel(struct rga_req *req)
\r
891 rga2_session *session;
\r
892 struct rga2_req req_rga2;
\r
894 mutex_lock(&rga2_service.mutex);
\r
896 session = &rga2_session_global;
\r
898 if (NULL == session)
\r
900 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
901 mutex_unlock(&rga2_service.mutex);
\r
905 RGA_MSG_2_RGA2_MSG(req, &req_rga2);
\r
906 ret = rga2_blit_sync(session, &req_rga2);
\r
908 mutex_unlock(&rga2_service.mutex);
\r
914 static int rga2_open(struct inode *inode, struct file *file)
\r
916 rga2_session *session = kzalloc(sizeof(rga2_session), GFP_KERNEL);
\r
917 if (NULL == session) {
\r
918 pr_err("unable to allocate memory for rga_session.");
\r
922 session->pid = current->pid;
\r
923 //printk(KERN_DEBUG "+");
\r
925 INIT_LIST_HEAD(&session->waiting);
\r
926 INIT_LIST_HEAD(&session->running);
\r
927 INIT_LIST_HEAD(&session->list_session);
\r
928 init_waitqueue_head(&session->wait);
\r
929 mutex_lock(&rga2_service.lock);
\r
930 list_add_tail(&session->list_session, &rga2_service.session);
\r
931 mutex_unlock(&rga2_service.lock);
\r
932 atomic_set(&session->task_running, 0);
\r
933 atomic_set(&session->num_done, 0);
\r
935 file->private_data = (void *)session;
\r
937 //DBG("*** rga dev opened by pid %d *** \n", session->pid);
\r
938 return nonseekable_open(inode, file);
\r
942 static int rga2_release(struct inode *inode, struct file *file)
\r
945 rga2_session *session = (rga2_session *)file->private_data;
\r
946 if (NULL == session)
\r
948 //printk(KERN_DEBUG "-");
\r
949 task_running = atomic_read(&session->task_running);
\r
953 pr_err("rga2_service session %d still has %d task running when closing\n", session->pid, task_running);
\r
958 wake_up(&session->wait);
\r
959 mutex_lock(&rga2_service.lock);
\r
960 list_del(&session->list_session);
\r
961 rga2_service_session_clear(session);
\r
963 mutex_unlock(&rga2_service.lock);
\r
965 //DBG("*** rga dev close ***\n");
\r
969 static irqreturn_t rga2_irq_thread(int irq, void *dev_id)
\r
971 mutex_lock(&rga2_service.lock);
\r
972 if (rga2_service.enable) {
\r
973 rga2_del_running_list();
\r
974 rga2_try_set_reg();
\r
976 mutex_unlock(&rga2_service.lock);
\r
978 return IRQ_HANDLED;
\r
981 static irqreturn_t rga2_irq(int irq, void *dev_id)
\r
984 rga2_write(rga2_read(RGA2_INT) | (0x1<<4) | (0x1<<5) | (0x1<<6) | (0x1<<7), RGA2_INT);
\r
986 return IRQ_WAKE_THREAD;
\r
989 struct file_operations rga2_fops = {
\r
990 .owner = THIS_MODULE,
\r
992 .release = rga2_release,
\r
993 .unlocked_ioctl = rga_ioctl,
\r
996 static struct miscdevice rga2_dev ={
\r
997 .minor = RGA2_MAJOR,
\r
999 .fops = &rga2_fops,
\r
1002 static int __devinit rga2_drv_probe(struct platform_device *pdev)
\r
1004 struct rga2_drvdata_t *data;
\r
1007 INIT_LIST_HEAD(&rga2_service.waiting);
\r
1008 INIT_LIST_HEAD(&rga2_service.running);
\r
1009 INIT_LIST_HEAD(&rga2_service.done);
\r
1010 INIT_LIST_HEAD(&rga2_service.session);
\r
1011 mutex_init(&rga2_service.lock);
\r
1012 mutex_init(&rga2_service.mutex);
\r
1013 atomic_set(&rga2_service.total_running, 0);
\r
1014 atomic_set(&rga2_service.src_format_swt, 0);
\r
1015 rga2_service.last_prc_src_format = 1; /* default is yuv first*/
\r
1016 rga2_service.enable = false;
\r
1018 data = kzalloc(sizeof(struct rga2_drvdata_t), GFP_KERNEL);
\r
1021 ERR("failed to allocate driver data.\n");
\r
1025 INIT_DELAYED_WORK(&data->power_off_work, rga2_power_off_work);
\r
1026 wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
\r
