30 static inline void eeprom_93cx6_pulse_high(struct eeprom_93cx6 *eeprom)  in eeprom_93cx6_pulse_high()  argument
32 	eeprom->reg_data_clock = 1;  in eeprom_93cx6_pulse_high()
33 	eeprom->register_write(eeprom);  in eeprom_93cx6_pulse_high()
43 static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom)  in eeprom_93cx6_pulse_low()  argument
45 	eeprom->reg_data_clock = 0;  in eeprom_93cx6_pulse_low()
46 	eeprom->register_write(eeprom);  in eeprom_93cx6_pulse_low()
56 static void eeprom_93cx6_startup(struct eeprom_93cx6 *eeprom)  in eeprom_93cx6_startup()  argument
61 	eeprom->register_read(eeprom);  in eeprom_93cx6_startup()
62 	eeprom->reg_data_in = 0;  in eeprom_93cx6_startup()
63 	eeprom->reg_data_out = 0;  in eeprom_93cx6_startup()
64 	eeprom->reg_data_clock = 0;  in eeprom_93cx6_startup()
65 	eeprom->reg_chip_select = 1;  in eeprom_93cx6_startup()
66 	eeprom->drive_data = 1;  in eeprom_93cx6_startup()
67 	eeprom->register_write(eeprom);  in eeprom_93cx6_startup()
72 	eeprom_93cx6_pulse_high(eeprom);  in eeprom_93cx6_startup()
73 	eeprom_93cx6_pulse_low(eeprom);  in eeprom_93cx6_startup()
76 static void eeprom_93cx6_cleanup(struct eeprom_93cx6 *eeprom)  in eeprom_93cx6_cleanup()  argument
81 	eeprom->register_read(eeprom);  in eeprom_93cx6_cleanup()
82 	eeprom->reg_data_in = 0;  in eeprom_93cx6_cleanup()
83 	eeprom->reg_chip_select = 0;  in eeprom_93cx6_cleanup()
84 	eeprom->register_write(eeprom);  in eeprom_93cx6_cleanup()
89 	eeprom_93cx6_pulse_high(eeprom);  in eeprom_93cx6_cleanup()
90 	eeprom_93cx6_pulse_low(eeprom);  in eeprom_93cx6_cleanup()
93 static void eeprom_93cx6_write_bits(struct eeprom_93cx6 *eeprom,  in eeprom_93cx6_write_bits()  argument
98 	eeprom->register_read(eeprom);  in eeprom_93cx6_write_bits()
103 	eeprom->reg_data_in = 0;  in eeprom_93cx6_write_bits()
104 	eeprom->reg_data_out = 0;  in eeprom_93cx6_write_bits()
105 	eeprom->drive_data = 1;  in eeprom_93cx6_write_bits()
114 		eeprom->reg_data_in = !!(data & (1 << (i - 1)));  in eeprom_93cx6_write_bits()
119 		eeprom->register_write(eeprom);  in eeprom_93cx6_write_bits()
124 		eeprom_93cx6_pulse_high(eeprom);  in eeprom_93cx6_write_bits()
125 		eeprom_93cx6_pulse_low(eeprom);  in eeprom_93cx6_write_bits()
128 	eeprom->reg_data_in = 0;  in eeprom_93cx6_write_bits()
129 	eeprom->register_write(eeprom);  in eeprom_93cx6_write_bits()
132 static void eeprom_93cx6_read_bits(struct eeprom_93cx6 *eeprom,  in eeprom_93cx6_read_bits()  argument
138 	eeprom->register_read(eeprom);  in eeprom_93cx6_read_bits()
143 	eeprom->reg_data_in = 0;  in eeprom_93cx6_read_bits()
144 	eeprom->reg_data_out = 0;  in eeprom_93cx6_read_bits()
145 	eeprom->drive_data = 0;  in eeprom_93cx6_read_bits()
151 		eeprom_93cx6_pulse_high(eeprom);  in eeprom_93cx6_read_bits()
153 		eeprom->register_read(eeprom);  in eeprom_93cx6_read_bits()
158 		eeprom->reg_data_in = 0;  in eeprom_93cx6_read_bits()
