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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46 #if defined(CONFIG_ION_ROCKCHIP)
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47 #include <linux/rockchip_ion.h>
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52 #include "rga_reg_info.h"
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53 #include "rga_mmu_info.h"
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54 #include "RGA_API.h"
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56 #define RGA_TEST_CASE 0
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59 #define RGA_TEST_TIME 0
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60 #define RGA_TEST_FLUSH_TIME 0
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61 #define RGA_INFO_BUS_ERROR 1
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63 #define PRE_SCALE_BUF_SIZE 2048*1024*4
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65 #define RGA_POWER_OFF_DELAY 4*HZ /* 4s */
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66 #define RGA_TIMEOUT_DELAY 2*HZ /* 2s */
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68 #define RGA_MAJOR 255
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70 #if defined(CONFIG_ARCH_RK2928) || defined(CONFIG_ARCH_RK3026)
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71 #define RK30_RGA_PHYS RK2928_RGA_PHYS
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72 #define RK30_RGA_SIZE RK2928_RGA_SIZE
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74 #define RGA_RESET_TIMEOUT 1000
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76 /* Driver information */
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77 #define DRIVER_DESC "RGA Device Driver"
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78 #define DRIVER_NAME "rga"
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80 #define RGA_VERSION "1.003"
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85 rga_session rga_session_global;
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87 long (*rga_ioctl_kernel_p)(struct rga_req *);
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90 struct rga_drvdata {
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91 struct miscdevice miscdev;
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96 struct delayed_work power_off_work;
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97 void (*rga_irq_callback)(int rga_retval); //callback function used by aync call
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98 struct wake_lock wake_lock;
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100 struct clk *pd_rga;
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101 struct clk *aclk_rga;
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102 struct clk *hclk_rga;
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104 //#if defined(CONFIG_ION_ROCKCHIP)
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105 struct ion_client * ion_client;
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109 static struct rga_drvdata *drvdata;
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110 rga_service_info rga_service;
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112 #if defined(CONFIG_ION_ROCKCHIP)
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113 extern struct ion_client *rockchip_ion_client_create(const char * name);
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116 static int rga_blit_async(rga_session *session, struct rga_req *req);
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117 static void rga_del_running_list(void);
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118 static void rga_del_running_list_timeout(void);
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119 static void rga_try_set_reg(void);
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123 #define RGA_DEBUG 0
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125 #define DBG(format, args...) printk(KERN_DEBUG "%s: " format, DRIVER_NAME, ## args)
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126 #define ERR(format, args...) printk(KERN_ERR "%s: " format, DRIVER_NAME, ## args)
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127 #define WARNING(format, args...) printk(KERN_WARN "%s: " format, DRIVER_NAME, ## args)
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128 #define INFO(format, args...) printk(KERN_INFO "%s: " format, DRIVER_NAME, ## args)
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130 #define DBG(format, args...)
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131 #define ERR(format, args...)
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132 #define WARNING(format, args...)
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133 #define INFO(format, args...)
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137 static void print_info(struct rga_req *req)
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139 printk("src : yrgb_addr = %.8x, src.uv_addr = %.8x, src.v_addr = %.8x, format = %d\n",
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140 req->src.yrgb_addr, req->src.uv_addr, req->src.v_addr, req->src.format);
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141 printk("src : act_w = %d, act_h = %d, vir_w = %d, vir_h = %d\n",
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142 req->src.act_w, req->src.act_h, req->src.vir_w, req->src.vir_h);
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143 printk("src : x_off = %.8x y_off = %.8x\n", req->src.x_offset, req->src.y_offset);
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145 printk("dst : yrgb_addr = %.8x, dst.uv_addr = %.8x, dst.v_addr = %.8x, format = %d\n",
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146 req->dst.yrgb_addr, req->dst.uv_addr, req->dst.v_addr, req->dst.format);
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147 printk("dst : x_off = %.8x y_off = %.8x\n", req->dst.x_offset, req->dst.y_offset);
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148 printk("dst : act_w = %d, act_h = %d, vir_w = %d, vir_h = %d\n",
