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add the sdmmc module configure
This commit is contained in:
xbw
404
arch/arm/mach-rk30/board-rk30-sdk-sdmmc.c
Normal file
404
arch/arm/mach-rk30/board-rk30-sdk-sdmmc.c
Normal file
@@ -0,0 +1,404 @@
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/* arch/arm/mach-rk30/board-rk30-sdk-sdmmc.c
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*
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* Copyright (C) 2012 ROCKCHIP, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifdef CONFIG_SDMMC_RK29
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#if !defined(CONFIG_SDMMC_RK29_OLD)
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static void rk29_sdmmc_gpio_open(int device_id, int on)
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{
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switch(device_id)
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{
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case 0://mmc0
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{
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#ifdef CONFIG_SDMMC0_RK29
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if(on)
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{
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gpio_direction_output(GPIO3B_GPIO3B0,GPIO_HIGH);//set mmc0-clk to high
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gpio_direction_output(GPIO3B_GPIO3B1,GPIO_HIGH);// set mmc0-cmd to high.
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gpio_direction_output(GPIO3B_GPIO3B2,GPIO_HIGH);//set mmc0-data0 to high.
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gpio_direction_output(GPIO3B_GPIO3B3,GPIO_HIGH);//set mmc0-data1 to high.
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gpio_direction_output(GPIO3B_GPIO3B4,GPIO_HIGH);//set mmc0-data2 to high.
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gpio_direction_output(GPIO3B_GPIO3B5,GPIO_HIGH);//set mmc0-data3 to high.
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mdelay(30);
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}
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else
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{
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rk30_mux_api_set(GPIO3B0_SDMMC0CLKOUT_NAME, GPIO3B_GPIO3B0);
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gpio_request(RK30_PIN3_PB0, "mmc0-clk");
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gpio_direction_output(RK30_PIN3_PB0,GPIO_LOW);//set mmc0-clk to low.
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rk30_mux_api_set(GPIO3B1_SDMMC0CMD_NAME, GPIO3B_GPIO3B1);
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gpio_request(RK30_PIN3_PB1, "mmc0-cmd");
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gpio_direction_output(RK30_PIN3_PB1,GPIO_LOW);//set mmc0-cmd to low.
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rk30_mux_api_set(GPIO3B2_SDMMC0DATA0_NAME, GPIO3B_GPIO3B2);
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gpio_request(RK30_PIN3_PB2, "mmc0-data0");
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gpio_direction_output(RK30_PIN3_PB2,GPIO_LOW);//set mmc0-data0 to low.
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rk30_mux_api_set(GPIO3B3_SDMMC0DATA1_NAME, GPIO3B_GPIO3B3);
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gpio_request(RK30_PIN3_PB3, "mmc0-data1");
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gpio_direction_output(RK30_PIN3_PB3,GPIO_LOW);//set mmc0-data1 to low.
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rk30_mux_api_set(GPIO3B4_SDMMC0DATA2_NAME, GPIO3B_GPIO3B4);
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gpio_request(RK30_PIN3_PB4, "mmc0-data2");
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gpio_direction_output(RK30_PIN3_PB4,GPIO_LOW);//set mmc0-data2 to low.
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rk30_mux_api_set(GPIO3B5_SDMMC0DATA3_NAME, GPIO3B_GPIO3B5);
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gpio_request(RK30_PIN3_PB5, "mmc0-data3");
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gpio_direction_output(RK30_PIN3_PB5,GPIO_LOW);//set mmc0-data3 to low.
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mdelay(30);
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}
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#endif
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}
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break;
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case 1://mmc1
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{
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#ifdef CONFIG_SDMMC1_RK29
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if(on)
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{
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gpio_direction_output(RK30_PIN3_PC5,GPIO_HIGH);//set mmc1-clk to high
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gpio_direction_output(RK30_PIN3_PC0,GPIO_HIGH);//set mmc1-cmd to high.
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gpio_direction_output(RK30_PIN3_PC1,GPIO_HIGH);//set mmc1-data0 to high.
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gpio_direction_output(RK30_PIN3_PC2,GPIO_HIGH);//set mmc1-data1 to high.
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gpio_direction_output(RK30_PIN3_PC3,GPIO_HIGH);//set mmc1-data2 to high.
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gpio_direction_output(RK30_PIN3_PC5,GPIO_HIGH);//set mmc1-data3 to high.
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mdelay(100);
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}
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else
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{
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rk30_mux_api_set(GPIO3C5_SDMMC1CLKOUT_NAME, GPIO3C_GPIO3C5);
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gpio_request(RK30_PIN3_PC5, "mmc1-clk");
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gpio_direction_output(RK30_PIN3_PC5,GPIO_LOW);//set mmc1-clk to low.
