Lines Matching refs:drv_data
171 *lpss_get_config(const struct driver_data *drv_data) in lpss_get_config() argument
173 return &lpss_platforms[drv_data->ssp_type - LPSS_LPT_SSP]; in lpss_get_config()
176 static bool is_lpss_ssp(const struct driver_data *drv_data) in is_lpss_ssp() argument
178 switch (drv_data->ssp_type) { in is_lpss_ssp()
191 static bool is_quark_x1000_ssp(const struct driver_data *drv_data) in is_quark_x1000_ssp() argument
193 return drv_data->ssp_type == QUARK_X1000_SSP; in is_quark_x1000_ssp()
196 static bool is_mmp2_ssp(const struct driver_data *drv_data) in is_mmp2_ssp() argument
198 return drv_data->ssp_type == MMP2_SSP; in is_mmp2_ssp()
201 static u32 pxa2xx_spi_get_ssrc1_change_mask(const struct driver_data *drv_data) in pxa2xx_spi_get_ssrc1_change_mask() argument
203 switch (drv_data->ssp_type) { in pxa2xx_spi_get_ssrc1_change_mask()
214 pxa2xx_spi_get_rx_default_thre(const struct driver_data *drv_data) in pxa2xx_spi_get_rx_default_thre() argument
216 switch (drv_data->ssp_type) { in pxa2xx_spi_get_rx_default_thre()
226 static bool pxa2xx_spi_txfifo_full(const struct driver_data *drv_data) in pxa2xx_spi_txfifo_full() argument
230 switch (drv_data->ssp_type) { in pxa2xx_spi_txfifo_full()
242 return (pxa2xx_spi_read(drv_data, SSSR) & mask) == mask; in pxa2xx_spi_txfifo_full()
245 static void pxa2xx_spi_clear_rx_thre(const struct driver_data *drv_data, in pxa2xx_spi_clear_rx_thre() argument
250 switch (drv_data->ssp_type) { in pxa2xx_spi_clear_rx_thre()
264 static void pxa2xx_spi_set_rx_thre(const struct driver_data *drv_data, in pxa2xx_spi_set_rx_thre() argument
267 switch (drv_data->ssp_type) { in pxa2xx_spi_set_rx_thre()
280 static u32 pxa2xx_configure_sscr0(const struct driver_data *drv_data, in pxa2xx_configure_sscr0() argument
283 switch (drv_data->ssp_type) { in pxa2xx_configure_sscr0()
302 static u32 __lpss_ssp_read_priv(struct driver_data *drv_data, unsigned offset) in __lpss_ssp_read_priv() argument
304 WARN_ON(!drv_data->lpss_base); in __lpss_ssp_read_priv()
305 return readl(drv_data->lpss_base + offset); in __lpss_ssp_read_priv()
308 static void __lpss_ssp_write_priv(struct driver_data *drv_data, in __lpss_ssp_write_priv() argument
311 WARN_ON(!drv_data->lpss_base); in __lpss_ssp_write_priv()
312 writel(value, drv_data->lpss_base + offset); in __lpss_ssp_write_priv()
322 static void lpss_ssp_setup(struct driver_data *drv_data) in lpss_ssp_setup() argument
327 config = lpss_get_config(drv_data); in lpss_ssp_setup()
328 drv_data->lpss_base = drv_data->ioaddr + config->offset; in lpss_ssp_setup()
331 value = __lpss_ssp_read_priv(drv_data, config->reg_cs_ctrl); in lpss_ssp_setup()
334 __lpss_ssp_write_priv(drv_data, config->reg_cs_ctrl, value); in lpss_ssp_setup()
337 if (drv_data->controller_info->enable_dma) { in lpss_ssp_setup()
338 __lpss_ssp_write_priv(drv_data, config->reg_ssp, 1); in lpss_ssp_setup()
341 value = __lpss_ssp_read_priv(drv_data, in lpss_ssp_setup()
344 __lpss_ssp_write_priv(drv_data, in lpss_ssp_setup()