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149 req->dst.act_w, req->dst.act_h, req->dst.vir_w, req->dst.vir_h);
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151 printk("clip.xmin = %d, clip.xmax = %d. clip.ymin = %d, clip.ymax = %d\n",
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152 req->clip.xmin, req->clip.xmax, req->clip.ymin, req->clip.ymax);
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154 //printk("alpha_rop_flag = %.8x\n", req->alpha_rop_flag);
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155 //printk("alpha_rop_mode = %.8x\n", req->alpha_rop_mode);
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156 //printk("PD_mode = %.8x\n", req->PD_mode);
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161 static inline void rga_write(u32 b, u32 r)
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163 __raw_writel(b, drvdata->rga_base + r);
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166 static inline u32 rga_read(u32 r)
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168 return __raw_readl(drvdata->rga_base + r);
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171 static void rga_soft_reset(void)
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176 rga_write(1, RGA_SYS_CTRL); //RGA_SYS_CTRL
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178 for(i = 0; i < RGA_RESET_TIMEOUT; i++)
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180 reg = rga_read(RGA_SYS_CTRL) & 1; //RGA_SYS_CTRL
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188 if(i == RGA_RESET_TIMEOUT)
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189 ERR("soft reset timeout.\n");
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192 static void rga_dump(void)
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195 struct rga_reg *reg, *reg_tmp;
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196 rga_session *session, *session_tmp;
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198 running = atomic_read(&rga_service.total_running);
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199 printk("rga total_running %d\n", running);
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203 /* Dump waiting list info */
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204 if (!list_empty(&rga_service.waiting))
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208 next = &rga_service.waiting;
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210 printk("rga_service dump waiting list\n");
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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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223 /* Dump running list info */
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224 if (!list_empty(&rga_service.running))
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226 printk("rga_service dump running list\n");
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230 next = &rga_service.running;
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233 reg = list_entry(next->next, struct rga_reg, status_link);
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234 running = atomic_read(®->session->task_running);
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235 num_done = atomic_read(®->session->num_done);
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236 printk("rga session pid %d, done %d, running %d:\n", reg->session->pid, num_done, running);
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239 while(!list_empty(next));
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243 list_for_each_entry_safe(session, session_tmp, &rga_service.session, list_session)
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245 printk("session pid %d:\n", session->pid);
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246 running = atomic_read(&session->task_running);
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247 printk("task_running %d\n", running);
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248 list_for_each_entry_safe(reg, reg_tmp, &session->waiting, session_link)
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250 printk("waiting register set 0x%.8x\n", (unsigned int)reg);
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252 list_for_each_entry_safe(reg, reg_tmp, &session->running, session_link)
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254 printk("running register set 0x%.8x\n", (unsigned int)reg);
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259 static inline void rga_queue_power_off_work(void)
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261 queue_delayed_work(system_nrt_wq, &drvdata->power_off_work, RGA_POWER_OFF_DELAY);
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264 /* Caller must hold rga_service.lock */
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265 static void rga_power_on(void)
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267 static ktime_t last;
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268 ktime_t now = ktime_get();
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270 if (ktime_to_ns(ktime_sub(now, last)) > NSEC_PER_SEC) {
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271 cancel_delayed_work_sync(&drvdata->power_off_work);
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272 rga_queue_power_off_work();
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275 if (rga_service.enable)
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278 clk_prepare_enable(drvdata->aclk_rga);
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279 clk_prepare_enable(drvdata->hclk_rga);
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280 //clk_prepare_enable(drvdata->pd_rga);
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281 wake_lock(&drvdata->wake_lock);
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282 rga_service.enable = true;
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285 /* Caller must hold rga_service.lock */
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286 static void rga_power_off(void)
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290 if (!rga_service.enable) {
