/*
    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/

/**
 * @file    TIMv1/stm32_tim.h
 * @brief   STM32 TIM units common header.
 * @note    This file requires definitions from the ST STM32 header file.
 *
 * @addtogroup STM32_TIMv1
 * @{
 */

#ifndef STM32_TIM_H
#define STM32_TIM_H

/*===========================================================================*/
/* Driver constants.                                                         */
/*===========================================================================*/

/**
 * @name    TIM_CR1 register
 * @{
 */
#define STM32_TIM_CR1_CEN                   (1U << 0)
#define STM32_TIM_CR1_UDIS                  (1U << 1)
#define STM32_TIM_CR1_URS                   (1U << 2)
#define STM32_TIM_CR1_OPM                   (1U << 3)
#define STM32_TIM_CR1_DIR                   (1U << 4)

#define STM32_TIM_CR1_CMS_MASK              (3U << 5)
#define STM32_TIM_CR1_CMS(n)                ((n) << 5)

#define STM32_TIM_CR1_ARPE                  (1U << 7)

#define STM32_TIM_CR1_CKD_MASK              (3U << 8)
#define STM32_TIM_CR1_CKD(n)                ((n) << 8)

#define STM32_TIM_CR1_UIFREMAP              (1U << 11)
/** @} */

/**
 * @name    TIM_CR2 register
 * @{
 */
#define STM32_TIM_CR2_CCPC                  (1U << 0)
#define STM32_TIM_CR2_CCUS                  (1U << 2)
#define STM32_TIM_CR2_CCDS                  (1U << 3)

#define STM32_TIM_CR2_MMS_MASK              (7U << 4)
#define STM32_TIM_CR2_MMS(n)                ((n) << 4)

#define STM32_TIM_CR2_TI1S                  (1U << 7)
#define STM32_TIM_CR2_OIS1                  (1U << 8)
#define STM32_TIM_CR2_OIS1N                 (1U << 9)
#define STM32_TIM_CR2_OIS2                  (1U << 10)
#define STM32_TIM_CR2_OIS2N                 (1U << 11)
#define STM32_TIM_CR2_OIS3                  (1U << 12)
#define STM32_TIM_CR2_OIS3N                 (1U << 13)
#define STM32_TIM_CR2_OIS4                  (1U << 14)
#define STM32_TIM_CR2_OIS5                  (1U << 16)
#define STM32_TIM_CR2_OIS6                  (1U << 18)

#define STM32_TIM_CR2_MMS2_MASK             (15U << 20)
#define STM32_TIM_CR2_MMS2(n)               ((n) << 20)
/** @} */

/**
 * @name    TIM_SMCR register
 * @{
 */
#define STM32_TIM_SMCR_SMS_MASK             ((7U << 0) | (1U << 16))
#define STM32_TIM_SMCR_SMS(n)               ((((n) & 7) << 0) |             \
                                             (((n) >> 3) << 16))

#define STM32_TIM_SMCR_OCCS                 (1U << 3)

#define STM32_TIM_SMCR_TS_MASK              (7U << 4)
#define STM32_TIM_SMCR_TS(n)                ((n) << 4)

#define STM32_TIM_SMCR_MSM                  (1U << 7)

#define STM32_TIM_SMCR_ETF_MASK             (15U << 8)
#define STM32_TIM_SMCR_ETF(n)               ((n) << 8)

#define STM32_TIM_SMCR_ETPS_MASK            (3U << 12)
#define STM32_TIM_SMCR_ETPS(n)              ((n) << 12)

#define STM32_TIM_SMCR_ECE                  (1U << 14)
#define STM32_TIM_SMCR_ETP                  (1U << 15)
/** @} */