353 struct driver_data *drv_data = in lpss_ssp_select_cs() local
360 value = __lpss_ssp_read_priv(drv_data, config->reg_cs_ctrl); in lpss_ssp_select_cs()
374 __lpss_ssp_write_priv(drv_data, in lpss_ssp_select_cs()
377 (drv_data->controller->max_speed_hz / 2)); in lpss_ssp_select_cs()
383 struct driver_data *drv_data = in lpss_ssp_cs_control() local
388 config = lpss_get_config(drv_data); in lpss_ssp_cs_control()
393 value = __lpss_ssp_read_priv(drv_data, config->reg_cs_ctrl); in lpss_ssp_cs_control()
398 __lpss_ssp_write_priv(drv_data, config->reg_cs_ctrl, value); in lpss_ssp_cs_control()
408 clkgate = __lpss_ssp_read_priv(drv_data, LPSS_PRIV_CLOCK_GATE); in lpss_ssp_cs_control()
412 __lpss_ssp_write_priv(drv_data, LPSS_PRIV_CLOCK_GATE, value); in lpss_ssp_cs_control()
413 __lpss_ssp_write_priv(drv_data, LPSS_PRIV_CLOCK_GATE, clkgate); in lpss_ssp_cs_control()
420 struct driver_data *drv_data = in cs_assert() local
423 if (drv_data->ssp_type == CE4100_SSP) { in cs_assert()
424 pxa2xx_spi_write(drv_data, SSSR, chip->frm); in cs_assert()
438 if (is_lpss_ssp(drv_data)) in cs_assert()
445 struct driver_data *drv_data = in cs_deassert() local
449 if (drv_data->ssp_type == CE4100_SSP) in cs_deassert()
454 while (pxa2xx_spi_read(drv_data, SSSR) & SSSR_BSY && in cs_deassert()
468 if (is_lpss_ssp(drv_data)) in cs_deassert()
480 int pxa2xx_spi_flush(struct driver_data *drv_data) in pxa2xx_spi_flush() argument
485 while (pxa2xx_spi_read(drv_data, SSSR) & SSSR_RNE) in pxa2xx_spi_flush()
486 pxa2xx_spi_read(drv_data, SSDR); in pxa2xx_spi_flush()
487 } while ((pxa2xx_spi_read(drv_data, SSSR) & SSSR_BSY) && --limit); in pxa2xx_spi_flush()
488 write_SSSR_CS(drv_data, SSSR_ROR); in pxa2xx_spi_flush()
493 static void pxa2xx_spi_off(struct driver_data *drv_data) in pxa2xx_spi_off() argument
496 if (is_mmp2_ssp(drv_data)) in pxa2xx_spi_off()
499 pxa2xx_spi_write(drv_data, SSCR0, in pxa2xx_spi_off()
500 pxa2xx_spi_read(drv_data, SSCR0) & ~SSCR0_SSE); in pxa2xx_spi_off()
503 static int null_writer(struct driver_data *drv_data) in null_writer() argument
505 u8 n_bytes = drv_data->n_bytes; in null_writer()
507 if (pxa2xx_spi_txfifo_full(drv_data) in null_writer()
508 || (drv_data->tx == drv_data->tx_end)) in null_writer()
511 pxa2xx_spi_write(drv_data, SSDR, 0); in null_writer()
512 drv_data->tx += n_bytes; in null_writer()
517 static int null_reader(struct driver_data *drv_data) in null_reader() argument
519 u8 n_bytes = drv_data->n_bytes; in null_reader()
521 while ((pxa2xx_spi_read(drv_data, SSSR) & SSSR_RNE) in null_reader()
522 && (drv_data->rx < drv_data->rx_end)) { in null_reader()
523 pxa2xx_spi_read(drv_data, SSDR); in null_reader()
524 drv_data->rx += n_bytes; in null_reader()
527 return drv_data->rx == drv_data->rx_end; in null_reader()
530 static int u8_writer(struct driver_data *drv_data) in u8_writer() argument
532 if (pxa2xx_spi_txfifo_full(drv_data) in u8_writer()
533 || (drv_data->tx == drv_data->tx_end)) in u8_writer()
536 pxa2xx_spi_write(drv_data, SSDR, *(u8 *)(drv_data->tx)); in u8_writer()
537 ++drv_data->tx; in u8_writer()
