2  * QTests for Nuvoton NPCM7xx PWM Modules.
58 /* MFT (PWM fan) related */
106 typedef struct PWM {  struct
111 } PWM;  typedef
115     const PWM *pwm;  member
129 static const PWM pwm_list[] = {
201 /* Returns the index of the PWM module. */
204     ptrdiff_t diff = module - pwm_module_list;  in pwm_module_index()
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()
229     response = qtest_qmp(qts, "{ 'execute': 'qom-get',"  in pwm_qom_get()
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()
271     response = qtest_qmp(qts, "{ 'execute': 'qom-set',"  in mft_qom_set()
348         /* PWM is stopped. */  in pwm_compute_duty()
357         duty = MAX_DUTY - duty;  in pwm_compute_duty()
363 static uint32_t pwm_read(QTestState *qts, const TestData *td, unsigned offset)  in pwm_read()  argument
365     return qtest_readl(qts, td->module->base_addr + offset);  in pwm_read()
368 static void pwm_write(QTestState *qts, const TestData *td, unsigned offset,  in pwm_write()  argument
371     qtest_writel(qts, td->module->base_addr + offset, value);  in pwm_write()
374 static uint8_t mft_readb(QTestState *qts, int index, unsigned offset)  in mft_readb()  argument
376     return qtest_readb(qts, MFT_BA(index) + offset);  in mft_readb()
379 static uint16_t mft_readw(QTestState *qts, int index, unsigned offset)  in mft_readw()  argument
381     return qtest_readw(qts, MFT_BA(index) + offset);  in mft_readw()
384 static void mft_writeb(QTestState *qts, int index, unsigned offset,  in mft_writeb()  argument
387     qtest_writeb(qts, MFT_BA(index) + offset, value);  in mft_writeb()
390 static void mft_writew(QTestState *qts, int index, unsigned offset,  in mft_writew()  argument
393     return qtest_writew(qts, MFT_BA(index) + offset, value);  in mft_writew()
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()
448     int index = pwm_module_index(td->module) * ARRAY_SIZE(pwm_list) +  in mft_compute_index()
449                 pwm_index(td->pwm);  in mft_compute_index()
463     mft_writew(qts, index, MFT_CPA, MFT_MAX_CNT - MFT_TIMEOUT);  in mft_reset_counters()
464     mft_writew(qts, index, MFT_CPB, MFT_MAX_CNT - MFT_TIMEOUT);  in mft_reset_counters()
496         return -1;  in mft_compute_cnt()
501         return -1;  in mft_compute_cnt()
503     return MFT_MAX_CNT - cnt;  in mft_compute_cnt()
530                     MFT_MAX_CNT - MFT_TIMEOUT);  in mft_verify_rpm()
534     if (expected_cnt == -1) {  in mft_verify_rpm()
554 /* Check pwm registers can be reset to default value */
558     QTestState *qts = qtest_init("-machine npcm750-evb");  in test_init()
559     int module = pwm_module_index(td->module);  in test_init()
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()
568 /* One-shot mode should not change frequency and duty cycle. */
572     QTestState *qts = qtest_init("-machine npcm750-evb");  in test_oneshot()
573     int module = pwm_module_index(td->module);  in test_oneshot()
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. */
603     QTestState *qts = qtest_init("-machine npcm750-evb");  in test_toggle()
604     int module = pwm_module_index(td->module);  in test_toggle()
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()
701             td->module = &pwm_module_list[i];  in main()
702             td->pwm = &pwm_list[j];  in main()