platform/atom/punit_atom_debug.c

1 // SPDX-License-Identifier: GPL-2.0-only
5  * blocks, Image Signal Processing, video processing, display, DSP etc.)
20 #include <asm/intel-family.h>
23 /* Subsystem config/status Video processor */
25 /* Subsystem config/status ISP (Image Signal Processor) */
27 /* Subsystem config/status Input/output controller */
38 /* Shift bits for getting status for Valley View/Baytrail display */
41 /* Subsystem config/status display for Cherry Trail SOC */
43 /* Shift bits for getting status for display */
53 	{ "DISPLAY",	CHT_DSP_SSS,	SSS_SHIFT },
63 	{ "DISPLAY",	PWRGT_STATUS,	VLV_DISPLAY_POS },
73 	{ "DISPLAY",	CHT_DSP_SSS,	CHT_DSP_SSS_POS },
85 	struct punit_device *punit_devp = seq_file->private;  in punit_dev_state_show()
90 	while (punit_devp->name) {  in punit_dev_state_show()
92 				       punit_devp->reg, &punit_pwr_status);  in punit_dev_state_show()
95 				   punit_devp->name);  in punit_dev_state_show()
97 			index = (punit_pwr_status >> punit_devp->sss_pos) & 3;  in punit_dev_state_show()
98 			seq_printf(seq_file, "%9s : %s\n", punit_devp->name,  in punit_dev_state_show()
132 	for (punit_devp = punit_dev; punit_devp->name; punit_devp++) {  in punit_s2idle_check()
134 		if (punit_devp->reg == MIO_SS_PM)  in punit_s2idle_check()
138 				       punit_devp->reg, &punit_pwr_status);  in punit_s2idle_check()
140 			pr_err("%s read failed\n", punit_devp->name);  in punit_s2idle_check()
142 			dstate = (punit_pwr_status >> punit_devp->sss_pos) & 3;  in punit_s2idle_check()
144 				pr_err("%s is in D0 prior to s2idle\n", punit_devp->name);  in punit_s2idle_check()
186 		return -ENODEV;  in punit_atom_debug_init()
188 	punit_device = (struct punit_device *)id->driver_data;  in punit_atom_debug_init()