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danube_led cleanup
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9758 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -23,212 +23,68 @@
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#include <linux/version.h>
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#include <linux/types.h>
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#include <linux/fs.h>
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#include <linux/miscdevice.h>
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#include <linux/init.h>
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#include <asm/uaccess.h>
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#include <asm/unistd.h>
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#include <linux/errno.h>
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#include <asm/danube/danube.h>
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#include <asm/danube/danube_gpio.h>
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#define LED_CONFIG 0x01
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#define CONFIG_OPERATION_UPDATE_SOURCE 0x0001
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#define CONFIG_OPERATION_BLINK 0x0002
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#define CONFIG_OPERATION_UPDATE_CLOCK 0x0004
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#define CONFIG_OPERATION_STORE_MODE 0x0008
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#define CONFIG_OPERATION_SHIFT_CLOCK 0x0010
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#define CONFIG_OPERATION_DATA_OFFSET 0x0020
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#define CONFIG_OPERATION_NUMBER_OF_LED 0x0040
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#define CONFIG_OPERATION_DATA 0x0080
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#define CONFIG_OPERATION_MIPS0_ACCESS 0x0100
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#define CONFIG_DATA_CLOCK_EDGE 0x0200
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#include <asm/delay.h>
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#define DANUBE_LED_CLK_EDGE DANUBE_LED_FALLING
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//#define DANUBE_LED_CLK_EDGE DANUBE_LED_RISING
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//#define DANUBE_LED_CLK_EDGE DANUBE_LED_RISING
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#define LED_SH_PORT 0
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#define LED_SH_PIN 4
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#define LED_SH_DIR 1
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#define LED_SH_ALTSEL0 1
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#define LED_SH_ALTSEL1 0
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#define LED_SH_OPENDRAIN 1
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#define LED_D_PORT 0
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#define LED_D_PIN 5
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#define LED_D_DIR 1
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#define LED_D_ALTSEL0 1
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#define LED_D_ALTSEL1 0
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#define LED_D_OPENDRAIN 1
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#define LED_ST_PORT 0
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#define LED_ST_PIN 6
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#define LED_ST_DIR 1
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#define LED_ST_ALTSEL0 1
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#define LED_ST_ALTSEL1 0
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#define LED_ST_OPENDRAIN 1
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#define DANUBE_LED_SPEED DANUBE_LED_8HZ
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#define LED_ADSL0_PORT 0
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#define LED_ADSL0_PIN 4
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#define LED_ADSL0_DIR 1
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#define LED_ADSL0_ALTSEL0 0
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#define LED_ADSL0_ALTSEL1 1
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#define LED_ADSL0_OPENDRAIN 1
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#define LED_ADSL1_PORT 0
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#define LED_ADSL1_PIN 5
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#define LED_ADSL1_DIR 1
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#define LED_ADSL1_ALTSEL0 1
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#define LED_ADSL1_ALTSEL1 1
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#define LED_ADSL1_OPENDRAIN 1
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#if (LED_SH_PORT == LED_ADSL0_PORT && LED_SH_PIN == LED_ADSL0_PIN) \
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|| (LED_D_PORT == LED_ADSL0_PORT && LED_D_PIN == LED_ADSL0_PIN) \
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|| (LED_ST_PORT == LED_ADSL0_PORT && LED_ST_PIN == LED_ADSL0_PIN) \
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|| (LED_SH_PORT == LED_ADSL1_PORT && LED_SH_PIN == LED_ADSL1_PIN) \
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|| (LED_D_PORT == LED_ADSL1_PORT && LED_D_PIN == LED_ADSL1_PIN) \
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|| (LED_ST_PORT == LED_ADSL1_PORT && LED_ST_PIN == LED_ADSL1_PIN)
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#define ADSL_LED_IS_EXCLUSIVE 1
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#else
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#define ADSL_LED_IS_EXCLUSIVE 0
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#endif
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#if LED_SH_DIR
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#define LED_SH_DIR_SETUP danube_port_set_dir_out
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#else
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#define LED_SH_DIR_SETUP danube_port_clear_dir_out
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#endif
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#if LED_SH_ALTSEL0
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#define LED_SH_ALTSEL0_SETUP danube_port_set_altsel0
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#else
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#define LED_SH_ALTSEL0_SETUP danube_port_clear_altsel0
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#endif
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#if LED_SH_ALTSEL1
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#define LED_SH_ALTSEL1_SETUP danube_port_set_altsel1
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#else
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#define LED_SH_ALTSEL1_SETUP danube_port_clear_altsel1
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#endif
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#if LED_SH_OPENDRAIN
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#define LED_SH_OPENDRAIN_SETUP danube_port_set_open_drain
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#else
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#define LED_SH_OPENDRAIN_SETUP danube_port_clear_open_drain
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#endif
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#if LED_D_DIR
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#define LED_D_DIR_SETUP danube_port_set_dir_out
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#else
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#define LED_D_DIR_SETUP danube_port_clear_dir_out
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#endif
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#if LED_D_ALTSEL0
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#define LED_D_ALTSEL0_SETUP danube_port_set_altsel0
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#else
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#define LED_D_ALTSEL0_SETUP danube_port_clear_altsel0
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#endif
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#if LED_D_ALTSEL1
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#define LED_D_ALTSEL1_SETUP danube_port_set_altsel1
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#else