542 static int u8_reader(struct driver_data *drv_data) in u8_reader() argument
544 while ((pxa2xx_spi_read(drv_data, SSSR) & SSSR_RNE) in u8_reader()
545 && (drv_data->rx < drv_data->rx_end)) { in u8_reader()
546 *(u8 *)(drv_data->rx) = pxa2xx_spi_read(drv_data, SSDR); in u8_reader()
547 ++drv_data->rx; in u8_reader()
550 return drv_data->rx == drv_data->rx_end; in u8_reader()
553 static int u16_writer(struct driver_data *drv_data) in u16_writer() argument
555 if (pxa2xx_spi_txfifo_full(drv_data) in u16_writer()
556 || (drv_data->tx == drv_data->tx_end)) in u16_writer()
559 pxa2xx_spi_write(drv_data, SSDR, *(u16 *)(drv_data->tx)); in u16_writer()
560 drv_data->tx += 2; in u16_writer()
565 static int u16_reader(struct driver_data *drv_data) in u16_reader() argument
567 while ((pxa2xx_spi_read(drv_data, SSSR) & SSSR_RNE) in u16_reader()
568 && (drv_data->rx < drv_data->rx_end)) { in u16_reader()
569 *(u16 *)(drv_data->rx) = pxa2xx_spi_read(drv_data, SSDR); in u16_reader()
570 drv_data->rx += 2; in u16_reader()
573 return drv_data->rx == drv_data->rx_end; in u16_reader()
576 static int u32_writer(struct driver_data *drv_data) in u32_writer() argument
578 if (pxa2xx_spi_txfifo_full(drv_data) in u32_writer()
579 || (drv_data->tx == drv_data->tx_end)) in u32_writer()
582 pxa2xx_spi_write(drv_data, SSDR, *(u32 *)(drv_data->tx)); in u32_writer()
583 drv_data->tx += 4; in u32_writer()
588 static int u32_reader(struct driver_data *drv_data) in u32_reader() argument
590 while ((pxa2xx_spi_read(drv_data, SSSR) & SSSR_RNE) in u32_reader()
591 && (drv_data->rx < drv_data->rx_end)) { in u32_reader()
592 *(u32 *)(drv_data->rx) = pxa2xx_spi_read(drv_data, SSDR); in u32_reader()
593 drv_data->rx += 4; in u32_reader()
596 return drv_data->rx == drv_data->rx_end; in u32_reader()
599 static void reset_sccr1(struct driver_data *drv_data) in reset_sccr1() argument
602 spi_get_ctldata(drv_data->controller->cur_msg->spi); in reset_sccr1()
605 sccr1_reg = pxa2xx_spi_read(drv_data, SSCR1) & ~drv_data->int_cr1; in reset_sccr1()
606 switch (drv_data->ssp_type) { in reset_sccr1()
618 pxa2xx_spi_write(drv_data, SSCR1, sccr1_reg); in reset_sccr1()
621 static void int_error_stop(struct driver_data *drv_data, const char* msg) in int_error_stop() argument
624 write_SSSR_CS(drv_data, drv_data->clear_sr); in int_error_stop()
625 reset_sccr1(drv_data); in int_error_stop()
626 if (!pxa25x_ssp_comp(drv_data)) in int_error_stop()
627 pxa2xx_spi_write(drv_data, SSTO, 0); in int_error_stop()
628 pxa2xx_spi_flush(drv_data); in int_error_stop()
629 pxa2xx_spi_off(drv_data); in int_error_stop()
631 dev_err(&drv_data->pdev->dev, "%s\n", msg); in int_error_stop()
633 drv_data->controller->cur_msg->status = -EIO; in int_error_stop()
634 spi_finalize_current_transfer(drv_data->controller); in int_error_stop()
637 static void int_transfer_complete(struct driver_data *drv_data) in int_transfer_complete() argument
640 write_SSSR_CS(drv_data, drv_data->clear_sr); in int_transfer_complete()
641 reset_sccr1(drv_data); in int_transfer_complete()
