staging/rts5208/spi.c

28 	int retval;
30 	retval = rtsx_write_register(chip, SPI_CONTROL, 0xFF,
33 	if (retval)
34 		return retval;
35 	retval = rtsx_write_register(chip, SPI_TCTL, EDO_TIMING_MASK,
37 	if (retval)
38 		return retval;
46 	int retval;
48 	retval = rtsx_write_register(chip, SPI_CLK_DIVIDER1, 0xFF,
50 	if (retval)
51 		return retval;
52 	retval = rtsx_write_register(chip, SPI_CLK_DIVIDER0, 0xFF,
54 	if (retval)
55 		return retval;
57 	retval = switch_clock(chip, spi->spi_clock);
58 	if (retval != STATUS_SUCCESS)
61 	retval = select_card(chip, SPI_CARD);
62 	if (retval != STATUS_SUCCESS)
65 	retval = rtsx_write_register(chip, CARD_CLK_EN, SPI_CLK_EN,
67 	if (retval)
68 		return retval;
69 	retval = rtsx_write_register(chip, CARD_OE, SPI_OUTPUT_EN,
71 	if (retval)
72 		return retval;
76 	retval = spi_init(chip);
77 	if (retval != STATUS_SUCCESS)
85 	int retval;
95 	retval = rtsx_send_cmd(chip, 0, msec);
96 	if (retval < 0) {
108 	int retval;
123 	retval = rtsx_send_cmd(chip, 0, 100);
124 	if (retval < 0) {
136 	int retval;
151 	retval = rtsx_send_cmd(chip, 0, 100);
152 	if (retval < 0) {
187 	int retval;
209 	retval = rtsx_send_cmd(chip, 0, 100);
210 	if (retval < 0) {
221 	int retval;
229 	retval = rtsx_write_register(chip, SPI_CLK_DIVIDER1, 0xFF, 0x00);
230 	if (retval)
231 		return retval;
232 	retval = rtsx_write_register(chip, SPI_CLK_DIVIDER0, 0xFF, 0x27);
233 	if (retval)
234 		return retval;
236 	retval = switch_clock(chip, clk);
237 	if (retval != STATUS_SUCCESS)
240 	retval = select_card(chip, SPI_CARD);
241 	if (retval != STATUS_SUCCESS)
244 	retval = rtsx_write_register(chip, CARD_CLK_EN, SPI_CLK_EN,
246 	if (retval)
247 		return retval;
248 	retval = rtsx_write_register(chip, CARD_OE, SPI_OUTPUT_EN,
250 	if (retval)
251 		return retval;
255 	retval = rtsx_write_register(chip, SPI_CONTROL, 0xFF,
257 	if (retval)
258 		return retval;
259 	retval = rtsx_write_register(chip, SPI_TCTL, EDO_TIMING_MASK,
261 	if (retval)
262 		return retval;
269 	int retval;
280 	retval = rtsx_send_cmd(chip, 0, 100);
281 	if (retval < 0)
289 	int retval;
291 	retval = spi_init_eeprom(chip);
292 	if (retval != STATUS_SUCCESS)
295 	retval = spi_eeprom_program_enable(chip);
296 	if (retval != STATUS_SUCCESS)
310 	retval = rtsx_send_cmd(chip, 0, 100);
311 	if (retval < 0)
314 	retval = rtsx_write_register(chip, CARD_GPIO_DIR, 0x01, 0x01);
315 	if (retval)
316 		return retval;
323 	int retval;
325 	retval = spi_init_eeprom(chip);
326 	if (retval != STATUS_SUCCESS)
329 	retval = spi_eeprom_program_enable(chip);
330 	if (retval != STATUS_SUCCESS)
346 	retval = rtsx_send_cmd(chip, 0, 100);
347 	if (retval < 0)
350 	retval = rtsx_write_register(chip, CARD_GPIO_DIR, 0x01, 0x01);
351 	if (retval)
352 		return retval;
359 	int retval;