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294 total_running = atomic_read(&rga_service.total_running);
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295 if (total_running) {
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296 pr_err("power off when %d task running!!\n", total_running);
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298 pr_err("delay 50 ms for running task\n");
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302 //clk_disable_unprepare(drvdata->pd_rga);
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303 clk_disable_unprepare(drvdata->aclk_rga);
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304 clk_disable_unprepare(drvdata->hclk_rga);
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305 wake_unlock(&drvdata->wake_lock);
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306 rga_service.enable = false;
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309 static void rga_power_off_work(struct work_struct *work)
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311 if (mutex_trylock(&rga_service.lock)) {
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313 mutex_unlock(&rga_service.lock);
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315 /* Come back later if the device is busy... */
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316 rga_queue_power_off_work();
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320 static int rga_flush(rga_session *session, unsigned long arg)
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325 #if RGA_TEST_FLUSH_TIME
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328 start = ktime_get();
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331 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA_TIMEOUT_DELAY);
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333 if (unlikely(ret_timeout < 0)) {
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334 //pr_err("flush pid %d wait task ret %d\n", session->pid, ret);
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335 mutex_lock(&rga_service.lock);
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336 rga_del_running_list();
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337 mutex_unlock(&rga_service.lock);
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339 } else if (0 == ret_timeout) {
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340 //pr_err("flush pid %d wait %d task done timeout\n", session->pid, atomic_read(&session->task_running));
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341 //printk("bus = %.8x\n", rga_read(RGA_INT));
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342 mutex_lock(&rga_service.lock);
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343 rga_del_running_list_timeout();
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345 mutex_unlock(&rga_service.lock);
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349 #if RGA_TEST_FLUSH_TIME
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351 end = ktime_sub(end, start);
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352 printk("one flush wait time %d\n", (int)ktime_to_us(end));
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359 static int rga_get_result(rga_session *session, unsigned long arg)
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361 //printk("rga_get_result %d\n",drvdata->rga_result);
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367 num_done = atomic_read(&session->num_done);
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369 if (unlikely(copy_to_user((void __user *)arg, &num_done, sizeof(int)))) {
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370 printk("copy_to_user failed\n");
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377 static int rga_check_param(const struct rga_req *req)
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379 /*RGA can support up to 8192*8192 resolution in RGB format,but we limit the image size to 8191*8191 here*/
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380 //check src width and height
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382 if(!((req->render_mode == color_fill_mode) || (req->render_mode == line_point_drawing_mode)))
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384 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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386 printk("invalid source resolution act_w = %d, act_h = %d\n", req->src.act_w, req->src.act_h);
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391 if(!((req->render_mode == color_fill_mode) || (req->render_mode == line_point_drawing_mode)))
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393 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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395 printk("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
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400 //check dst width and height
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401 if (unlikely((req->dst.act_w <= 0) || (req->dst.act_w > 2048) || (req->dst.act_h <= 0) || (req->dst.act_h > 2048)))
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403 printk("invalid destination resolution act_w = %d, act_h = %d\n", req->dst.act_w, req->dst.act_h);
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407 if (unlikely((req->dst.vir_w <= 0) || (req->dst.vir_w > 4096) || (req->dst.vir_h <= 0) || (req->dst.vir_h > 2048)))
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409 printk("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
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414 if(unlikely(req->src.vir_w < req->src.act_w)){
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415 printk("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);
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420 if(unlikely(req->dst.vir_w < req->dst.act_w)){
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421 if(req->rotate_mode != 1)
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423 printk("invalid dst_vir_w act_h = %d, vir_h = %d\n", req->dst.act_w, req->dst.vir_w);