642 if (!pxa25x_ssp_comp(drv_data)) in int_transfer_complete()
643 pxa2xx_spi_write(drv_data, SSTO, 0); in int_transfer_complete()
645 spi_finalize_current_transfer(drv_data->controller); in int_transfer_complete()
648 static irqreturn_t interrupt_transfer(struct driver_data *drv_data) in interrupt_transfer() argument
650 u32 irq_mask = (pxa2xx_spi_read(drv_data, SSCR1) & SSCR1_TIE) ? in interrupt_transfer()
651 drv_data->mask_sr : drv_data->mask_sr & ~SSSR_TFS; in interrupt_transfer()
653 u32 irq_status = pxa2xx_spi_read(drv_data, SSSR) & irq_mask; in interrupt_transfer()
656 int_error_stop(drv_data, "interrupt_transfer: fifo overrun"); in interrupt_transfer()
661 int_error_stop(drv_data, "interrupt_transfer: fifo underrun"); in interrupt_transfer()
666 pxa2xx_spi_write(drv_data, SSSR, SSSR_TINT); in interrupt_transfer()
667 if (drv_data->read(drv_data)) { in interrupt_transfer()
668 int_transfer_complete(drv_data); in interrupt_transfer()
675 if (drv_data->read(drv_data)) { in interrupt_transfer()
676 int_transfer_complete(drv_data); in interrupt_transfer()
679 } while (drv_data->write(drv_data)); in interrupt_transfer()
681 if (drv_data->read(drv_data)) { in interrupt_transfer()
682 int_transfer_complete(drv_data); in interrupt_transfer()
686 if (drv_data->tx == drv_data->tx_end) { in interrupt_transfer()
690 sccr1_reg = pxa2xx_spi_read(drv_data, SSCR1); in interrupt_transfer()
697 if (pxa25x_ssp_comp(drv_data)) { in interrupt_transfer()
700 pxa2xx_spi_clear_rx_thre(drv_data, &sccr1_reg); in interrupt_transfer()
702 bytes_left = drv_data->rx_end - drv_data->rx; in interrupt_transfer()
703 switch (drv_data->n_bytes) { in interrupt_transfer()
712 rx_thre = pxa2xx_spi_get_rx_default_thre(drv_data); in interrupt_transfer()
716 pxa2xx_spi_set_rx_thre(drv_data, &sccr1_reg, rx_thre); in interrupt_transfer()
718 pxa2xx_spi_write(drv_data, SSCR1, sccr1_reg); in interrupt_transfer()
725 static void handle_bad_msg(struct driver_data *drv_data) in handle_bad_msg() argument
727 pxa2xx_spi_off(drv_data); in handle_bad_msg()
728 pxa2xx_spi_write(drv_data, SSCR1, in handle_bad_msg()
729 pxa2xx_spi_read(drv_data, SSCR1) & ~drv_data->int_cr1); in handle_bad_msg()
730 if (!pxa25x_ssp_comp(drv_data)) in handle_bad_msg()
731 pxa2xx_spi_write(drv_data, SSTO, 0); in handle_bad_msg()
732 write_SSSR_CS(drv_data, drv_data->clear_sr); in handle_bad_msg()
734 dev_err(&drv_data->pdev->dev, in handle_bad_msg()
740 struct driver_data *drv_data = dev_id; in ssp_int() local
742 u32 mask = drv_data->mask_sr; in ssp_int()
751 if (pm_runtime_suspended(&drv_data->pdev->dev)) in ssp_int()
760 status = pxa2xx_spi_read(drv_data, SSSR); in ssp_int()
764 sccr1_reg = pxa2xx_spi_read(drv_data, SSCR1); in ssp_int()
777 pxa2xx_spi_write(drv_data, SSCR1, sccr1_reg & ~drv_data->int_cr1); in ssp_int()
778 pxa2xx_spi_write(drv_data, SSCR1, sccr1_reg); in ssp_int()
780 if (!drv_data->controller->cur_msg) { in ssp_int()
781 handle_bad_msg(drv_data); in ssp_int()
786 return drv_data->transfer_handler(drv_data); in ssp_int()