362 	retval = spi_init_eeprom(chip);
363 	if (retval != STATUS_SUCCESS)
380 	retval = rtsx_send_cmd(chip, 0, 100);
381 	if (retval < 0)
385 	retval = rtsx_read_register(chip, SPI_DATA, &data);
386 	if (retval)
387 		return retval;
392 	retval = rtsx_write_register(chip, CARD_GPIO_DIR, 0x01, 0x01);
393 	if (retval)
394 		return retval;
401 	int retval;
403 	retval = spi_init_eeprom(chip);
404 	if (retval != STATUS_SUCCESS)
407 	retval = spi_eeprom_program_enable(chip);
408 	if (retval != STATUS_SUCCESS)
425 	retval = rtsx_send_cmd(chip, 0, 100);
426 	if (retval < 0)
429 	retval = rtsx_write_register(chip, CARD_GPIO_DIR, 0x01, 0x01);
430 	if (retval)
431 		return retval;
471 	int retval;
483 	retval = spi_set_init_para(chip);
484 	if (retval != STATUS_SUCCESS) {
524 	retval = rtsx_send_cmd(chip, 0, 100);
525 	if (retval < 0) {
536 		retval = rtsx_read_ppbuf(chip, buf, len);
537 		if (retval != STATUS_SUCCESS) {
554 	int retval;
569 	retval = spi_set_init_para(chip);
570 	if (retval != STATUS_SUCCESS) {
623 		retval = rtsx_transfer_data(chip, 0, buf, pagelen, 0,
625 		if (retval < 0) {
647 	int retval;
662 	retval = spi_set_init_para(chip);
663 	if (retval != STATUS_SUCCESS) {
674 			retval = sf_enable_write(chip, SPI_WREN);
675 			if (retval != STATUS_SUCCESS) {
691 			retval = rtsx_send_cmd(chip, 0, 100);
692 			if (retval < 0) {
699 			retval = sf_polling_status(chip, 100);
700 			if (retval != STATUS_SUCCESS) {
714 		retval = sf_enable_write(chip, SPI_WREN);
715 		if (retval != STATUS_SUCCESS)
739 			retval = rtsx_send_cmd(chip, 0, 100);
740 			if (retval < 0) {
747 			retval = sf_polling_status(chip, 100);
748 			if (retval != STATUS_SUCCESS) {
758 		retval = sf_disable_write(chip, SPI_WRDI);
759 		if (retval != STATUS_SUCCESS)
762 		retval = sf_polling_status(chip, 100);
763 		if (retval != STATUS_SUCCESS)
776 			retval = sf_enable_write(chip, SPI_WREN);
777 			if (retval != STATUS_SUCCESS) {
792 			retval = rtsx_transfer_data(chip, 0, buf, pagelen, 0,
794 			if (retval < 0) {
801 			retval = sf_polling_status(chip, 100);
802 			if (retval != STATUS_SUCCESS) {
822 	int retval;
833 	retval = spi_set_init_para(chip);
834 	if (retval != STATUS_SUCCESS) {
840 		retval = sf_enable_write(chip, SPI_WREN);
841 		if (retval != STATUS_SUCCESS)
844 		retval = sf_erase(chip, ins, 1, addr);
845 		if (retval != STATUS_SUCCESS)
848 		retval = sf_enable_write(chip, SPI_WREN);
849 		if (retval != STATUS_SUCCESS)
852 		retval = sf_erase(chip, ins, 0, 0);
853 		if (retval != STATUS_SUCCESS)
865 	int retval;
872 	retval = spi_set_init_para(chip);
873 	if (retval != STATUS_SUCCESS) {
878 	retval = sf_enable_write(chip, ewsr);
879 	if (retval != STATUS_SUCCESS)
898 	retval = rtsx_send_cmd(chip, 0, 100);
899 	if (retval != STATUS_SUCCESS) {