From: kfx <kfx@rock-chips.com>
Date: Mon, 18 Apr 2011 03:34:53 +0000 (+0800)
Subject: update sdmmc driver and board-rk29-sdk/phonesdk.c
X-Git-Tag: firefly_0821_release~10473
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c49299a834233f519c7d60f0fdeb4f998ea67cd5;p=firefly-linux-kernel-4.4.55.git

update sdmmc driver and board-rk29-sdk/phonesdk.c
---

diff --git a/arch/arm/mach-rk29/board-rk29-phonesdk.c b/arch/arm/mach-rk29/board-rk29-phonesdk.c
index 2b2dff5eb741..faa76d81b94e 100755
--- a/arch/arm/mach-rk29/board-rk29-phonesdk.c
+++ b/arch/arm/mach-rk29/board-rk29-phonesdk.c
@@ -2200,7 +2200,7 @@ static int rk29_sdmmc0_cfg_gpio(void)
 	rk29_mux_api_set(GPIO1D3_SDMMC0DATA1_NAME, GPIO1H_SDMMC0_DATA1);
 	rk29_mux_api_set(GPIO1D4_SDMMC0DATA2_NAME, GPIO1H_SDMMC0_DATA2);
 	rk29_mux_api_set(GPIO1D5_SDMMC0DATA3_NAME, GPIO1H_SDMMC0_DATA3);
-	rk29_mux_api_set(GPIO2A2_SDMMC0DETECTN_NAME, GPIO2L_SDMMC0_DETECT_N);
+	rk29_mux_api_set(GPIO2A2_SDMMC0DETECTN_NAME, GPIO2L_GPIO2A2);
 	rk29_mux_api_set(GPIO5D5_SDMMC0PWREN_NAME, GPIO5H_GPIO5D5);   ///GPIO5H_SDMMC0_PWR_EN);  ///GPIO5H_GPIO5D5);
 	gpio_request(RK29_PIN5_PD5,"sdmmc");
 	gpio_set_value(RK29_PIN5_PD5,GPIO_HIGH);
@@ -2222,6 +2222,8 @@ struct rk29_sdmmc_platform_data default_sdmmc0_data = {
 #else
 	.use_dma = 0,
 #endif
+	.detect_irq = RK29_PIN2_PA2, // INVALID_GPIO
+	.enable_sd_wakeup = 0,
 };
 #endif
 #ifdef CONFIG_SDMMC1_RK29
diff --git a/arch/arm/mach-rk29/board-rk29sdk.c b/arch/arm/mach-rk29/board-rk29sdk.c
index d729afb6b0b5..c70363ffc421 100755
--- a/arch/arm/mach-rk29/board-rk29sdk.c
+++ b/arch/arm/mach-rk29/board-rk29sdk.c
@@ -1184,7 +1184,7 @@ static int rk29_sdmmc0_cfg_gpio(void)
 	rk29_mux_api_set(GPIO1D3_SDMMC0DATA1_NAME, GPIO1H_SDMMC0_DATA1);
 	rk29_mux_api_set(GPIO1D4_SDMMC0DATA2_NAME, GPIO1H_SDMMC0_DATA2);
 	rk29_mux_api_set(GPIO1D5_SDMMC0DATA3_NAME, GPIO1H_SDMMC0_DATA3);
-	rk29_mux_api_set(GPIO2A2_SDMMC0DETECTN_NAME, GPIO2L_SDMMC0_DETECT_N);
+	rk29_mux_api_set(GPIO2A2_SDMMC0DETECTN_NAME, GPIO2L_GPIO2A2);
 	rk29_mux_api_set(GPIO5D5_SDMMC0PWREN_NAME, GPIO5H_GPIO5D5);   ///GPIO5H_SDMMC0_PWR_EN);  ///GPIO5H_GPIO5D5);
 	gpio_request(RK29_PIN5_PD5,"sdmmc");
 #if 0
diff --git a/drivers/mmc/host/rk29_sdmmc.c b/drivers/mmc/host/rk29_sdmmc.c
index 4f76a5377bd1..fc6be2aa8bf9 100755
--- a/drivers/mmc/host/rk29_sdmmc.c
+++ b/drivers/mmc/host/rk29_sdmmc.c
@@ -592,7 +592,7 @@ static u32 rk29_sdmmc_prepare_command(struct mmc_host *mmc,
 	cmd->error = -EINPROGRESS;
 	cmdr = cmd->opcode;
 