910 static unsigned int ssp_get_clk_div(struct driver_data *drv_data, int rate) in ssp_get_clk_div() argument
912 unsigned long ssp_clk = drv_data->controller->max_speed_hz; in ssp_get_clk_div()
913 const struct ssp_device *ssp = drv_data->ssp; in ssp_get_clk_div()
927 static unsigned int pxa2xx_ssp_get_clk_div(struct driver_data *drv_data, in pxa2xx_ssp_get_clk_div() argument
931 spi_get_ctldata(drv_data->controller->cur_msg->spi); in pxa2xx_ssp_get_clk_div()
934 switch (drv_data->ssp_type) { in pxa2xx_ssp_get_clk_div()
939 clk_div = ssp_get_clk_div(drv_data, rate); in pxa2xx_ssp_get_clk_div()
960 struct driver_data *drv_data = spi_controller_get_devdata(controller); in pxa2xx_spi_transfer_one() local
965 u32 change_mask = pxa2xx_spi_get_ssrc1_change_mask(drv_data); in pxa2xx_spi_transfer_one()
993 if (pxa2xx_spi_flush(drv_data) == 0) { in pxa2xx_spi_transfer_one()
997 drv_data->n_bytes = chip->n_bytes; in pxa2xx_spi_transfer_one()
998 drv_data->tx = (void *)transfer->tx_buf; in pxa2xx_spi_transfer_one()
999 drv_data->tx_end = drv_data->tx + transfer->len; in pxa2xx_spi_transfer_one()
1000 drv_data->rx = transfer->rx_buf; in pxa2xx_spi_transfer_one()
1001 drv_data->rx_end = drv_data->rx + transfer->len; in pxa2xx_spi_transfer_one()
1002 drv_data->write = drv_data->tx ? chip->write : null_writer; in pxa2xx_spi_transfer_one()
1003 drv_data->read = drv_data->rx ? chip->read : null_reader; in pxa2xx_spi_transfer_one()
1009 clk_div = pxa2xx_ssp_get_clk_div(drv_data, speed); in pxa2xx_spi_transfer_one()
1012 drv_data->n_bytes = 1; in pxa2xx_spi_transfer_one()
1013 drv_data->read = drv_data->read != null_reader ? in pxa2xx_spi_transfer_one()
1015 drv_data->write = drv_data->write != null_writer ? in pxa2xx_spi_transfer_one()
1018 drv_data->n_bytes = 2; in pxa2xx_spi_transfer_one()
1019 drv_data->read = drv_data->read != null_reader ? in pxa2xx_spi_transfer_one()
1021 drv_data->write = drv_data->write != null_writer ? in pxa2xx_spi_transfer_one()
1024 drv_data->n_bytes = 4; in pxa2xx_spi_transfer_one()
1025 drv_data->read = drv_data->read != null_reader ? in pxa2xx_spi_transfer_one()
1027 drv_data->write = drv_data->write != null_writer ? in pxa2xx_spi_transfer_one()
1049 drv_data->transfer_handler = pxa2xx_spi_dma_transfer; in pxa2xx_spi_transfer_one()
1051 err = pxa2xx_spi_dma_prepare(drv_data, transfer); in pxa2xx_spi_transfer_one()
1056 cr1 = chip->cr1 | dma_thresh | drv_data->dma_cr1; in pxa2xx_spi_transfer_one()
1057 pxa2xx_spi_write(drv_data, SSSR, drv_data->clear_sr); in pxa2xx_spi_transfer_one()
1059 pxa2xx_spi_dma_start(drv_data); in pxa2xx_spi_transfer_one()
1062 drv_data->transfer_handler = interrupt_transfer; in pxa2xx_spi_transfer_one()
1065 cr1 = chip->cr1 | chip->threshold | drv_data->int_cr1; in pxa2xx_spi_transfer_one()
1066 write_SSSR_CS(drv_data, drv_data->clear_sr); in pxa2xx_spi_transfer_one()
1070 cr0 = pxa2xx_configure_sscr0(drv_data, clk_div, bits); in pxa2xx_spi_transfer_one()
1071 if (!pxa25x_ssp_comp(drv_data)) in pxa2xx_spi_transfer_one()