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431 static void rga_copy_reg(struct rga_reg *reg, uint32_t offset)
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437 if(atomic_read(®->session->task_running) != 0)
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439 printk(KERN_ERR "task_running is no zero\n");
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442 atomic_add(1, &rga_service.cmd_num);
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443 atomic_add(1, ®->session->task_running);
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445 cmd_buf = (uint32_t *)rga_service.cmd_buff + offset*32;
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446 reg_p = (uint32_t *)reg->cmd_reg;
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448 for(i=0; i<32; i++)
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450 cmd_buf[i] = reg_p[i];
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457 static struct rga_reg * rga_reg_init(rga_session *session, struct rga_req *req)
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460 struct rga_reg *reg = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);
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462 pr_err("kmalloc fail in rga_reg_init\n");
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466 reg->session = session;
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467 INIT_LIST_HEAD(®->session_link);
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468 INIT_LIST_HEAD(®->status_link);
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470 reg->MMU_base = NULL;
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472 if (req->mmu_info.mmu_en)
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474 ret = rga_set_mmu_info(reg, req);
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477 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
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486 if(RGA_gen_reg_info(req, (uint8_t *)reg->cmd_reg) == -1)
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488 printk("gen reg info error\n");
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496 mutex_lock(&rga_service.lock);
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497 list_add_tail(®->status_link, &rga_service.waiting);
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498 list_add_tail(®->session_link, &session->waiting);
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499 mutex_unlock(&rga_service.lock);
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504 static struct rga_reg * rga_reg_init_2(rga_session *session, struct rga_req *req0, struct rga_req *req1)
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508 struct rga_reg *reg0, *reg1;
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515 reg0 = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);
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516 if (NULL == reg0) {
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517 pr_err("%s [%d] kmalloc fail in rga_reg_init\n", __FUNCTION__, __LINE__);
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521 reg1 = kzalloc(sizeof(struct rga_reg), GFP_KERNEL);
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522 if (NULL == reg1) {
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523 pr_err("%s [%d] kmalloc fail in rga_reg_init\n", __FUNCTION__, __LINE__);
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527 reg0->session = session;
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528 INIT_LIST_HEAD(®0->session_link);
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529 INIT_LIST_HEAD(®0->status_link);
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531 reg1->session = session;
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532 INIT_LIST_HEAD(®1->session_link);
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533 INIT_LIST_HEAD(®1->status_link);
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535 if(req0->mmu_info.mmu_en)
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537 ret = rga_set_mmu_info(reg0, req0);
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539 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
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544 RGA_gen_reg_info(req0, (uint8_t *)reg0->cmd_reg);
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546 if(req1->mmu_info.mmu_en)
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548 ret = rga_set_mmu_info(reg1, req1);
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550 printk("%s, [%d] set mmu info error \n", __FUNCTION__, __LINE__);
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555 RGA_gen_reg_info(req1, (uint8_t *)reg1->cmd_reg);
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557 mutex_lock(&rga_service.lock);
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558 list_add_tail(®0->status_link, &rga_service.waiting);
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559 list_add_tail(®0->session_link, &session->waiting);
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560 list_add_tail(®1->status_link, &rga_service.waiting);
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561 list_add_tail(®1->session_link, &session->waiting);
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562 mutex_unlock(&rga_service.lock);
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579 /* Caller must hold rga_service.lock */
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580 static void rga_reg_deinit(struct rga_reg *reg)
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582 list_del_init(®->session_link);
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583 list_del_init(®->status_link);
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587 /* Caller must hold rga_service.lock */
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588 static void rga_reg_from_wait_to_run(struct rga_reg *reg)
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590 list_del_init(®->status_link);
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591 list_add_tail(®->status_link, &rga_service.running);
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593 list_del_init(®->session_link);