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rk30_mux_api_set(GPIO3C0_SMMC1CMD_NAME, GPIO3C_GPIO3C0);
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gpio_request(RK30_PIN3_PC0, "mmc1-cmd");
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gpio_direction_output(RK30_PIN3_PC0,GPIO_LOW);//set mmc1-cmd to low.
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rk30_mux_api_set(GPIO3C1_SDMMC1DATA0_NAME, GPIO3C_GPIO3C1);
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gpio_request(RK30_PIN3_PC1, "mmc1-data0");
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gpio_direction_output(RK30_PIN3_PC1,GPIO_LOW);//set mmc1-data0 to low.
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mdelay(100);
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}
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#endif
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}
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break;
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case 2: //mmc2
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break;
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default:
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break;
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}
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}
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static void rk29_sdmmc_set_iomux_mmc0(unsigned int bus_width)
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{
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switch (bus_width)
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{
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case 1://SDMMC_CTYPE_4BIT:
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{
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rk30_mux_api_set(GPIO3B3_SDMMC0DATA1_NAME, GPIO3B_SDMMC0_DATA1);
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rk30_mux_api_set(GPIO3B4_SDMMC0DATA2_NAME, GPIO3B_SDMMC0_DATA2);
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rk30_mux_api_set(GPIO3B5_SDMMC0DATA3_NAME, GPIO3B_SDMMC0_DATA3);
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}
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break;
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case 0x10000://SDMMC_CTYPE_8BIT:
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break;
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case 0xFFFF: //gpio_reset
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{
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rk30_mux_api_set(GPIO3A7_SDMMC0PWREN_NAME, GPIO3A_GPIO3A7);
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gpio_request(RK30_PIN3_PA7,"sdmmc-power");
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gpio_direction_output(RK30_PIN3_PA7,GPIO_HIGH); //power-off
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rk29_sdmmc_gpio_open(0, 0);
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gpio_direction_output(RK30_PIN3_PA7,GPIO_LOW); //power-on
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rk29_sdmmc_gpio_open(0, 1);
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}
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break;
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default: //case 0://SDMMC_CTYPE_1BIT:
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{
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rk30_mux_api_set(GPIO3B1_SDMMC0CMD_NAME, GPIO3B_SDMMC0_CMD);
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rk30_mux_api_set(GPIO3B0_SDMMC0CLKOUT_NAME, GPIO3B_SDMMC0_CLKOUT);
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rk30_mux_api_set(GPIO3B2_SDMMC0DATA0_NAME, GPIO3B_SDMMC0_DATA0);
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rk30_mux_api_set(GPIO3B3_SDMMC0DATA1_NAME, GPIO3B_GPIO3B3);
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gpio_request(RK30_PIN3_PB3, "mmc0-data1");
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gpio_direction_output(RK30_PIN3_PB3,GPIO_HIGH);//set mmc0-data1 to high.
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rk30_mux_api_set(GPIO3B4_SDMMC0DATA2_NAME, GPIO3B_GPIO3B4);
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gpio_request(RK30_PIN3_PB4, "mmc0-data2");
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gpio_direction_output(RK30_PIN3_PB4,GPIO_HIGH);//set mmc0-data2 to high.
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rk30_mux_api_set(GPIO3B5_SDMMC0DATA3_NAME, GPIO3B_GPIO3B5);
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gpio_request(RK30_PIN3_PB5, "mmc0-data3");
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gpio_direction_output(RK30_PIN3_PB5,GPIO_HIGH);//set mmc0-data3 to high.