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#define LED_D_ALTSEL1_SETUP danube_port_clear_altsel1
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#endif
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#if LED_D_OPENDRAIN
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#define LED_D_OPENDRAIN_SETUP danube_port_set_open_drain
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#else
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#define LED_D_OPENDRAIN_SETUP danube_port_clear_open_drain
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#endif
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#if LED_ST_DIR
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#define LED_ST_DIR_SETUP danube_port_set_dir_out
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#else
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#define LED_ST_DIR_SETUP danube_port_clear_dir_out
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#endif
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#if LED_ST_ALTSEL0
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#define LED_ST_ALTSEL0_SETUP danube_port_set_altsel0
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#else
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#define LED_ST_ALTSEL0_SETUP danube_port_clear_altsel0
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#endif
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#if LED_ST_ALTSEL1
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#define LED_ST_ALTSEL1_SETUP danube_port_set_altsel1
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#else
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#define LED_ST_ALTSEL1_SETUP danube_port_clear_altsel1
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#endif
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#if LED_ST_OPENDRAIN
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#define LED_ST_OPENDRAIN_SETUP danube_port_set_open_drain
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#else
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#define LED_ST_OPENDRAIN_SETUP danube_port_clear_open_drain
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#endif
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#if LED_ADSL0_DIR
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#define LED_ADSL0_DIR_SETUP danube_port_set_dir_out
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#else
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#define LED_ADSL0_DIR_SETUP danube_port_clear_dir_out
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#endif
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#if LED_ADSL0_ALTSEL0
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#define LED_ADSL0_ALTSEL0_SETUP danube_port_set_altsel0
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#else
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#define LED_ADSL0_ALTSEL0_SETUP danube_port_clear_altsel0
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#endif
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#if LED_ADSL0_ALTSEL1
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#define LED_ADSL0_ALTSEL1_SETUP danube_port_set_altsel1
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#else
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#define LED_ADSL0_ALTSEL1_SETUP danube_port_clear_altsel1
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#endif
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#if LED_ADSL0_OPENDRAIN
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#define LED_ADSL0_OPENDRAIN_SETUP danube_port_set_open_drain
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#else
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#define LED_ADSL0_OPENDRAIN_SETUP danube_port_clear_open_drain
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#endif
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#if LED_ADSL1_DIR
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#define LED_ADSL1_DIR_SETUP danube_port_set_dir_out
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#else
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#define LED_ADSL1_DIR_SETUP danube_port_clear_dir_out
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#endif
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#if LED_ADSL1_ALTSEL0
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#define LED_ADSL1_ALTSEL0_SETUP danube_port_set_altsel0
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#else
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#define LED_ADSL1_ALTSEL0_SETUP danube_port_clear_altsel0
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#endif
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#if LED_ADSL1_ALTSEL1
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#define LED_ADSL1_ALTSEL1_SETUP danube_port_set_altsel1
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#else
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#define LED_ADSL1_ALTSEL1_SETUP danube_port_clear_altsel1
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#endif
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#if LED_ADSL1_OPENDRAIN
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#define LED_ADSL1_OPENDRAIN_SETUP danube_port_set_open_drain
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#else
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#define LED_ADSL1_OPENDRAIN_SETUP danube_port_clear_open_drain
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#endif
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#define SET_BITS(x, msb, lsb, value) (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))
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#define DANUBE_LED_GPIO_PORT 0
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static int danube_led_major;
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static int
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void
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danube_led_set (unsigned int led)
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{
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led &= 0xffffff;
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writel(readl(DANUBE_LED_CPU0) | led, DANUBE_LED_CPU0);
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}
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EXPORT_SYMBOL(danube_led_set);
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void
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danube_led_clear (unsigned int led)
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{
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led = ~(led & 0xffffff);
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writel(readl(DANUBE_LED_CPU0) & led, DANUBE_LED_CPU0);
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}
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EXPORT_SYMBOL(danube_led_clear);
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void
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danube_led_blink_set (unsigned int led)
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{
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led &= 0xffffff;
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writel(readl(DANUBE_LED_CON0) | led, DANUBE_LED_CON0);
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}
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EXPORT_SYMBOL(danube_led_blink_set);
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void
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danube_led_blink_clear (unsigned int led)
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{
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led = ~(led & 0xffffff);
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writel(readl(DANUBE_LED_CON0) & led, DANUBE_LED_CON0);
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}
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EXPORT_SYMBOL(danube_led_blink_clear);
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void
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danube_led_setup_gpio (void)
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{
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/*
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* Set LED_ST
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* I don't check the return value, because I'm sure the value is valid
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* and the pins are reserved already.