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594 list_add_tail(®->session_link, ®->session->running);
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597 /* Caller must hold rga_service.lock */
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598 static void rga_service_session_clear(rga_session *session)
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600 struct rga_reg *reg, *n;
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602 list_for_each_entry_safe(reg, n, &session->waiting, session_link)
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604 rga_reg_deinit(reg);
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607 list_for_each_entry_safe(reg, n, &session->running, session_link)
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609 rga_reg_deinit(reg);
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613 /* Caller must hold rga_service.lock */
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614 static void rga_try_set_reg(void)
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616 struct rga_reg *reg ;
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618 if (list_empty(&rga_service.running))
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620 if (!list_empty(&rga_service.waiting))
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623 reg = list_entry(rga_service.waiting.next, struct rga_reg, status_link);
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628 rga_copy_reg(reg, 0);
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629 rga_reg_from_wait_to_run(reg);
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631 dmac_flush_range(&rga_service.cmd_buff[0], &rga_service.cmd_buff[28]);
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632 outer_flush_range(virt_to_phys(&rga_service.cmd_buff[0]),virt_to_phys(&rga_service.cmd_buff[28]));
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634 #if defined(CONFIG_ARCH_RK30)
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638 rga_write(0x0, RGA_SYS_CTRL);
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639 rga_write(0, RGA_MMU_CTRL);
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642 rga_write(virt_to_phys(rga_service.cmd_buff), RGA_CMD_ADDR);
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646 //printk(KERN_DEBUG "cmd_addr = %.8x\n", rga_read(RGA_CMD_ADDR));
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649 p = rga_service.cmd_buff;
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650 printk("CMD_REG\n");
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651 for (i=0; i<7; i++)
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652 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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653 printk("%.8x %.8x\n", p[0 + i*4], p[1+i*4]);
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658 rga_write((0x1<<2)|(0x1<<3), RGA_SYS_CTRL);
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660 /* All CMD finish int */
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661 rga_write(rga_read(RGA_INT)|(0x1<<10)|(0x1<<8), RGA_INT);
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664 rga_start = ktime_get();
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668 atomic_set(®->session->done, 0);
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669 rga_write(0x1, RGA_CMD_CTRL);
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674 printk("CMD_READ_BACK_REG\n");
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675 for (i=0; i<7; i++)
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676 printk("%.8x %.8x %.8x %.8x\n", rga_read(0x100 + i*16 + 0),
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677 rga_read(0x100 + i*16 + 4), rga_read(0x100 + i*16 + 8), rga_read(0x100 + i*16 + 12));
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678 printk("%.8x %.8x\n", rga_read(0x100 + i*16 + 0), rga_read(0x100 + i*16 + 4));
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688 /* Caller must hold rga_service.lock */
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689 static void rga_del_running_list(void)
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691 struct rga_reg *reg;
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693 while(!list_empty(&rga_service.running))
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695 reg = list_entry(rga_service.running.next, struct rga_reg, status_link);
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697 if(reg->MMU_base != NULL)
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699 kfree(reg->MMU_base);
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700 reg->MMU_base = NULL;
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702 atomic_sub(1, ®->session->task_running);
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703 atomic_sub(1, &rga_service.total_running);
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705 if(list_empty(®->session->waiting))
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707 atomic_set(®->session->done, 1);
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708 wake_up(®->session->wait);
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711 rga_reg_deinit(reg);
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715 /* Caller must hold rga_service.lock */
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716 static void rga_del_running_list_timeout(void)
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718 struct rga_reg *reg;
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720 while(!list_empty(&rga_service.running))
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722 reg = list_entry(rga_service.running.next, struct rga_reg, status_link);
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724 if(reg->MMU_base != NULL)
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726 kfree(reg->MMU_base);
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729 atomic_sub(1, ®->session->task_running);
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730 atomic_sub(1, &rga_service.total_running);
\r
732 //printk("RGA soft reset for timeout process\n");