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}
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break;
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}
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}
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static void rk29_sdmmc_set_iomux_mmc1(unsigned int bus_width)
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{
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rk30_mux_api_set(GPIO3C0_SMMC1CMD_NAME, GPIO3C_SMMC1_CMD);
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rk30_mux_api_set(GPIO3C5_SDMMC1CLKOUT_NAME, GPIO3C_SDMMC1_CLKOUT);
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rk30_mux_api_set(GPIO3C1_SDMMC1DATA0_NAME, GPIO3C_SDMMC1_DATA0);
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rk30_mux_api_set(GPIO3C2_SDMMC1DATA1_NAME, GPIO3C_SDMMC1_DATA1);
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rk30_mux_api_set(GPIO3C3_SDMMC1DATA2_NAME, GPIO3C_SDMMC1_DATA2);
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rk30_mux_api_set(GPIO3C4_SDMMC1DATA3_NAME, GPIO3C_SDMMC1_DATA3);
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}
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static void rk29_sdmmc_set_iomux_mmc2(unsigned int bus_width)
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{
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;//
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}
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static void rk29_sdmmc_set_iomux(int device_id, unsigned int bus_width)
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{
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switch(device_id)
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{
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case 0:
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#ifdef CONFIG_SDMMC0_RK29
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rk29_sdmmc_set_iomux_mmc0(bus_width);
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#endif
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break;
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case 1:
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#ifdef CONFIG_SDMMC1_RK29
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rk29_sdmmc_set_iomux_mmc1(bus_width);
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#endif
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break;
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case 2:
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rk29_sdmmc_set_iomux_mmc2(bus_width);
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break;
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default:
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break;
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}
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}
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#endif
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int rk29sdk_wifi_power_state = 0;
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int rk29sdk_bt_power_state = 0;
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#ifdef CONFIG_WIFI_CONTROL_FUNC
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#define RK29SDK_WIFI_BT_GPIO_POWER_N RK30_PIN3_PD0
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#define RK29SDK_WIFI_GPIO_RESET_N RK30_PIN3_PD2
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#define RK29SDK_BT_GPIO_RESET_N RK30_PIN3_PD1
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static int rk29sdk_wifi_cd = 0; /* wifi virtual 'card detect' status */
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static void (*wifi_status_cb)(int card_present, void *dev_id);
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static void *wifi_status_cb_devid;
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static int rk29sdk_wifi_status(struct device *dev)
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{
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return rk29sdk_wifi_cd;
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}
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static int rk29sdk_wifi_status_register(void (*callback)(int card_present, void *dev_id), void *dev_id)
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{
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if(wifi_status_cb)
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return -EAGAIN;
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wifi_status_cb = callback;
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wifi_status_cb_devid = dev_id;
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return 0;
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}
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static int rk29sdk_wifi_bt_gpio_control_init(void)
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{
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if (gpio_request(RK29SDK_WIFI_BT_GPIO_POWER_N, "wifi_bt_power")) {
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pr_info("%s: request wifi_bt power gpio failed\n", __func__);
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return -1;
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}
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if (gpio_request(RK29SDK_WIFI_GPIO_RESET_N, "wifi reset")) {
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pr_info("%s: request wifi reset gpio failed\n", __func__);
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gpio_free(RK29SDK_WIFI_BT_GPIO_POWER_N);
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return -1;
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}
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if (gpio_request(RK29SDK_BT_GPIO_RESET_N, "bt reset")) {
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pr_info("%s: request bt reset gpio failed\n", __func__);
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gpio_free(RK29SDK_WIFI_GPIO_RESET_N);
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return -1;
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}
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gpio_direction_output(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_LOW);
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gpio_direction_output(RK29SDK_WIFI_GPIO_RESET_N, GPIO_LOW);
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gpio_direction_output(RK29SDK_BT_GPIO_RESET_N, GPIO_LOW);
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#if defined(CONFIG_SDMMC1_RK29) && !defined(CONFIG_SDMMC_RK29_OLD)
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rk29_mux_api_set(GPIO3C2_SDMMC1DATA1_NAME, GPIO3C_GPIO3C2);
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gpio_request(RK30_PIN3_PC2, "mmc1-data1");
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gpio_direction_output(RK30_PIN3_PC2,GPIO_LOW);//set mmc1-data1 to low.
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rk29_mux_api_set(GPIO3C3_SDMMC1DATA2_NAME, GPIO3C_GPIO3C3);
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gpio_request(RK30_PIN3_PC3, "mmc1-data2");
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gpio_direction_output(RK30_PIN3_PC3,GPIO_LOW);//set mmc1-data2 to low.
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rk29_mux_api_set(GPIO3C4_SDMMC1DATA3_NAME, GPIO3C_GPIO3C4);
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gpio_request(RK30_PIN3_PC4, "mmc1-data3");
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gpio_direction_output(RK30_PIN3_PC4,GPIO_LOW);//set mmc1-data3 to low.