/**
 * @name    TIM_DIER register
 * @{
 */
#define STM32_TIM_DIER_UIE                  (1U << 0)
#define STM32_TIM_DIER_CC1IE                (1U << 1)
#define STM32_TIM_DIER_CC2IE                (1U << 2)
#define STM32_TIM_DIER_CC3IE                (1U << 3)
#define STM32_TIM_DIER_CC4IE                (1U << 4)
#define STM32_TIM_DIER_COMIE                (1U << 5)
#define STM32_TIM_DIER_TIE                  (1U << 6)
#define STM32_TIM_DIER_BIE                  (1U << 7)
#define STM32_TIM_DIER_UDE                  (1U << 8)
#define STM32_TIM_DIER_CC1DE                (1U << 9)
#define STM32_TIM_DIER_CC2DE                (1U << 10)
#define STM32_TIM_DIER_CC3DE                (1U << 11)
#define STM32_TIM_DIER_CC4DE                (1U << 12)
#define STM32_TIM_DIER_COMDE                (1U << 13)
#define STM32_TIM_DIER_TDE                  (1U << 14)

#define STM32_TIM_DIER_IRQ_MASK             (STM32_TIM_DIER_UIE   |         \
                                             STM32_TIM_DIER_CC1IE |         \
                                             STM32_TIM_DIER_CC2IE |         \
                                             STM32_TIM_DIER_CC3IE |         \
                                             STM32_TIM_DIER_CC4IE |         \
                                             STM32_TIM_DIER_COMIE |         \
                                             STM32_TIM_DIER_TIE   |         \
                                             STM32_TIM_DIER_BIE)

/** @} */

/**
 * @name    TIM_SR register
 * @{
 */
#define STM32_TIM_SR_UIF                    (1U << 0)
#define STM32_TIM_SR_CC1IF                  (1U << 1)
#define STM32_TIM_SR_CC2IF                  (1U << 2)
#define STM32_TIM_SR_CC3IF                  (1U << 3)
#define STM32_TIM_SR_CC4IF                  (1U << 4)
#define STM32_TIM_SR_COMIF                  (1U << 5)
#define STM32_TIM_SR_TIF                    (1U << 6)
#define STM32_TIM_SR_BIF                    (1U << 7)
#define STM32_TIM_SR_B2IF                   (1U << 8)
#define STM32_TIM_SR_CC1OF                  (1U << 9)
#define STM32_TIM_SR_CC2OF                  (1U << 10)
#define STM32_TIM_SR_CC3OF                  (1U << 11)
#define STM32_TIM_SR_CC4OF                  (1U << 12)
#define STM32_TIM_SR_CC5IF                  (1U << 16)
#define STM32_TIM_SR_CC6IF                  (1U << 17)
/** @} */

/**
 * @name    TIM_EGR register
 * @{
 */
#define STM32_TIM_EGR_UG                    (1U << 0)
#define STM32_TIM_EGR_CC1G                  (1U << 1)
#define STM32_TIM_EGR_CC2G                  (1U << 2)
#define STM32_TIM_EGR_CC3G                  (1U << 3)
#define STM32_TIM_EGR_CC4G                  (1U << 4)
#define STM32_TIM_EGR_COMG                  (1U << 5)
#define STM32_TIM_EGR_TG                    (1U << 6)
#define STM32_TIM_EGR_BG                    (1U << 7)
#define STM32_TIM_EGR_B2G                   (1U << 8)
/** @} */

/**
 * @name    TIM_CCMR1 register (output)
 * @{
 */
#define STM32_TIM_CCMR1_CC1S_MASK           (3U << 0)
#define STM32_TIM_CCMR1_CC1S(n)             ((n) << 0)

#define STM32_TIM_CCMR1_OC1FE               (1U << 2)
#define STM32_TIM_CCMR1_OC1PE               (1U << 3)

#define STM32_TIM_CCMR1_OC1M_MASK           ((7U << 4) | (1U << 16))
#define STM32_TIM_CCMR1_OC1M(n)             ((((n) & 7) << 4) |             \
                                             (((n) >> 3) << 16))

#define STM32_TIM_CCMR1_OC1CE               (1U << 7)