1082 if (is_lpss_ssp(drv_data)) { in pxa2xx_spi_transfer_one()
1083 if ((pxa2xx_spi_read(drv_data, SSIRF) & 0xff) in pxa2xx_spi_transfer_one()
1085 pxa2xx_spi_write(drv_data, SSIRF, in pxa2xx_spi_transfer_one()
1087 if ((pxa2xx_spi_read(drv_data, SSITF) & 0xffff) in pxa2xx_spi_transfer_one()
1089 pxa2xx_spi_write(drv_data, SSITF, in pxa2xx_spi_transfer_one()
1093 if (is_quark_x1000_ssp(drv_data) && in pxa2xx_spi_transfer_one()
1094 (pxa2xx_spi_read(drv_data, DDS_RATE) != chip->dds_rate)) in pxa2xx_spi_transfer_one()
1095 pxa2xx_spi_write(drv_data, DDS_RATE, chip->dds_rate); in pxa2xx_spi_transfer_one()
1098 if ((pxa2xx_spi_read(drv_data, SSCR0) != cr0) in pxa2xx_spi_transfer_one()
1099 || (pxa2xx_spi_read(drv_data, SSCR1) & change_mask) in pxa2xx_spi_transfer_one()
1102 if (!is_mmp2_ssp(drv_data)) in pxa2xx_spi_transfer_one()
1103 pxa2xx_spi_write(drv_data, SSCR0, cr0 & ~SSCR0_SSE); in pxa2xx_spi_transfer_one()
1104 if (!pxa25x_ssp_comp(drv_data)) in pxa2xx_spi_transfer_one()
1105 pxa2xx_spi_write(drv_data, SSTO, chip->timeout); in pxa2xx_spi_transfer_one()
1107 pxa2xx_spi_write(drv_data, SSCR1, cr1 & change_mask); in pxa2xx_spi_transfer_one()
1109 pxa2xx_spi_write(drv_data, SSCR0, cr0); in pxa2xx_spi_transfer_one()
1112 if (!pxa25x_ssp_comp(drv_data)) in pxa2xx_spi_transfer_one()
1113 pxa2xx_spi_write(drv_data, SSTO, chip->timeout); in pxa2xx_spi_transfer_one()
1116 if (is_mmp2_ssp(drv_data)) { in pxa2xx_spi_transfer_one()
1117 u8 tx_level = (pxa2xx_spi_read(drv_data, SSSR) in pxa2xx_spi_transfer_one()
1126 drv_data->tx += tx_level; in pxa2xx_spi_transfer_one()
1131 while (drv_data->write(drv_data)) in pxa2xx_spi_transfer_one()
1133 if (drv_data->gpiod_ready) { in pxa2xx_spi_transfer_one()
1134 gpiod_set_value(drv_data->gpiod_ready, 1); in pxa2xx_spi_transfer_one()
1136 gpiod_set_value(drv_data->gpiod_ready, 0); in pxa2xx_spi_transfer_one()
1144 pxa2xx_spi_write(drv_data, SSCR1, cr1); in pxa2xx_spi_transfer_one()
1151 struct driver_data *drv_data = spi_controller_get_devdata(controller); in pxa2xx_spi_slave_abort() local
1154 write_SSSR_CS(drv_data, drv_data->clear_sr); in pxa2xx_spi_slave_abort()
1155 reset_sccr1(drv_data); in pxa2xx_spi_slave_abort()
1156 if (!pxa25x_ssp_comp(drv_data)) in pxa2xx_spi_slave_abort()
1157 pxa2xx_spi_write(drv_data, SSTO, 0); in pxa2xx_spi_slave_abort()
1158 pxa2xx_spi_flush(drv_data); in pxa2xx_spi_slave_abort()
1159 pxa2xx_spi_off(drv_data); in pxa2xx_spi_slave_abort()
1161 dev_dbg(&drv_data->pdev->dev, "transfer aborted\n"); in pxa2xx_spi_slave_abort()
1163 drv_data->controller->cur_msg->status = -EINTR; in pxa2xx_spi_slave_abort()
1164 spi_finalize_current_transfer(drv_data->controller); in pxa2xx_spi_slave_abort()
1172 struct driver_data *drv_data = spi_controller_get_devdata(controller); in pxa2xx_spi_handle_err() local
1175 pxa2xx_spi_off(drv_data); in pxa2xx_spi_handle_err()
1177 write_SSSR_CS(drv_data, drv_data->clear_sr); in pxa2xx_spi_handle_err()
1178 pxa2xx_spi_write(drv_data, SSCR1, in pxa2xx_spi_handle_err()
1179 pxa2xx_spi_read(drv_data, SSCR1) in pxa2xx_spi_handle_err()