-	if(cmdr == 12 || cmdr == 0) 
+	if(cmdr == 12) 
 		cmdr |= SDMMC_CMD_STOP;
 	else if(cmdr == 13) 
 		cmdr &= ~SDMMC_CMD_PRV_DAT_WAIT;
@@ -680,6 +680,10 @@ static int rk29_sdmmc_start_request(struct rk29_sdmmc *host,struct mmc_request *
 		host->is_init = 0;
 	    cmdflags |= SDMMC_CMD_INIT; 
 	}
+	if(cmd->opcode == 0 &&
+		((rk29_sdmmc_read(host, SDMMC_STATUS) & SDMMC_STAUTS_MC_BUSY)||
+		(rk29_sdmmc_read(host, SDMMC_STATUS) & SDMMC_STAUTS_DATA_BUSY)))
+		cmdflags |= SDMMC_CMD_STOP;
 	if (mrq->data) {
 		rk29_sdmmc_set_mrq_status(host, MRQ_HAS_DATA);
 		ret = rk29_sdmmc_submit_data(host, mrq->data);
@@ -1281,12 +1285,11 @@ static int rk29_sdmmc_probe(struct platform_device *pdev)
 		INIT_WORK(&host->work, rk29_sdmmc_detect_change_work);
 		ret = gpio_request(host->gpio_det, "sd_detect");
 		if(ret < 0) {
-			dev_err(&pdev->dev, "mmc_alloc_host error\n");
+			dev_err(&pdev->dev, "gpio_request error\n");
 			goto err_mmc_remove_host;
 		}
 		gpio_direction_input(host->gpio_det);
 		host->gpio_irq = gpio_to_irq(host->gpio_det);
-		enable_irq_wake(host->gpio_irq);
 
 		ret = request_irq(host->gpio_irq,
                 		  rk29_sdmmc_detect_change_isr,
@@ -1360,8 +1363,11 @@ static int rk29_sdmmc_suspend(struct platform_device *pdev, pm_message_t state)
 	struct rk29_sdmmc *host = platform_get_drvdata(pdev);
 
 	dev_info(host->dev, "Enter rk29_sdmmc_suspend\n");
-	if(host->mmc && !host->is_sdio)
+	if(host->mmc && !host->is_sdio){
 		ret = mmc_suspend_host(host->mmc, state);
+		if(host->enable_sd_warkup)
+			free_irq(host->gpio_irq, host);
+	}
 	rk29_sdmmc_write(host->regs, SDMMC_CLKENA, 0);
 	clk_disable(host->clk);
 #endif
@@ -1377,8 +1383,17 @@ static int rk29_sdmmc_resume(struct platform_device *pdev)
 	dev_info(host->dev, "Exit rk29_sdmmc_suspend\n");
 	clk_enable(host->clk);
     rk29_sdmmc_write(host->regs, SDMMC_CLKENA, 1);
-	if(host->mmc && !host->is_sdio)
+	if(host->mmc && !host->is_sdio){
+		if(host->enable_sd_warkup)
+			ret = request_irq(host->gpio_irq,
+                		  rk29_sdmmc_detect_change_isr,
+                		  rk29_sdmmc_get_cd(host->mmc)?IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING,
+                		  "sd_detect",
+                		  host);
+		if(ret < 0)
+		dev_err(host->dev, "gpio request_irq error\n");
 		ret = mmc_resume_host(host->mmc);
+	}
 #endif
 	return ret;
 }