2  * QTests for Nuvoton NPCM7xx PWM Modules.
58 /* MFT (PWM fan) related */
106 typedef struct PWM {  struct
111 } PWM;  argument
115     const PWM *pwm;  member
129 static const PWM pwm_list[] = {
201 /* Returns the index of the PWM module. */
211 /* Returns the index of the PWM entry. */
212 static int pwm_index(const PWM *pwm)  in pwm_index()  argument
214     ptrdiff_t diff = pwm - pwm_list;  in pwm_index()
244     sprintf(path, "/machine/soc/pwm[%d]", module_index);  in pwm_get_freq()
255     sprintf(path, "/machine/soc/pwm[%d]", module_index);  in pwm_get_duty()
348         /* PWM is stopped. */  in pwm_compute_duty()
398     return extract32(pwm_read(qts, td, PPR), ppr_base[pwm_index(td->pwm)], 8);  in pwm_read_ppr()
403     pwm_write(qts, td, PPR, value << ppr_base[pwm_index(td->pwm)]);  in pwm_write_ppr()
408     return extract32(pwm_read(qts, td, CSR), csr_base[pwm_index(td->pwm)], 3);  in pwm_read_csr()
413     pwm_write(qts, td, CSR, value << csr_base[pwm_index(td->pwm)]);  in pwm_write_csr()
418     return extract32(pwm_read(qts, td, PCR), pcr_base[pwm_index(td->pwm)], 4);  in pwm_read_pcr()
423     pwm_write(qts, td, PCR, value << pcr_base[pwm_index(td->pwm)]);  in pwm_write_pcr()
428     return pwm_read(qts, td, td->pwm->cnr_offset);  in pwm_read_cnr()
433     pwm_write(qts, td, td->pwm->cnr_offset, value);  in pwm_write_cnr()
438     return pwm_read(qts, td, td->pwm->cmr_offset);  in pwm_read_cmr()
443     pwm_write(qts, td, td->pwm->cmr_offset, value);  in pwm_write_cmr()
449                 pwm_index(td->pwm);  in mft_compute_index()
554 /* Check pwm registers can be reset to default value */
560     int pwm = pwm_index(td->pwm);  in test_init()  local
562     g_assert_cmpuint(pwm_get_freq(qts, module, pwm), ==, 0);  in test_init()
563     g_assert_cmpuint(pwm_get_duty(qts, module, pwm), ==, 0);  in test_init()
574     int pwm = pwm_index(td->pwm);  in test_oneshot()  local
591             g_assert_cmpuint(pwm_get_freq(qts, module, pwm), ==, 0);  in test_oneshot()
592             g_assert_cmpuint(pwm_get_duty(qts, module, pwm), ==, 0);  in test_oneshot()
599 /* In toggle mode, the PWM generates correct outputs. */
605     int pwm = pwm_index(td->pwm);  in test_toggle()  local
638                     g_assert_cmpuint(pwm_get_duty(qts, module, pwm),  in test_toggle()
642                         g_assert_cmpuint(pwm_get_freq(qts, module, pwm),  in test_toggle()
653                     g_assert_cmpuint(pwm_get_duty(qts, module, pwm),  in test_toggle()
657                         g_assert_cmpuint(pwm_get_freq(qts, module, pwm),  in test_toggle()
673             "npcm7xx_pwm/module[%d]/pwm[%d]/%s", pwm_module_index(td->module),  in pwm_add_test()
674             pwm_index(td->pwm), name);  in pwm_add_test()
702             td->pwm = &pwm_list[j];  in main()