\r
737 printk("RGA_INT is %.8x\n", rga_read(RGA_INT));
\r
738 printk("reg->session->task_running = %d\n", atomic_read(®->session->task_running));
\r
739 printk("rga_service.total_running = %d\n", atomic_read(&rga_service.total_running));
\r
741 print_info(®->req);
\r
746 for (i=0; i<7; i++)
\r
747 printk("%.8x %.8x %.8x %.8x\n", p[0 + i*4], p[1+i*4], p[2 + i*4], p[3 + i*4]);
\r
752 if(list_empty(®->session->waiting))
\r
754 atomic_set(®->session->done, 1);
\r
755 wake_up(®->session->wait);
\r
758 rga_reg_deinit(reg);
\r
763 static void rga_mem_addr_sel(struct rga_req *req)
\r
765 switch(req->src.format)
\r
767 case RK_FORMAT_YCbCr_422_SP:
\r
769 case RK_FORMAT_YCbCr_422_P :
\r
771 case RK_FORMAT_YCbCr_420_SP :
\r
772 if((req->src.yrgb_addr > 0xc0000000) && (req->src.uv_addr > 0xc0000000)
\r
773 && (req->dst.yrgb_addr > 0xc0000000))
\r
775 req->src.yrgb_addr = req->src.yrgb_addr - 0x60000000;
\r
776 req->src.uv_addr = req->src.uv_addr - 0x60000000;
\r
777 req->dst.yrgb_addr = req->dst.yrgb_addr - 0x60000000;
\r
778 req->mmu_info.mmu_en = 0;
\r
779 req->mmu_info.mmu_flag &= 0xfffe;
\r
782 case RK_FORMAT_YCbCr_420_P :
\r
784 case RK_FORMAT_YCrCb_422_SP :
\r
786 case RK_FORMAT_YCrCb_422_P :
\r
788 case RK_FORMAT_YCrCb_420_SP :
\r
790 case RK_FORMAT_YCrCb_420_P :
\r
798 static int rga_convert_dma_buf(struct rga_req *req)
\r
800 struct ion_handle *hdl;
\r
801 ion_phys_addr_t phy_addr;
\r
805 req->sg_src = NULL;
\r
806 req->sg_dst = NULL;
\r
808 if(req->src.yrgb_addr) {
\r
809 hdl = ion_import_dma_buf(drvdata->ion_client, req->src.yrgb_addr);
\r
811 ret = PTR_ERR(hdl);
\r
812 printk("RGA2 ERROR ion buf handle\n");
\r
815 if ((req->mmu_info.mmu_flag >> 8) & 1) {
\r
816 req->sg_src = ion_sg_table(drvdata->ion_client, hdl);
\r
817 req->src.yrgb_addr = req->src.uv_addr;
\r
818 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
\r
819 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
\r
822 ion_phys(drvdata->ion_client, hdl, &phy_addr, &len);
\r
823 req->src.yrgb_addr = phy_addr;
\r
824 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
\r
825 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
\r
827 ion_free(drvdata->ion_client, hdl);
\r
830 req->src.yrgb_addr = req->src.uv_addr;
\r
831 req->src.uv_addr = req->src.yrgb_addr + (req->src.vir_w * req->src.vir_h);
\r
832 req->src.v_addr = req->src.uv_addr + (req->src.vir_w * req->src.vir_h)/4;
\r
835 if(req->dst.yrgb_addr) {
\r
836 hdl = ion_import_dma_buf(drvdata->ion_client, req->dst.yrgb_addr);
\r
838 ret = PTR_ERR(hdl);
\r
839 printk("RGA2 ERROR ion buf handle\n");
\r
842 if ((req->mmu_info.mmu_flag >> 10) & 1) {
\r
843 req->sg_dst = ion_sg_table(drvdata->ion_client, hdl);
\r
844 req->dst.yrgb_addr = req->dst.uv_addr;
\r
845 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
846 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
849 ion_phys(drvdata->ion_client, hdl, &phy_addr, &len);
\r
850 req->dst.yrgb_addr = phy_addr;
\r
851 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
852 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
854 ion_free(drvdata->ion_client, hdl);
\r
857 req->dst.yrgb_addr = req->dst.uv_addr;
\r
858 req->dst.uv_addr = req->dst.yrgb_addr + (req->dst.vir_w * req->dst.vir_h);
\r
859 req->dst.v_addr = req->dst.uv_addr + (req->dst.vir_w * req->dst.vir_h)/4;
\r
866 static int rga_blit(rga_session *session, struct rga_req *req)
\r
870 struct rga_reg *reg;
\r
871 struct rga_req req2;
\r
873 uint32_t saw, sah, daw, dah;
\r
875 saw = req->src.act_w;
\r
876 sah = req->src.act_h;
\r
877 daw = req->dst.act_w;
\r
878 dah = req->dst.act_h;
\r
884 if(rga_convert_dma_buf(req)) {
\r
885 printk("RGA : DMA buf copy error\n");
\r
890 if((req->render_mode == bitblt_mode) && (((saw>>1) >= daw) || ((sah>>1) >= dah))) {
\r
891 /* generate 2 cmd for pre scale */
\r
893 ret = rga_check_param(req);
\r
894 if(ret == -EINVAL) {
\r
895 printk("req 0 argument is inval\n");
\r
899 ret = RGA_gen_two_pro(req, &req2);
\r
900 if(ret == -EINVAL) {
\r
904 ret = rga_check_param(req);
\r
905 if(ret == -EINVAL) {
\r
906 printk("req 1 argument is inval\n");
\r
910 ret = rga_check_param(&req2);
\r
911 if(ret == -EINVAL) {
\r
912 printk("req 2 argument is inval\n");
\r
916 reg = rga_reg_init_2(session, req, &req2);
\r
924 /* check value if legal */
\r
925 ret = rga_check_param(req);
\r
926 if(ret == -EINVAL) {
\r
927 printk("req argument is inval\n");
\r
931 if(req->render_mode == bitblt_mode)
\r
932 rga_mem_addr_sel(req);
\r
934 reg = rga_reg_init(session, req);
\r
941 mutex_lock(&rga_service.lock);
\r
942 atomic_add(num, &rga_service.total_running);
\r
944 mutex_unlock(&rga_service.lock);
\r
953 static int rga_blit_async(rga_session *session, struct rga_req *req)
\r
958 printk("*** rga_blit_async proc ***\n");
\r
961 atomic_set(&session->done, 0);
\r
962 ret = rga_blit(session, req);
\r
966 static int rga_blit_sync(rga_session *session, struct rga_req *req)
\r
969 int ret_timeout = 0;
\r
972 printk("*** rga_blit_sync proc ***\n");
\r
975 atomic_set(&session->done, 0);
\r
976 ret = rga_blit(session, req);
\r
980 ret_timeout = wait_event_timeout(session->wait, atomic_read(&session->done), RGA_TIMEOUT_DELAY);
\r
982 if (unlikely(ret_timeout< 0)) {
\r
983 mutex_lock(&rga_service.lock);
\r
984 rga_del_running_list();
\r
985 mutex_unlock(&rga_service.lock);
\r
988 else if (0 == ret_timeout) {
\r
989 mutex_lock(&rga_service.lock);
\r
990 rga_del_running_list_timeout();
\r
992 mutex_unlock(&rga_service.lock);
\r
997 rga_end = ktime_get();
\r
998 rga_end = ktime_sub(rga_end, rga_start);
\r
999 printk("sync one cmd end time %d\n", (int)ktime_to_us(rga_end));
\r
1006 static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
\r
1008 struct rga_req req;
\r
1010 rga_session *session;
\r
1012 mutex_lock(&rga_service.mutex);
\r
1014 session = (rga_session *)file->private_data;
\r
1016 if (NULL == session) {
\r
1017 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
1018 mutex_unlock(&rga_service.mutex);
\r
1022 memset(&req, 0x0, sizeof(req));
\r
1025 case RGA_BLIT_SYNC:
\r
1026 if (unlikely(copy_from_user(&req, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
