1 // SPDX-License-Identifier: GPL-2.0
11 #define AWG_DELAY (-5)
14 #define AWG_MAX_ARG       0x3ff
34 	u32 instruction = 0;  in awg_generate_instr()
35 	u32 mux = (mux_sel << 8) & 0x1ff;  in awg_generate_instr()
36 	u32 data_enable = (data_en << 9) & 0x2ff;  in awg_generate_instr()
46 	while (arg_tmp > 0) {  in awg_generate_instr()
48 		if (fwparams->instruction_offset >= AWG_MAX_INST) {  in awg_generate_instr()
50 			return -EINVAL;  in awg_generate_instr()
57 			arg--; /* pixel adjustment */  in awg_generate_instr()
58 			arg_tmp--;  in awg_generate_instr()
60 			if (arg < 0) {  in awg_generate_instr()
62 				return 0;  in awg_generate_instr()
65 			if (arg == 0) {  in awg_generate_instr()
66 				/* SKIP 0 not permitted but we want to skip 1  in awg_generate_instr()
73 			mux = 0;  in awg_generate_instr()
74 			data_enable = 0;  in awg_generate_instr()
79 			if (arg == 0) {  in awg_generate_instr()
81 				return 0;  in awg_generate_instr()
84 			mux = 0;  in awg_generate_instr()
85 			data_enable = 0;  in awg_generate_instr()
89 			mux = 0;  in awg_generate_instr()
90 			data_enable = 0;  in awg_generate_instr()
91 			arg |= 0x40; /* for jump instruction 7th bit is 1 */  in awg_generate_instr()
95 			arg = 0;  in awg_generate_instr()
101 			arg &= (0x0ff);  in awg_generate_instr()
105 			return -EINVAL;  in awg_generate_instr()
108 		arg_tmp = arg_tmp - arg;  in awg_generate_instr()
113 		fwparams->ram_code[fwparams->instruction_offset] =  in awg_generate_instr()
114 			instruction & (0x3fff);  in awg_generate_instr()
115 		fwparams->instruction_offset++;  in awg_generate_instr()
117 	return 0;  in awg_generate_instr()
122 		struct awg_timing *timing)  in awg_generate_line_signal()  argument
125 	int ret = 0;  in awg_generate_line_signal()
127 	if (timing->trailing_pixels > 0) {  in awg_generate_line_signal()
129 		val = timing->blanking_level;  in awg_generate_line_signal()
130 		ret |= awg_generate_instr(RPLSET, val, 0, 0, fwparams);  in awg_generate_line_signal()
132 		val = timing->trailing_pixels - 1 + AWG_DELAY;  in awg_generate_line_signal()
133 		ret |= awg_generate_instr(SKIP, val, 0, 0, fwparams);  in awg_generate_line_signal()
137 	val = timing->blanking_level;  in awg_generate_line_signal()
138 	ret |= awg_generate_instr((timing->trailing_pixels > 0) ? SET : RPLSET,  in awg_generate_line_signal()
139 			val, 0, 1, fwparams);  in awg_generate_line_signal()
141 	if (timing->blanking_pixels > 0) {  in awg_generate_line_signal()
143 		val = timing->active_pixels - 1;  in awg_generate_line_signal()
144 		ret |= awg_generate_instr(SKIP, val, 0, 1, fwparams);  in awg_generate_line_signal()
147 		val = timing->blanking_level;  in awg_generate_line_signal()
148 		ret |= awg_generate_instr(SET, val, 0, 0, fwparams);  in awg_generate_line_signal()
156 		struct awg_timing *timing)  in sti_awg_generate_code_data_enable_mode()  argument
159 	int ret = 0;  in sti_awg_generate_code_data_enable_mode()
161 	if (timing->trailing_lines > 0) {  in sti_awg_generate_code_data_enable_mode()
163 		val = timing->blanking_level;  in sti_awg_generate_code_data_enable_mode()
164 		ret |= awg_generate_instr(RPLSET, val, 0, 0, fwparams);  in sti_awg_generate_code_data_enable_mode()
166 		val = timing->trailing_lines - 1;  in sti_awg_generate_code_data_enable_mode()
167 		ret |= awg_generate_instr(REPLAY, val, 0, 0, fwparams);  in sti_awg_generate_code_data_enable_mode()
170 	tmp_val = timing->active_lines - 1;  in sti_awg_generate_code_data_enable_mode()
172 	while (tmp_val > 0) {  in sti_awg_generate_code_data_enable_mode()
174 		ret |= awg_generate_line_signal(fwparams, timing);  in sti_awg_generate_code_data_enable_mode()
178 					  0, 0, fwparams);  in sti_awg_generate_code_data_enable_mode()
179 		tmp_val -= AWG_MAX_ARG;  in sti_awg_generate_code_data_enable_mode()
182 	if (timing->blanking_lines > 0) {  in sti_awg_generate_code_data_enable_mode()
184 		val = timing->blanking_level;  in sti_awg_generate_code_data_enable_mode()
185 		ret |= awg_generate_instr(RPLSET, val, 0, 0, fwparams);  in sti_awg_generate_code_data_enable_mode()
187 		val = timing->blanking_lines - 1;  in sti_awg_generate_code_data_enable_mode()
188 		ret |= awg_generate_instr(REPLAY, val, 0, 0, fwparams);  in sti_awg_generate_code_data_enable_mode()