#define STM32_TIM_CCMR1_CC2S_MASK           (3U << 8)
#define STM32_TIM_CCMR1_CC2S(n)             ((n) << 8)

#define STM32_TIM_CCMR1_OC2FE               (1U << 10)
#define STM32_TIM_CCMR1_OC2PE               (1U << 11)

#define STM32_TIM_CCMR1_OC2M_MASK           ((7U << 12) | (1U << 24))
#define STM32_TIM_CCMR1_OC2M(n)             ((((n) & 7) << 12) |            \
                                             (((n) >> 3) << 24))

#define STM32_TIM_CCMR1_OC2CE               (1U << 15)
/** @} */

/**
 * @name    CCMR1 register (input)
 * @{
 */
#define STM32_TIM_CCMR1_IC1PSC_MASK         (3U << 2)
#define STM32_TIM_CCMR1_IC1PSC(n)           ((n) << 2)

#define STM32_TIM_CCMR1_IC1F_MASK           (15U << 4)
#define STM32_TIM_CCMR1_IC1F(n)             ((n) << 4)

#define STM32_TIM_CCMR1_IC2PSC_MASK         (3U << 10)
#define STM32_TIM_CCMR1_IC2PSC(n)           ((n) << 10)

#define STM32_TIM_CCMR1_IC2F_MASK           (15U << 12)
#define STM32_TIM_CCMR1_IC2F(n)             ((n) << 12)
/** @} */

/**
 * @name    TIM_CCMR2 register (output)
 * @{
 */
#define STM32_TIM_CCMR2_CC3S_MASK           (3U << 0)
#define STM32_TIM_CCMR2_CC3S(n)             ((n) << 0)

#define STM32_TIM_CCMR2_OC3FE               (1U << 2)
#define STM32_TIM_CCMR2_OC3PE               (1U << 3)

#define STM32_TIM_CCMR2_OC3M_MASK           ((7U << 4) | (1U << 16))
#define STM32_TIM_CCMR2_OC3M(n)             ((((n) & 7) << 4) |             \
                                             (((n) >> 3) << 16))

#define STM32_TIM_CCMR2_OC3CE               (1U << 7)

#define STM32_TIM_CCMR2_CC4S_MASK           (3U << 8)
#define STM32_TIM_CCMR2_CC4S(n)             ((n) << 8)

#define STM32_TIM_CCMR2_OC4FE               (1U << 10)
#define STM32_TIM_CCMR2_OC4PE               (1U << 11)

#define STM32_TIM_CCMR2_OC4M_MASK           ((7U << 12) | (1U << 24))
#define STM32_TIM_CCMR2_OC4M(n)             ((((n) & 7) << 12) |            \
                                             (((n) >> 3) << 24))

#define STM32_TIM_CCMR2_OC4CE               (1U << 15)
/** @} */

/**
 * @name    TIM_CCMR2 register (input)
 * @{
 */
#define STM32_TIM_CCMR2_IC3PSC_MASK         (3U << 2)
#define STM32_TIM_CCMR2_IC3PSC(n)           ((n) << 2)

#define STM32_TIM_CCMR2_IC3F_MASK           (15U << 4)
#define STM32_TIM_CCMR2_IC3F(n)             ((n) << 4)

#define STM32_TIM_CCMR2_IC4PSC_MASK         (3U << 10)
#define STM32_TIM_CCMR2_IC4PSC(n)           ((n) << 10)

#define STM32_TIM_CCMR2_IC4F_MASK           (15U << 12)
#define STM32_TIM_CCMR2_IC4F(n)             ((n) << 12)
/** @} */