1180 & ~(drv_data->int_cr1 | drv_data->dma_cr1)); in pxa2xx_spi_handle_err()
1181 if (!pxa25x_ssp_comp(drv_data)) in pxa2xx_spi_handle_err()
1182 pxa2xx_spi_write(drv_data, SSTO, 0); in pxa2xx_spi_handle_err()
1191 if (atomic_read(&drv_data->dma_running)) in pxa2xx_spi_handle_err()
1192 pxa2xx_spi_dma_stop(drv_data); in pxa2xx_spi_handle_err()
1197 struct driver_data *drv_data = spi_controller_get_devdata(controller); in pxa2xx_spi_unprepare_transfer() local
1200 pxa2xx_spi_off(drv_data); in pxa2xx_spi_unprepare_transfer()
1208 struct driver_data *drv_data = in setup_cs() local
1216 if (drv_data->cs_gpiods) { in setup_cs()
1217 gpiod = drv_data->cs_gpiods[spi->chip_select]; in setup_cs()
1267 struct driver_data *drv_data = in setup() local
1271 switch (drv_data->ssp_type) { in setup()
1288 config = lpss_get_config(drv_data); in setup()
1295 if (spi_controller_is_slave(drv_data->controller)) { in setup()
1312 if (drv_data->ssp_type == CE4100_SSP) { in setup()
1322 chip->enable_dma = drv_data->controller_info->enable_dma; in setup()
1345 if (spi_controller_is_slave(drv_data->controller)) { in setup()
1373 switch (drv_data->ssp_type) { in setup()
1413 if (drv_data->ssp_type == CE4100_SSP) in setup()
1422 struct driver_data *drv_data = in cleanup() local
1428 if (drv_data->ssp_type != CE4100_SSP && !drv_data->cs_gpiods && in cleanup()
1633 struct driver_data *drv_data = spi_controller_get_devdata(controller); in pxa2xx_spi_fw_translate_cs() local
1635 if (has_acpi_companion(&drv_data->pdev->dev)) { in pxa2xx_spi_fw_translate_cs()
1636 switch (drv_data->ssp_type) { in pxa2xx_spi_fw_translate_cs()
1664 struct driver_data *drv_data; in pxa2xx_spi_probe() local
1698 drv_data = spi_controller_get_devdata(controller); in pxa2xx_spi_probe()
1699 drv_data->controller = controller; in pxa2xx_spi_probe()
1700 drv_data->controller_info = platform_info; in pxa2xx_spi_probe()
1701 drv_data->pdev = pdev; in pxa2xx_spi_probe()
1702 drv_data->ssp = ssp; in pxa2xx_spi_probe()
1721 drv_data->ssp_type = ssp->type; in pxa2xx_spi_probe()
1723 drv_data->ioaddr = ssp->mmio_base; in pxa2xx_spi_probe()
1724 drv_data->ssdr_physical = ssp->phys_base + SSDR; in pxa2xx_spi_probe()
1725 if (pxa25x_ssp_comp(drv_data)) { in pxa2xx_spi_probe()
1726 switch (drv_data->ssp_type) { in pxa2xx_spi_probe()
1735 drv_data->int_cr1 = SSCR1_TIE | SSCR1_RIE; in pxa2xx_spi_probe()
1736 drv_data->dma_cr1 = 0; in pxa2xx_spi_probe()
1737 drv_data->clear_sr = SSSR_ROR; in pxa2xx_spi_probe()
1738 drv_data->mask_sr = SSSR_RFS | SSSR_TFS | SSSR_ROR; in pxa2xx_spi_probe()
1741 drv_data->int_cr1 = SSCR1_TIE | SSCR1_RIE | SSCR1_TINTE; in pxa2xx_spi_probe()
1742 drv_data->dma_cr1 = DEFAULT_DMA_CR1; in pxa2xx_spi_probe()
1743 drv_data->clear_sr = SSSR_ROR | SSSR_TINT; in pxa2xx_spi_probe()
1744 drv_data->mask_sr = SSSR_TINT | SSSR_RFS | SSSR_TFS in pxa2xx_spi_probe()
1749 drv_data); in pxa2xx_spi_probe()
1757 status = pxa2xx_spi_dma_setup(drv_data); in pxa2xx_spi_probe()
1779 if (!pxa25x_ssp_comp(drv_data)) in pxa2xx_spi_probe()