1028 ERR("copy_from_user failed\n");
\r
1032 ret = rga_blit_sync(session, &req);
\r
1034 case RGA_BLIT_ASYNC:
\r
1035 if (unlikely(copy_from_user(&req, (struct rga_req*)arg, sizeof(struct rga_req))))
\r
1037 ERR("copy_from_user failed\n");
\r
1042 if((atomic_read(&rga_service.total_running) > 16))
\r
1044 ret = rga_blit_sync(session, &req);
\r
1048 ret = rga_blit_async(session, &req);
\r
1052 ret = rga_flush(session, arg);
\r
1054 case RGA_GET_RESULT:
\r
1055 ret = rga_get_result(session, arg);
\r
1057 case RGA_GET_VERSION:
\r
1058 ret = copy_to_user((void *)arg, RGA_VERSION, sizeof(RGA_VERSION));
\r
1062 ERR("unknown ioctl cmd!\n");
\r
1067 mutex_unlock(&rga_service.mutex);
\r
1073 long rga_ioctl_kernel(struct rga_req *req)
\r
1076 if (!rga_ioctl_kernel_p) {
\r
1077 printk("rga_ioctl_kernel_p is NULL\n");
\r
1081 ret = (*rga_ioctl_kernel_p)(req);
\r
1087 long rga_ioctl_kernel_imp(struct rga_req *req)
\r
1090 rga_session *session;
\r
1092 mutex_lock(&rga_service.mutex);
\r
1094 session = &rga_session_global;
\r
1096 if (NULL == session) {
\r
1097 printk("%s [%d] rga thread session is null\n",__FUNCTION__,__LINE__);
\r
1098 mutex_unlock(&rga_service.mutex);
\r
1102 ret = rga_blit_sync(session, req);
\r
1104 mutex_unlock(&rga_service.mutex);
\r
1110 static int rga_open(struct inode *inode, struct file *file)
\r
1112 rga_session *session = kzalloc(sizeof(rga_session), GFP_KERNEL);
\r
1113 if (NULL == session) {
\r
1114 pr_err("unable to allocate memory for rga_session.");
\r
1118 session->pid = current->pid;
\r
1119 //printk(KERN_DEBUG "+");
\r
1121 INIT_LIST_HEAD(&session->waiting);
\r
1122 INIT_LIST_HEAD(&session->running);
\r
1123 INIT_LIST_HEAD(&session->list_session);
\r
1124 init_waitqueue_head(&session->wait);
\r
1125 mutex_lock(&rga_service.lock);
\r
1126 list_add_tail(&session->list_session, &rga_service.session);
\r
1127 mutex_unlock(&rga_service.lock);
\r
1128 atomic_set(&session->task_running, 0);
\r
1129 atomic_set(&session->num_done, 0);
\r
1131 file->private_data = (void *)session;
\r
1133 //DBG("*** rga dev opened by pid %d *** \n", session->pid);
\r
1134 return nonseekable_open(inode, file);
\r
1138 static int rga_release(struct inode *inode, struct file *file)
\r
1141 rga_session *session = (rga_session *)file->private_data;
\r
1142 if (NULL == session)
\r
1144 //printk(KERN_DEBUG "-");
\r
1145 task_running = atomic_read(&session->task_running);
\r
1149 pr_err("rga_service session %d still has %d task running when closing\n", session->pid, task_running);
\r
1154 wake_up(&session->wait);
\r
1155 mutex_lock(&rga_service.lock);
\r
1156 list_del(&session->list_session);
\r
1157 rga_service_session_clear(session);
\r
1159 mutex_unlock(&rga_service.lock);
\r
1161 //DBG("*** rga dev close ***\n");
\r
1165 static irqreturn_t rga_irq_thread(int irq, void *dev_id)
\r
1167 mutex_lock(&rga_service.lock);
\r
1168 if (rga_service.enable) {
\r
1169 rga_del_running_list();
\r
1170 rga_try_set_reg();
\r
1172 mutex_unlock(&rga_service.lock);
\r
1174 return IRQ_HANDLED;
\r
1177 static irqreturn_t rga_irq(int irq, void *dev_id)
\r
1180 rga_write(rga_read(RGA_INT) | (0x1<<6) | (0x1<<7) | (0x1<<4), RGA_INT);
\r
1182 return IRQ_WAKE_THREAD;
\r
1185 struct file_operations rga_fops = {
\r
1186 .owner = THIS_MODULE,
\r
1188 .release = rga_release,
\r
1189 .unlocked_ioctl = rga_ioctl,
\r
1192 static struct miscdevice rga_dev ={
\r
1193 .minor = RGA_MAJOR,
\r
1195 .fops = &rga_fops,
\r
1199 #if defined(CONFIG_OF)
\r
1200 static const struct of_device_id rockchip_rga_dt_ids[] = {
\r
1201 { .compatible = "rockchip,rga_drv", },
\r
1206 static int rga_drv_probe(struct platform_device *pdev)
\r
1208 struct rga_drvdata *data;
\r
1209 struct resource *res;
\r
1210 //struct device_node *np = pdev->dev.of_node;
\r
1213 mutex_init(&rga_service.lock);
\r
1214 mutex_init(&rga_service.mutex);
\r
1215 atomic_set(&rga_service.total_running, 0);
\r
1216 atomic_set(&rga_service.src_format_swt, 0);
\r
1217 rga_service.last_prc_src_format = 1; /* default is yuv first*/
\r
1218 rga_service.enable = false;
\r
1220 rga_ioctl_kernel_p = rga_ioctl_kernel_imp;
\r
1222 data = devm_kzalloc(&pdev->dev, sizeof(struct rga_drvdata), GFP_KERNEL);
\r
1224 ERR("failed to allocate driver data.\n");
\r
1228 INIT_DELAYED_WORK(&data->power_off_work, rga_power_off_work);
\r
1229 wake_lock_init(&data->wake_lock, WAKE_LOCK_SUSPEND, "rga");
\r
1231 //data->pd_rga = devm_clk_get(&pdev->dev, "pd_rga");
\r
1232 data->aclk_rga = devm_clk_get(&pdev->dev, "aclk_rga");
\r
1233 data->hclk_rga = devm_clk_get(&pdev->dev, "hclk_rga");
\r
1235 /* map the registers */
\r
1236 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
\r
1237 data->rga_base = devm_ioremap_resource(&pdev->dev, res);
\r
1238 if (!data->rga_base) {
\r
1239 ERR("rga ioremap failed\n");
\r
1245 data->irq = ret = platform_get_irq(pdev, 0);
\r
1247 ERR("failed to get rga irq resource (%d).\n", data->irq);
\r
1252 /* request the IRQ */
\r
1253 //ret = request_threaded_irq(data->irq, rga_irq, rga_irq_thread, 0, "rga", pdev);
\r
1254 ret = devm_request_threaded_irq(&pdev->dev, data->irq, rga_irq, rga_irq_thread, 0, "rga", data);
\r
1257 ERR("rga request_irq failed (%d).\n", ret);
\r
1261 platform_set_drvdata(pdev, data);
\r
1264 #if defined(CONFIG_ION_ROCKCHIP)
\r
1265 data->ion_client = rockchip_ion_client_create("rga");
\r
1266 if (IS_ERR(data->ion_client)) {
\r
1267 dev_err(&pdev->dev, "failed to create ion client for rga");
\r
1268 return PTR_ERR(data->ion_client);
\r
1270 dev_info(&pdev->dev, "rga ion client create success!\n");
\r
1274 ret = misc_register(&rga_dev);
\r
1277 ERR("cannot register miscdev (%d)\n", ret);
\r
1278 goto err_misc_register;
\r
1281 pr_info("Driver loaded succesfully\n");
\r
1285 err_misc_register:
\r
1286 free_irq(data->irq, pdev);
\r
1288 iounmap(data->rga_base);
\r
1290 wake_lock_destroy(&data->wake_lock);
\r
1296 static int rga_drv_remove(struct platform_device *pdev)
\r
1298 struct rga_drvdata *data = platform_get_drvdata(pdev);
\r
1299 DBG("%s [%d]\n",__FUNCTION__,__LINE__);
\r
1301 wake_lock_destroy(&data->wake_lock);
\r
1302 misc_deregister(&(data->miscdev));
\r
1303 free_irq(data->irq, &data->miscdev);