163 		if (eeprom->reg_data_out)  in eeprom_93cx6_read_bits()
166 		eeprom_93cx6_pulse_low(eeprom);  in eeprom_93cx6_read_bits()
181 void eeprom_93cx6_read(struct eeprom_93cx6 *eeprom, const u8 word,  in eeprom_93cx6_read()  argument
189 	eeprom_93cx6_startup(eeprom);  in eeprom_93cx6_read()
194 	command = (PCI_EEPROM_READ_OPCODE << eeprom->width) | word;  in eeprom_93cx6_read()
195 	eeprom_93cx6_write_bits(eeprom, command,  in eeprom_93cx6_read()
196 		PCI_EEPROM_WIDTH_OPCODE + eeprom->width);  in eeprom_93cx6_read()
201 	eeprom_93cx6_read_bits(eeprom, data, 16);  in eeprom_93cx6_read()
206 	eeprom_93cx6_cleanup(eeprom);  in eeprom_93cx6_read()
223 void eeprom_93cx6_multiread(struct eeprom_93cx6 *eeprom, const u8 word,  in eeprom_93cx6_multiread()  argument
231 		eeprom_93cx6_read(eeprom, word + i, &tmp);  in eeprom_93cx6_multiread()
246 void eeprom_93cx6_readb(struct eeprom_93cx6 *eeprom, const u8 byte,  in eeprom_93cx6_readb()  argument
255 	eeprom_93cx6_startup(eeprom);  in eeprom_93cx6_readb()
260 	command = (PCI_EEPROM_READ_OPCODE << (eeprom->width + 1)) | byte;  in eeprom_93cx6_readb()
261 	eeprom_93cx6_write_bits(eeprom, command,  in eeprom_93cx6_readb()
262 		PCI_EEPROM_WIDTH_OPCODE + eeprom->width + 1);  in eeprom_93cx6_readb()
267 	eeprom_93cx6_read_bits(eeprom, &tmp, 8);  in eeprom_93cx6_readb()
273 	eeprom_93cx6_cleanup(eeprom);  in eeprom_93cx6_readb()
287 void eeprom_93cx6_multireadb(struct eeprom_93cx6 *eeprom, const u8 byte,  in eeprom_93cx6_multireadb()  argument
293 		eeprom_93cx6_readb(eeprom, byte + i, &data[i]);  in eeprom_93cx6_multireadb()
305 void eeprom_93cx6_wren(struct eeprom_93cx6 *eeprom, bool enable)  in eeprom_93cx6_wren()  argument
310 	eeprom_93cx6_startup(eeprom);  in eeprom_93cx6_wren()
315 	command <<= (eeprom->width - 2);  in eeprom_93cx6_wren()
317 	eeprom_93cx6_write_bits(eeprom, command,  in eeprom_93cx6_wren()
318 				PCI_EEPROM_WIDTH_OPCODE + eeprom->width);  in eeprom_93cx6_wren()
320 	eeprom_93cx6_cleanup(eeprom);  in eeprom_93cx6_wren()
337 void eeprom_93cx6_write(struct eeprom_93cx6 *eeprom, u8 addr, u16 data)  in eeprom_93cx6_write()  argument
343 	eeprom_93cx6_startup(eeprom);  in eeprom_93cx6_write()
345 	command = PCI_EEPROM_WRITE_OPCODE << eeprom->width;  in eeprom_93cx6_write()
349 	eeprom_93cx6_write_bits(eeprom, command,  in eeprom_93cx6_write()
350 				PCI_EEPROM_WIDTH_OPCODE + eeprom->width);  in eeprom_93cx6_write()
353 	eeprom_93cx6_write_bits(eeprom, data, 16);  in eeprom_93cx6_write()
356 	eeprom->drive_data = 0;  in eeprom_93cx6_write()
357 	eeprom->reg_chip_select = 1;  in eeprom_93cx6_write()
358 	eeprom->register_write(eeprom);  in eeprom_93cx6_write()
366 		eeprom->register_read(eeprom);  in eeprom_93cx6_write()
368 		if (eeprom->reg_data_out)  in eeprom_93cx6_write()
379 	eeprom_93cx6_cleanup(eeprom);  in eeprom_93cx6_write()