1028 data->pd_rga2 = clk_get(NULL, "pd_rga");
\r
1029 data->rga2 = clk_get(NULL, "rga");
\r
1030 data->aclk_rga2 = clk_get(NULL, "aclk_rga");
\r
1031 data->hclk_rga2 = clk_get(NULL, "hclk_rga");
\r
1033 /* map the memory */
\r
1034 if (!request_mem_region(RK32_RGA2_PHYS, RK32_RGA2_SIZE, "rga_io"))
\r
1036 pr_info("failed to reserve rga HW regs\n");
\r
1040 data->rga_base = (void*)ioremap_nocache(RK32_RGA2_PHYS, RK32_RGA2_SIZE);
\r
1041 if (data->rga_base == NULL)
\r
1043 ERR("rga ioremap failed\n");
\r
1049 data->irq = platform_get_irq(pdev, 0);
\r
1050 if (data->irq <= 0)
\r
1052 ERR("failed to get rga irq resource (%d).\n", data->irq);
\r
1057 /* request the IRQ */
\r
1058 ret = request_threaded_irq(data->irq, rga2_irq, rga2_irq_thread, 0, "rga", pdev);
\r
1061 ERR("rga request_irq failed (%d).\n", ret);
\r
1065 platform_set_drvdata(pdev, data);
\r
1066 rga2_drvdata = data;
\r
1068 ret = misc_register(&rga2_dev);
\r
1071 ERR("cannot register miscdev (%d)\n", ret);
\r
1072 goto err_misc_register;
\r
1075 pr_info("Driver loaded succesfully\n");
\r
1079 err_misc_register:
\r
1080 free_irq(data->irq, pdev);
\r
1082 iounmap(data->rga_base);
\r
1084 wake_lock_destroy(&data->wake_lock);
\r
1090 static int rga2_drv_remove(struct platform_device *pdev)
\r
1092 struct rga2_drvdata_t *data = platform_get_drvdata(pdev);
\r
1093 DBG("%s [%d]\n",__FUNCTION__,__LINE__);
\r
1095 wake_lock_destroy(&data->wake_lock);
\r
1096 misc_deregister(&(data->miscdev));
\r
1097 free_irq(data->irq, &data->miscdev);
\r
1098 iounmap((void __iomem *)(data->rga_base));
\r
1100 clk_put(data->pd_rga2);
\r
1101 clk_put(data->rga2);
\r
1102 clk_put(data->aclk_rga2);
\r
1103 clk_put(data->hclk_rga2);
\r
1110 static struct platform_driver rga2_driver = {
\r
1111 .probe = rga2_drv_probe,
\r
1112 .remove = __devexit_p(rga2_drv_remove),
\r
1114 .owner = THIS_MODULE,
\r
1120 void rga2_test_0(void);
\r
1122 static int __init rga2_init(void)
\r
1127 /* malloc pre scale mid buf mmu table */
\r
1128 buf_p = kmalloc(1024*256, GFP_KERNEL);
\r
1129 rga2_mmu_buf.buf_virtual = buf_p;
\r
1130 rga2_mmu_buf.buf = (uint32_t *)virt_to_phys((void *)((uint32_t)buf_p));
\r
1131 rga2_mmu_buf.front = 0;
\r
1132 rga2_mmu_buf.back = 64*1024;
\r
1133 rga2_mmu_buf.size = 64*1024;
\r
1135 if ((ret = platform_driver_register(&rga2_driver)) != 0)
\r
1137 printk(KERN_ERR "Platform device register failed (%d).\n", ret);
\r
1142 rga2_session_global.pid = 0x0000ffff;
\r
1143 INIT_LIST_HEAD(&rga2_session_global.waiting);
\r
1144 INIT_LIST_HEAD(&rga2_session_global.running);
\r
1145 INIT_LIST_HEAD(&rga2_session_global.list_session);
\r
1146 init_waitqueue_head(&rga2_session_global.wait);
\r
1147 //mutex_lock(&rga_service.lock);
\r
1148 list_add_tail(&rga2_session_global.list_session, &rga2_service.session);
\r
1149 //mutex_unlock(&rga_service.lock);
\r
1150 atomic_set(&rga2_session_global.task_running, 0);
\r
1151 atomic_set(&rga2_session_global.num_done, 0);
\r
1154 #if RGA2_TEST_CASE
\r
1158 INFO("Module initialized.\n");
\r
1163 static void __exit rga2_exit(void)
\r
1167 if (rga2_mmu_buf.buf_virtual)
\r
1168 kfree(rga2_mmu_buf.buf_virtual);
\r
1170 platform_driver_unregister(&rga2_driver);
\r
1174 #if RGA2_TEST_CASE
\r
1176 extern struct fb_info * rk_get_fb(int fb_id);
\r
1177 EXPORT_SYMBOL(rk_get_fb);
\r
1179 extern void rk_direct_fb_show(struct fb_info * fbi);
\r
1180 EXPORT_SYMBOL(rk_direct_fb_show);
\r
1182 //unsigned int src_buf[1920*1080];
\r
1183 //unsigned int dst_buf[1920*1080];
\r