/**
 * @name    TIM_CCER register
 * @{
 */
#define STM32_TIM_CCER_CC1E                 (1U << 0)
#define STM32_TIM_CCER_CC1P                 (1U << 1)
#define STM32_TIM_CCER_CC1NE                (1U << 2)
#define STM32_TIM_CCER_CC1NP                (1U << 3)
#define STM32_TIM_CCER_CC2E                 (1U << 4)
#define STM32_TIM_CCER_CC2P                 (1U << 5)
#define STM32_TIM_CCER_CC2NE                (1U << 6)
#define STM32_TIM_CCER_CC2NP                (1U << 7)
#define STM32_TIM_CCER_CC3E                 (1U << 8)
#define STM32_TIM_CCER_CC3P                 (1U << 9)
#define STM32_TIM_CCER_CC3NE                (1U << 10)
#define STM32_TIM_CCER_CC3NP                (1U << 11)
#define STM32_TIM_CCER_CC4E                 (1U << 12)
#define STM32_TIM_CCER_CC4P                 (1U << 13)
#define STM32_TIM_CCER_CC4NP                (1U << 15)
#define STM32_TIM_CCER_CC5E                 (1U << 16)
#define STM32_TIM_CCER_CC5P                 (1U << 17)
#define STM32_TIM_CCER_CC6E                 (1U << 20)
#define STM32_TIM_CCER_CC6P                 (1U << 21)
/** @} */

/**
 * @name    TIM_CNT register
 * @{
 */
#define STM32_TIM_CNT_UIFCPY                (1U << 31)
/** @} */

/**
 * @name    TIM_BDTR register
 * @{
 */
#define STM32_TIM_BDTR_DTG_MASK             (255U << 0)
#define STM32_TIM_BDTR_DTG(n)               ((n) << 0)

#define STM32_TIM_BDTR_LOCK_MASK            (3U << 8)
#define STM32_TIM_BDTR_LOCK(n)              ((n) << 8)

#define STM32_TIM_BDTR_OSSI                 (1U << 10)
#define STM32_TIM_BDTR_OSSR                 (1U << 11)
#define STM32_TIM_BDTR_BKE                  (1U << 12)
#define STM32_TIM_BDTR_BKP                  (1U << 13)
#define STM32_TIM_BDTR_AOE                  (1U << 14)
#define STM32_TIM_BDTR_MOE                  (1U << 15)

#define STM32_TIM_BDTR_BKF_MASK             (15U << 16)
#define STM32_TIM_BDTR_BKF(n)               ((n) << 16)
#define STM32_TIM_BDTR_BK2F_MASK            (15U << 20)
#define STM32_TIM_BDTR_BK2F(n)              ((n) << 20)

#define STM32_TIM_BDTR_BK2E                 (1U << 24)
#define STM32_TIM_BDTR_BK2P                 (1U << 25)
/** @} */

/**
 * @name    TIM_DCR register
 * @{
 */
#define STM32_TIM_DCR_DBA_MASK              (31U << 0)
#define STM32_TIM_DCR_DBA(n)                ((n) << 0)

#define STM32_TIM_DCR_DBL_MASK              (31U << 8)
#define STM32_TIM_DCR_DBL(b)                ((n) << 8)
/** @} */

/**
 * @name    TIM16_OR register
 * @{
 */
#define STM32_TIM16_OR_TI1_RMP_MASK         (3U << 6)
#define STM32_TIM16_OR_TI1_RMP(n)           ((n) << 6)
/** @} */

/**
 * @name    TIM_OR register
 * @{
 */
#define STM32_TIM_OR_ETR_RMP_MASK           (15U << 0)
#define STM32_TIM_OR_ETR_RMP(n)             ((n) << 0)
/** @} */

/**
 * @name    TIM_CCMR3 register
 * @{
 */
#define STM32_TIM_CCMR3_OC5FE               (1U << 2)
#define STM32_TIM_CCMR3_OC5PE               (1U << 3)

#define STM32_TIM_CCMR3_OC5M_MASK           ((7U << 4) | (1U << 16))
#define STM32_TIM_CCMR3_OC5M(n)             ((((n) & 7) << 4) |             \
                                             (((n) >> 2) << 16))

#define STM32_TIM_CCMR3_OC5CE               (1U << 7)