1782 else if (!is_quark_x1000_ssp(drv_data)) in pxa2xx_spi_probe()
1787 pxa2xx_spi_write(drv_data, SSCR0, 0); in pxa2xx_spi_probe()
1788 switch (drv_data->ssp_type) { in pxa2xx_spi_probe()
1792 pxa2xx_spi_write(drv_data, SSCR1, tmp); in pxa2xx_spi_probe()
1796 pxa2xx_spi_write(drv_data, SSCR0, tmp); in pxa2xx_spi_probe()
1801 pxa2xx_spi_write(drv_data, SSCR1, tmp); in pxa2xx_spi_probe()
1803 pxa2xx_spi_write(drv_data, SSCR0, tmp); in pxa2xx_spi_probe()
1818 pxa2xx_spi_write(drv_data, SSCR1, tmp); in pxa2xx_spi_probe()
1822 pxa2xx_spi_write(drv_data, SSCR0, tmp); in pxa2xx_spi_probe()
1826 if (!pxa25x_ssp_comp(drv_data)) in pxa2xx_spi_probe()
1827 pxa2xx_spi_write(drv_data, SSTO, 0); in pxa2xx_spi_probe()
1829 if (!is_quark_x1000_ssp(drv_data)) in pxa2xx_spi_probe()
1830 pxa2xx_spi_write(drv_data, SSPSP, 0); in pxa2xx_spi_probe()
1832 if (is_lpss_ssp(drv_data)) { in pxa2xx_spi_probe()
1833 lpss_ssp_setup(drv_data); in pxa2xx_spi_probe()
1834 config = lpss_get_config(drv_data); in pxa2xx_spi_probe()
1836 tmp = __lpss_ssp_read_priv(drv_data, in pxa2xx_spi_probe()
1854 drv_data->cs_gpiods = devm_kcalloc(&pdev->dev, in pxa2xx_spi_probe()
1857 if (!drv_data->cs_gpiods) { in pxa2xx_spi_probe()
1874 drv_data->cs_gpiods[i] = gpiod; in pxa2xx_spi_probe()
1880 drv_data->gpiod_ready = devm_gpiod_get_optional(dev, in pxa2xx_spi_probe()
1882 if (IS_ERR(drv_data->gpiod_ready)) { in pxa2xx_spi_probe()
1883 status = PTR_ERR(drv_data->gpiod_ready); in pxa2xx_spi_probe()
1894 platform_set_drvdata(pdev, drv_data); in pxa2xx_spi_probe()
1910 pxa2xx_spi_dma_release(drv_data); in pxa2xx_spi_probe()
1911 free_irq(ssp->irq, drv_data); in pxa2xx_spi_probe()
1921 struct driver_data *drv_data = platform_get_drvdata(pdev); in pxa2xx_spi_remove() local
1922 struct ssp_device *ssp = drv_data->ssp; in pxa2xx_spi_remove()
1926 spi_unregister_controller(drv_data->controller); in pxa2xx_spi_remove()
1929 pxa2xx_spi_write(drv_data, SSCR0, 0); in pxa2xx_spi_remove()
1933 if (drv_data->controller_info->enable_dma) in pxa2xx_spi_remove()
1934 pxa2xx_spi_dma_release(drv_data); in pxa2xx_spi_remove()
1940 free_irq(ssp->irq, drv_data); in pxa2xx_spi_remove()
1951 struct driver_data *drv_data = dev_get_drvdata(dev); in pxa2xx_spi_suspend() local
1952 struct ssp_device *ssp = drv_data->ssp; in pxa2xx_spi_suspend()
1955 status = spi_controller_suspend(drv_data->controller); in pxa2xx_spi_suspend()
1958 pxa2xx_spi_write(drv_data, SSCR0, 0); in pxa2xx_spi_suspend()
1968 struct driver_data *drv_data = dev_get_drvdata(dev); in pxa2xx_spi_resume() local
1969 struct ssp_device *ssp = drv_data->ssp; in pxa2xx_spi_resume()
1980 return spi_controller_resume(drv_data->controller); in pxa2xx_spi_resume()
1987 struct driver_data *drv_data = dev_get_drvdata(dev); in pxa2xx_spi_runtime_suspend() local
1989 clk_disable_unprepare(drv_data->ssp->clk); in pxa2xx_spi_runtime_suspend()
1995 struct driver_data *drv_data = dev_get_drvdata(dev); in pxa2xx_spi_runtime_resume() local
1998 status = clk_prepare_enable(drv_data->ssp->clk); in pxa2xx_spi_runtime_resume()