1184 //unsigned int tmp_buf[1920*1080 * 2];
\r
1186 void rga2_test_0(void)
\r
1188 struct rga2_req req;
\r
1189 rga2_session session;
\r
1190 unsigned int *src, *dst;
\r
1194 uint32_t *dst0, *dst1, *dst2;
\r
1196 struct fb_info *fb;
\r
1198 session.pid = current->pid;
\r
1199 INIT_LIST_HEAD(&session.waiting);
\r
1200 INIT_LIST_HEAD(&session.running);
\r
1201 INIT_LIST_HEAD(&session.list_session);
\r
1202 init_waitqueue_head(&session.wait);
\r
1203 /* no need to protect */
\r
1204 list_add_tail(&session.list_session, &rga2_service.session);
\r
1205 atomic_set(&session.task_running, 0);
\r
1206 atomic_set(&session.num_done, 0);
\r
1207 //file->private_data = (void *)session;
\r
1209 fb = rk_get_fb(0);
\r
1211 memset(&req, 0, sizeof(struct rga2_req));
\r
1212 src = kmalloc(800*480*4, GFP_KERNEL);
\r
1213 dst = kmalloc(800*480*4, GFP_KERNEL);
\r
1215 memset(src, 0x80, 800*480*4);
\r
1217 dmac_flush_range(&src, &src[800*480*4]);
\r
1218 outer_flush_range(virt_to_phys(&src),virt_to_phys(&src[800*480*4]));
\r
1222 memset(src_buf, 0x80, 800*480*4);
\r
1223 memset(dst_buf, 0xcc, 800*480*4);
\r
1225 dmac_flush_range(&dst_buf[0], &dst_buf[800*480]);
\r
1226 outer_flush_range(virt_to_phys(&dst_buf[0]),virt_to_phys(&dst_buf[800*480]));
\r
1233 printk("\n********************************\n");
\r
1234 printk("************ RGA2_TEST ************\n");
\r
1235 printk("********************************\n\n");
\r
1237 req.src.act_w = 320;
\r
1238 req.src.act_h = 240;
\r
1240 req.src.vir_w = 320;
\r
1241 req.src.vir_h = 240;
\r
1242 req.src.yrgb_addr = (uint32_t)virt_to_phys(src);
\r
1243 req.src.uv_addr = (uint32_t)(req.src.yrgb_addr + 800*480);
\r
1244 req.src.v_addr = (uint32_t)virt_to_phys(src);
\r
1245 req.src.format = RGA2_FORMAT_RGBA_8888;
\r
1247 req.dst.act_w = 320;
\r
1248 req.dst.act_h = 240;
\r
1249 req.dst.x_offset = 0;
\r
1250 req.dst.y_offset = 0;
\r
1252 req.dst.vir_w = 320;
\r
1253 req.dst.vir_h = 240;
\r
1255 req.dst.yrgb_addr = ((uint32_t)virt_to_phys(dst));
\r
1256 req.dst.format = RGA2_FORMAT_RGBA_8888;
\r
1260 //req.render_mode = color_fill_mode;
\r
1261 //req.fg_color = 0x80ffffff;
\r
1263 req.rotate_mode = 1;
\r
1264 req.scale_bicu_mode = 2;
\r
1266 //req.alpha_rop_flag = 0;
\r
1267 //req.alpha_rop_mode = 0x19;
\r
1268 //req.PD_mode = 3;
\r
1270 req.rotate_mode = 0;
\r
1272 //req.mmu_info.mmu_flag = 0x21;
\r
1273 //req.mmu_info.mmu_en = 1;
\r
1275 //printk("src = %.8x\n", req.src.yrgb_addr);
\r
1276 //printk("src = %.8x\n", req.src.uv_addr);
\r
1277 //printk("dst = %.8x\n", req.dst.yrgb_addr);
\r
1279 rga2_blit_sync(&session, &req);
\r
1282 fb->var.bits_per_pixel = 32;
\r
1284 fb->var.xres = 1280;
\r
1285 fb->var.yres = 800;
\r
1287 fb->var.red.length = 8;
\r
1288 fb->var.red.offset = 0;
\r
1289 fb->var.red.msb_right = 0;
\r
1291 fb->var.green.length = 8;
\r
1292 fb->var.green.offset = 8;
\r
1293 fb->var.green.msb_right = 0;
\r
1295 fb->var.blue.length = 8;
\r
1297 fb->var.blue.offset = 16;
\r
1298 fb->var.blue.msb_right = 0;
\r
1300 fb->var.transp.length = 8;
\r
1301 fb->var.transp.offset = 24;
\r
1302 fb->var.transp.msb_right = 0;
\r
1304 fb->var.nonstd &= (~0xff);
\r
1305 fb->var.nonstd |= 1;
\r
1307 fb->fix.smem_start = virt_to_phys(dst);
\r
1309 rk_direct_fb_show(fb);
\r
1319 module_init(rga2_init);
\r
1320 module_exit(rga2_exit);
\r
1322 /* Module information */
\r
1323 MODULE_AUTHOR("zsq@rock-chips.com");
\r
1324 MODULE_DESCRIPTION("Driver for rga device");
\r
1325 MODULE_LICENSE("GPL");
\r