diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/include/grpwm.h')
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/include/grpwm.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/include/grpwm.h b/c/src/lib/libbsp/sparc/shared/include/grpwm.h deleted file mode 100644 index 6898f8ac2e..0000000000 --- a/c/src/lib/libbsp/sparc/shared/include/grpwm.h +++ /dev/null @@ -1,127 +0,0 @@ -/* - * GRPWM PWM Driver interface. - * - * COPYRIGHT (c) 2009. - * Cobham Gaisler AB. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#ifndef __GRPWM_H__ -#define __GRPWM_H__ - -#ifdef __cplusplus -extern "C" { -#endif - -extern void grpwm_register_drv (void); - -#define GRPWM_IOCTL_GET_CAP 1 /* Get Capabilities */ -#define GRPWM_IOCTL_SET_CONFIG 2 /* Configure one PWM Channel */ -#define GRPWM_IOCTL_SET_SCALER 3 /* Set one scaler */ -#define GRPWM_IOCTL_UPDATE 4 /* Set current period and compare value */ -#define GRPWM_IOCTL_IRQ 5 /* Set up IRQ handling */ - -/*** Argument for GRPWM_IOCTL_GET_CAP ***/ - -/* The Capability of the PWM core */ -struct grpwm_ioctl_cap { - int channel_cnt; /* Number of channels */ - unsigned int pwm; /* Capability1 register */ - unsigned int wave; /* Capability2 register, Wave form capabilities of last PWM channel, otherwise 0 */ -}; - -/*** Argument for GRPWM_IOCTL_GET_CONFIG and GRPWM_IOCTL_SET_CONFIG ***/ - -/* Config One PWM */ -struct grpwm_ioctl_config { - unsigned int channel; /* Select channel to configure */ - - /* Specific for one PWM channel */ - unsigned int options; /* PWM options */ - unsigned char dbscaler; /* value greater than 15 disable Dead band */ - unsigned char scaler_index; /* Select scaler used by PWM channel */ - - /* IRQ Setup */ - unsigned char irqscaler; /* IRQ scaler */ - void *isr_arg; /* Argument of IRQ handler */ - void (*isr)(int channel, void *arg); /* Interrupt service routine for this PWM Channel */ - - /* Waveform set up */ - int wave_activate; /* Enables Waveform functionality */ - unsigned int wave_synccfg; /* Bits [29,30,31] is written into Wave-Config register */ - unsigned int wave_sync; /* Sets sync compare register */ - unsigned int *wave_data; /* If not NULL, the Wave RAM is filled with data */ - unsigned int wave_data_length; /* Length of Wave RAM Data, Also used for wstopaddr */ -}; - -#define GRPWM_CONFIG_OPTION_FLIP 0x04000000 /* Set this to Flip PWM output pair */ -#define GRPWM_CONFIG_OPTION_DEAD_BAND 0x00200000 /* Dead Band enable */ -#define GRPWM_CONFIG_OPTION_SYMMETRIC 0x00000040 /* If not defined, asymmetric */ -#define GRPWM_CONFIG_OPTION_ASYMMERTIC 0 -#define GRPWM_CONFIG_OPTION_DUAL 0x00000020 /* Dual Compare Enable */ -#define GRPWM_CONFIG_OPTION_PAIR 0x00000004 /* PWM Pair Enable */ -#define GRPWM_CONFIG_OPTION_SINGLE 0x00000000 /* PWM Pair Disable */ -#define GRPWM_CONFIG_OPTION_POLARITY_HIGH 0x00000002 /* PWM Polarity HIGH */ -#define GRPWM_CONFIG_OPTION_POLARITY_LOW 0x00000000 /* PWM Polarity LOW */ - -#define GRPWM_CONFIG_OPTION_MASK ( \ - GRPWM_CONFIG_OPTION_DEAD_BAND | GRPWM_CONFIG_OPTION_SYMMETRIC | \ - GRPWM_CONFIG_OPTION_DUAL | GRPWM_CONFIG_OPTION_PAIR | \ - GRPWM_CONFIG_OPTION_POLARITY_HIGH \ - ) - -/*** Argument for GPPWM_IOCTL_SET_SCALER ***/ - -struct grpwm_ioctl_scaler { - unsigned int index_mask;/* Scaler update index mask, bit 0 = Scaler 0, bit 1 = Scaler 1 */ - unsigned int values[8]; /* Scaler update values, values[N] is stored into scaler N, if mask & 1<<N is set */ -}; - -/*** Argument for GRPWM_IOCTL_UPDATE ***/ - -#define GRPWM_UPDATE_OPTION_ENABLE 0x01 /* Enable the PWM core */ -#define GRPWM_UPDATE_OPTION_DISABLE 0x02 /* Disable the PWM core */ -#define GRPWM_UPDATE_OPTION_PERIOD 0x04 /* Update period register */ -#define GRPWM_UPDATE_OPTION_COMP 0x08 /* Update Compare register */ -#define GRPWM_UPDATE_OPTION_DBCOMP 0x10 /* Update Dead band register */ -#define GRPWM_UPDATE_OPTION_FIX 0x20 /* Update fix output pins (bypass PWM) */ - -/* FIX PIN bit-mask */ -#define GRPWM_UPDATE_FIX_ENABLE 1 /* Enable force ouput */ -#define GRPWM_UPDATE_FIX_DISABLE 0 /* Disable force ouput */ -#define GRPWM_UPDATE_FIX_0_LOW 0 /* PIN 0 OUPUT: LOW */ -#define GRPWM_UPDATE_FIX_0_HIGH 2 /* PIN 0 OUPUT: HIGH */ -#define GRPWM_UPDATE_FIX_1_LOW 0 /* PIN 1 OUPUT: LOW */ -#define GRPWM_UPDATE_FIX_1_HIGH 4 /* PIN 1 OUPUT: HIGH */ - -struct grpwm_ioctl_update_chan { - unsigned int options; /* Select what is updated */ - unsigned int period; /* Period register content */ - unsigned int compare; /* Compare register content */ - unsigned int dbcomp; /* Dead band register content */ - unsigned char fix; /* Bit-mask that select output on one or two PWM - * output pins. Depends on PAIR config value. - */ -}; -struct grpwm_ioctl_update { - unsigned char chanmask; /* Bit Mask select channels */ - struct grpwm_ioctl_update_chan channels[8]; /* */ -}; - -/*** Argument for GPPWM_IOCTL_IRQ ***/ - -#define GRPWM_IRQ_DISABLE 0 /* Disable IRQ */ -#define GRPWM_IRQ_PERIOD 1 /* Enable IRQ on period match */ -#define GRPWM_IRQ_COMPARE 3 /* Enable IRQ on Compare Match */ -#define GRPWM_IRQ_CLEAR 0x10 /* Clear any pending IRQ on GRPWM and IRQ controller */ - -#define GRPWM_IRQ_CHAN 0x100 /* Channel N is selected, by adding 0x100*N */ - -#ifdef __cplusplus -} -#endif - -#endif |