\r
1304 iounmap((void __iomem *)(data->rga_base));
\r
1306 //clk_put(data->pd_rga);
\r
1307 devm_clk_put(&pdev->dev, data->aclk_rga);
\r
1308 devm_clk_put(&pdev->dev, data->hclk_rga);
\r
1314 static struct platform_driver rga_driver = {
\r
1315 .probe = rga_drv_probe,
\r
1316 .remove = rga_drv_remove,
\r
1318 .owner = THIS_MODULE,
\r
1320 .of_match_table = of_match_ptr(rockchip_rga_dt_ids),
\r
1325 void rga_test_0(void);
\r
1326 void rga_test_1(void);
\r
1329 static int __init rga_init(void)
\r
1332 uint32_t *mmu_buf;
\r
1336 /* malloc pre scale mid buf mmu table */
\r
1337 mmu_buf = kzalloc(1024*8, GFP_KERNEL);
\r
1338 if(mmu_buf == NULL)
\r
1340 printk(KERN_ERR "RGA get Pre Scale buff failed. \n");
\r
1344 /* malloc 4 M buf */
\r
1345 for(i=0; i<1024; i++)
\r
1347 buf_p = (uint32_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
\r
1350 printk(KERN_ERR "RGA init pre scale buf falied\n");
\r
1354 mmu_buf[i] = virt_to_phys((void *)((uint32_t)buf_p));
\r
1357 rga_service.pre_scale_buf = (uint32_t *)mmu_buf;
\r
1359 if ((ret = platform_driver_register(&rga_driver)) != 0)
\r
1361 printk(KERN_ERR "Platform device register failed (%d).\n", ret);
\r
1366 rga_session_global.pid = 0x0000ffff;
\r
1367 INIT_LIST_HEAD(&rga_session_global.waiting);
\r
1368 INIT_LIST_HEAD(&rga_session_global.running);
\r
1369 INIT_LIST_HEAD(&rga_session_global.list_session);
\r
1371 INIT_LIST_HEAD(&rga_service.waiting);
\r
1372 INIT_LIST_HEAD(&rga_service.running);
\r
1373 INIT_LIST_HEAD(&rga_service.done);
\r
1374 INIT_LIST_HEAD(&rga_service.session);
\r
1376 init_waitqueue_head(&rga_session_global.wait);
\r
1377 //mutex_lock(&rga_service.lock);
\r
1378 list_add_tail(&rga_session_global.list_session, &rga_service.session);
\r
1379 //mutex_unlock(&rga_service.lock);
\r
1380 atomic_set(&rga_session_global.task_running, 0);
\r
1381 atomic_set(&rga_session_global.num_done, 0);
\r
1390 INFO("Module initialized.\n");
\r
1395 static void __exit rga_exit(void)
\r
1401 for(i=0; i<1024; i++)
\r
1403 if((uint32_t *)rga_service.pre_scale_buf[i] != NULL)
\r
1405 __free_page((void *)rga_service.pre_scale_buf[i]);
\r
1409 if(rga_service.pre_scale_buf != NULL) {
\r
1410 kfree((uint8_t *)rga_service.pre_scale_buf);
\r
1412 platform_driver_unregister(&rga_driver);
\r
1418 extern struct fb_info * rk_get_fb(int fb_id);
\r
1419 EXPORT_SYMBOL(rk_get_fb);
\r
1421 extern void rk_direct_fb_show(struct fb_info * fbi);
\r
1422 EXPORT_SYMBOL(rk_direct_fb_show);
\r
1424 unsigned int src_buf[1920*1080];
\r
1425 unsigned int dst_buf[1920*1080];
\r
1426 //unsigned int tmp_buf[1920*1080 * 2];
\r
1428 void rga_test_0(void)
\r
1430 struct rga_req req;
\r
1431 rga_session session;
\r
1432 unsigned int *src, *dst;
\r
1436 uint32_t *dst0, *dst1, *dst2;
\r
1438 struct fb_info *fb;
\r
1440 session.pid = current->pid;
\r
1441 INIT_LIST_HEAD(&session.waiting);
\r
1442 INIT_LIST_HEAD(&session.running);
\r
1443 INIT_LIST_HEAD(&session.list_session);
\r
1444 init_waitqueue_head(&session.wait);
\r
1445 /* no need to protect */
\r
1446 list_add_tail(&session.list_session, &rga_service.session);
\r
1447 atomic_set(&session.task_running, 0);
\r
1448 atomic_set(&session.num_done, 0);
\r
1449 //file->private_data = (void *)session;
\r
1451 fb = rk_get_fb(0);
\r
1453 memset(&req, 0, sizeof(struct rga_req));
\r
1457 memset(src_buf, 0x80, 1024*600*4);
\r
1459 dmac_flush_range(&src_buf[0], &src_buf[1024*600]);
\r
1460 outer_flush_range(virt_to_phys(&src_buf[0]),virt_to_phys(&src_buf[1024*600]));
\r
1464 memset(src_buf, 0x80, 800*480*4);
\r
1465 memset(dst_buf, 0xcc, 800*480*4);
\r
1467 dmac_flush_range(&dst_buf[0], &dst_buf[800*480]);
\r
1468 outer_flush_range(virt_to_phys(&dst_buf[0]),virt_to_phys(&dst_buf[800*480]));
\r
1471 dst0 = &dst_buf[0];
\r
1472 //dst1 = &dst_buf[1280*800*4];
\r
1473 //dst2 = &dst_buf[1280*800*4*2];
\r
1477 printk("\n********************************\n");
\r
1478 printk("************ RGA_TEST ************\n");
\r
1479 printk("********************************\n\n");
\r
1481 req.src.act_w = 1024;
\r
1482 req.src.act_h = 600;
\r
1484 req.src.vir_w = 1024;
\r
1485 req.src.vir_h = 600;
\r
1486 req.src.yrgb_addr = (uint32_t)virt_to_phys(src);
\r
1487 req.src.uv_addr = (uint32_t)(req.src.yrgb_addr + 1080*1920);
\r
1488 req.src.v_addr = (uint32_t)virt_to_phys(src);
\r
1489 req.src.format = RK_FORMAT_RGBA_8888;
\r
1491 req.dst.act_w = 600;
\r
1492 req.dst.act_h = 352;
\r
1494 req.dst.vir_w = 1280;
\r
1495 req.dst.vir_h = 800;
\r
1496 req.dst.x_offset = 600;
\r
1497 req.dst.y_offset = 0;
\r
1501 req.dst.yrgb_addr = ((uint32_t)virt_to_phys(dst));
\r
1503 //req.dst.format = RK_FORMAT_RGB_565;
\r
1505 req.clip.xmin = 0;
\r
1506 req.clip.xmax = 1279;
\r
1507 req.clip.ymin = 0;
\r
1508 req.clip.ymax = 799;
\r
1510 //req.render_mode = color_fill_mode;
\r
1511 //req.fg_color = 0x80ffffff;
\r
1513 req.rotate_mode = 1;
\r
1514 //req.scale_mode = 2;
\r
1516 //req.alpha_rop_flag = 0;
\r
1517 //req.alpha_rop_mode = 0x19;
\r
1518 //req.PD_mode = 3;
\r
1523 //req.mmu_info.mmu_flag = 0x21;
\r
1524 //req.mmu_info.mmu_en = 1;
\r
1526 //printk("src = %.8x\n", req.src.yrgb_addr);
\r
1527 //printk("src = %.8x\n", req.src.uv_addr);
\r
1528 //printk("dst = %.8x\n", req.dst.yrgb_addr);
\r
1531 rga_blit_sync(&session, &req);
\r
1534 fb->var.bits_per_pixel = 32;
\r
1536 fb->var.xres = 1280;
\r
1537 fb->var.yres = 800;
\r
1539 fb->var.red.length = 8;
\r
1540 fb->var.red.offset = 0;
\r
1541 fb->var.red.msb_right = 0;
\r
1543 fb->var.green.length = 8;
\r
1544 fb->var.green.offset = 8;
\r
1545 fb->var.green.msb_right = 0;
\r
1547 fb->var.blue.length = 8;
\r
1549 fb->var.blue.offset = 16;
\r
1550 fb->var.blue.msb_right = 0;
\r
1552 fb->var.transp.length = 8;
\r
1553 fb->var.transp.offset = 24;
\r
1554 fb->var.transp.msb_right = 0;
\r
1556 fb->var.nonstd &= (~0xff);
\r
1557 fb->var.nonstd |= 1;
\r
1559 fb->fix.smem_start = virt_to_phys(dst);
\r
1561 rk_direct_fb_show(fb);
\r
1567 module_init(rga_init);
\r
1568 module_exit(rga_exit);
\r
1570 /* Module information */
\r
1571 MODULE_AUTHOR("zsq@rock-chips.com");
\r
1572 MODULE_DESCRIPTION("Driver for rga device");
\r
1573 MODULE_LICENSE("GPL");
\r