#define STM32_TIM_CCMR3_OC6FE               (1U << 10)
#define STM32_TIM_CCMR3_OC6PE               (1U << 11)

#define STM32_TIM_CCMR3_OC6M_MASK           ((7U << 12) | (1U << 24))
#define STM32_TIM_CCMR3_OC6M(n)             ((((n) & 7) << 12) |            \
                                             (((n) >> 2) << 24))

#define STM32_TIM_CCMR3_OC6CE               (1U << 15)
/** @} */

/**
 * @name    TIM units references
 * @{
 */
#define STM32_TIM1      ((stm32_tim_t *)TIM1_BASE)
#define STM32_TIM2      ((stm32_tim_t *)TIM2_BASE)
#define STM32_TIM3      ((stm32_tim_t *)TIM3_BASE)
#define STM32_TIM4      ((stm32_tim_t *)TIM4_BASE)
#define STM32_TIM5      ((stm32_tim_t *)TIM5_BASE)
#define STM32_TIM6      ((stm32_tim_t *)TIM6_BASE)
#define STM32_TIM7      ((stm32_tim_t *)TIM7_BASE)
#define STM32_TIM8      ((stm32_tim_t *)TIM8_BASE)
#define STM32_TIM9      ((stm32_tim_t *)TIM9_BASE)
#define STM32_TIM10     ((stm32_tim_t *)TIM10_BASE)
#define STM32_TIM11     ((stm32_tim_t *)TIM11_BASE)
#define STM32_TIM12     ((stm32_tim_t *)TIM12_BASE)
#define STM32_TIM13     ((stm32_tim_t *)TIM13_BASE)
#define STM32_TIM14     ((stm32_tim_t *)TIM14_BASE)
#define STM32_TIM15     ((stm32_tim_t *)TIM15_BASE)
#define STM32_TIM16     ((stm32_tim_t *)TIM16_BASE)
#define STM32_TIM17     ((stm32_tim_t *)TIM17_BASE)
#define STM32_TIM18     ((stm32_tim_t *)TIM18_BASE)
#define STM32_TIM19     ((stm32_tim_t *)TIM19_BASE)
#define STM32_TIM20     ((stm32_tim_t *)TIM20_BASE)
#define STM32_TIM21     ((stm32_tim_t *)TIM21_BASE)
#define STM32_TIM22     ((stm32_tim_t *)TIM22_BASE)
/** @} */

/*===========================================================================*/
/* Driver pre-compile time settings.                                         */
/*===========================================================================*/

/*===========================================================================*/
/* Derived constants and error checks.                                       */
/*===========================================================================*/

/*===========================================================================*/
/* Driver data structures and types.                                         */
/*===========================================================================*/

/**
 * @brief   STM32 TIM registers block.
 * @note    This is the most general known form, not all timers have
 *          necessarily all registers and bits.
 */
typedef struct {
  volatile uint32_t     CR1;
  volatile uint32_t     CR2;
  volatile uint32_t     SMCR;
  volatile uint32_t     DIER;
  volatile uint32_t     SR;
  volatile uint32_t     EGR;
  volatile uint32_t     CCMR1;
  volatile uint32_t     CCMR2;
  volatile uint32_t     CCER;
  volatile uint32_t     CNT;
  volatile uint32_t     PSC;
  volatile uint32_t     ARR;
  volatile uint32_t     RCR;
  volatile uint32_t     CCR[4];
  volatile uint32_t     BDTR;
  volatile uint32_t     DCR;
  volatile uint32_t     DMAR;
  volatile uint32_t     OR;
  volatile uint32_t     CCMR3;
  volatile uint32_t     CCXR[2];
} stm32_tim_t;

/*===========================================================================*/
/* Driver macros.                                                            */
/*===========================================================================*/

/*===========================================================================*/
/* External declarations.                                                    */
/*===========================================================================*/

#endif /* STM32_TIM_H */

/** @} */