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rk29_sdmmc_gpio_open(1, 0); //added by xbw at 2011-10-13
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#endif
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pr_info("%s: init finished\n",__func__);
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return 0;
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}
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static int rk29sdk_wifi_power(int on)
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{
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pr_info("%s: %d\n", __func__, on);
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if (on){
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gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_HIGH);
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#if defined(CONFIG_SDMMC1_RK29) && !defined(CONFIG_SDMMC_RK29_OLD)
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rk29_sdmmc_gpio_open(1, 1); //added by xbw at 2011-10-13
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#endif
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gpio_set_value(RK29SDK_WIFI_GPIO_RESET_N, GPIO_HIGH);
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mdelay(100);
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pr_info("wifi turn on power\n");
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}else{
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if (!rk29sdk_bt_power_state){
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gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_LOW);
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#if defined(CONFIG_SDMMC1_RK29) && !defined(CONFIG_SDMMC_RK29_OLD)
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rk29_sdmmc_gpio_open(1, 0); //added by xbw at 2011-10-13
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#endif
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mdelay(100);
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pr_info("wifi shut off power\n");
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}else
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{
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pr_info("wifi shouldn't shut off power, bt is using it!\n");
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}
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gpio_set_value(RK29SDK_WIFI_GPIO_RESET_N, GPIO_LOW);
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}
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rk29sdk_wifi_power_state = on;
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return 0;
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}
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static int rk29sdk_wifi_reset_state;
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static int rk29sdk_wifi_reset(int on)
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{
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pr_info("%s: %d\n", __func__, on);
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gpio_set_value(RK29SDK_WIFI_GPIO_RESET_N, on);
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mdelay(100);
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rk29sdk_wifi_reset_state = on;
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return 0;
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}
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int rk29sdk_wifi_set_carddetect(int val)
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{
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pr_info("%s:%d\n", __func__, val);
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rk29sdk_wifi_cd = val;
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if (wifi_status_cb){
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wifi_status_cb(val, wifi_status_cb_devid);
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}else {
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pr_warning("%s, nobody to notify\n", __func__);
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}
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return 0;
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}
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EXPORT_SYMBOL(rk29sdk_wifi_set_carddetect);
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static struct wifi_mem_prealloc wifi_mem_array[PREALLOC_WLAN_SEC_NUM] = {
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{NULL, (WLAN_SECTION_SIZE_0 + PREALLOC_WLAN_SECTION_HEADER)},
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{NULL, (WLAN_SECTION_SIZE_1 + PREALLOC_WLAN_SECTION_HEADER)},
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{NULL, (WLAN_SECTION_SIZE_2 + PREALLOC_WLAN_SECTION_HEADER)},
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{NULL, (WLAN_SECTION_SIZE_3 + PREALLOC_WLAN_SECTION_HEADER)}
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};
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static void *rk29sdk_mem_prealloc(int section, unsigned long size)
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{
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if (section == PREALLOC_WLAN_SEC_NUM)
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return wlan_static_skb;
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if ((section < 0) || (section > PREALLOC_WLAN_SEC_NUM))
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return NULL;
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if (wifi_mem_array[section].size < size)
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return NULL;
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return wifi_mem_array[section].mem_ptr;
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}
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int __init rk29sdk_init_wifi_mem(void)
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{
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int i;
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int j;
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for (i = 0 ; i < WLAN_SKB_BUF_NUM ; i++) {
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wlan_static_skb[i] = dev_alloc_skb(
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((i < (WLAN_SKB_BUF_NUM / 2)) ? 4096 : 8192));
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if (!wlan_static_skb[i])
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goto err_skb_alloc;
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}
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for (i = 0 ; i < PREALLOC_WLAN_SEC_NUM ; i++) {
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wifi_mem_array[i].mem_ptr =
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kmalloc(wifi_mem_array[i].size, GFP_KERNEL);
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if (!wifi_mem_array[i].mem_ptr)
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goto err_mem_alloc;
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}
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return 0;
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err_mem_alloc:
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pr_err("Failed to mem_alloc for WLAN\n");
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for (j = 0 ; j < i ; j++)
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kfree(wifi_mem_array[j].mem_ptr);
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i = WLAN_SKB_BUF_NUM;
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err_skb_alloc:
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pr_err("Failed to skb_alloc for WLAN\n");
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for (j = 0 ; j < i ; j++)
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dev_kfree_skb(wlan_static_skb[j]);
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return -ENOMEM;
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}
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static struct wifi_platform_data rk29sdk_wifi_control = {
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.set_power = rk29sdk_wifi_power,
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.set_reset = rk29sdk_wifi_reset,
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.set_carddetect = rk29sdk_wifi_set_carddetect,
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.mem_prealloc = rk29sdk_mem_prealloc,
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};
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static struct platform_device rk29sdk_wifi_device = {
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.name = "bcm4329_wlan",
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.id = 1,
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.dev = {
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.platform_data = &rk29sdk_wifi_control,
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},
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||||
};
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#endif
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||||
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#endif // endif --#ifdef CONFIG_SDMMC_RK29
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Reference in New Issue
Block a user