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*/
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LED_ST_ALTSEL0_SETUP(LED_ST_PORT, LED_ST_PIN);
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LED_ST_ALTSEL1_SETUP(LED_ST_PORT, LED_ST_PIN);
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LED_ST_DIR_SETUP(LED_ST_PORT, LED_ST_PIN);
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LED_ST_OPENDRAIN_SETUP(LED_ST_PORT, LED_ST_PIN);
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int i = 0;
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/*
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* Set LED_D
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*/
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LED_D_ALTSEL0_SETUP(LED_D_PORT, LED_D_PIN);
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LED_D_ALTSEL1_SETUP(LED_D_PORT, LED_D_PIN);
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LED_D_DIR_SETUP(LED_D_PORT, LED_D_PIN);
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LED_D_OPENDRAIN_SETUP(LED_D_PORT, LED_D_PIN);
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/*
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* Set LED_SH
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*/
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LED_SH_ALTSEL0_SETUP(LED_SH_PORT, LED_SH_PIN);
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LED_SH_ALTSEL1_SETUP(LED_SH_PORT, LED_SH_PIN);
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LED_SH_DIR_SETUP(LED_SH_PORT, LED_SH_PIN);
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LED_SH_OPENDRAIN_SETUP(LED_SH_PORT, LED_SH_PIN);
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return 0;
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/* we need to setup pins SH,D,ST (4,5,6) */
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for (i = 4; i < 7; i++)
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{
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danube_port_set_altsel0(DANUBE_LED_GPIO_PORT, i);
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danube_port_clear_altsel1(DANUBE_LED_GPIO_PORT, i);
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danube_port_set_dir_out(DANUBE_LED_GPIO_PORT, i);
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danube_port_set_open_drain(DANUBE_LED_GPIO_PORT, i);
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}
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}
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static void
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@ -256,8 +112,6 @@ led_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned lo
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switch ( cmd )
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{
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case LED_CONFIG:
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break;
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}
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return ret;
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@ -309,9 +163,10 @@ danube_led_init (void)
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danube_led_setup_gpio();
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writel(0, DANUBE_LED_AR);
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writel(0xff00, DANUBE_LED_CPU0);
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writel(0, DANUBE_LED_CPU0);
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writel(0, DANUBE_LED_CPU1);
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writel(0x8000ffff, DANUBE_LED_CON0);
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writel(LED_CON0_SWU, DANUBE_LED_CON0);
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writel(0, DANUBE_LED_CON1);
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/* setup the clock edge that the shift register is triggered on */
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writel(readl(DANUBE_LED_CON0) & ~DANUBE_LED_EDGE_MASK, DANUBE_LED_CON0);
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@ -326,7 +181,7 @@ danube_led_init (void)
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/* set led update speed */
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writel(readl(DANUBE_LED_CON1) & ~DANUBE_LED_MASK, DANUBE_LED_CON1);
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writel(readl(DANUBE_LED_CON1) | DANUBE_LED_8HZ, DANUBE_LED_CON1);
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writel(readl(DANUBE_LED_CON1) | DANUBE_LED_SPEED, DANUBE_LED_CON1);
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/* adsl 0 and 1 leds are updated by the arc */
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writel(readl(DANUBE_LED_CON0) | DANUBE_LED_ADSL_SRC, DANUBE_LED_CON0);
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