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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-11 21:59:44 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-11 21:59:44 (GMT) |
commit | 8966961b31c251b854169e9886394c2a20f2cea7 (patch) | |
tree | 248a625b23335acbd5ca4b55eb136fe0dc8ba0aa /drivers/staging/rts_pstor/spi.c | |
parent | 6a5971d8fea1f4a8c33dfe0cec6a1c490f0c9cde (diff) | |
parent | 7bcb57cde66c19df378f3468ea342166a8a4504d (diff) | |
download | linux-fsl-qoriq-8966961b31c251b854169e9886394c2a20f2cea7.tar.xz |
Merge tag 'staging-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver tree merge from Greg Kroah-Hartman:
"Here's the big staging tree merge for 3.8-rc1
There's a lot of patches in here, the majority being the comedi
rework/cleanup that has been ongoing and is causing a huge reduction
in overall code size, which is amazing to watch. We also removed some
older drivers (telephony and rts_pstor), and added a new one (fwserial
which also came in through the tty tree due to tty api changes, take
that one if you get merge conflicts.)
The iio and ipack drivers are moving out of the staging area into
their own part of the kernel as they have been cleaned up sufficiently
and are working well.
Overall, again a reduction of code:
768 files changed, 31887 insertions(+), 82166 deletions(-)
All of this has been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1298 commits)
iio: imu: adis16480: remove duplicated include from adis16480.c
iio: gyro: adis16136: remove duplicated include from adis16136.c
iio:imu: adis16480: show_firmware() buffer too small
iio:gyro: adis16136: divide by zero in write_frequency()
iio: adc: Add Texas Instruments ADC081C021/027 support
iio:ad7793: Add support for the ad7796 and ad7797
iio:ad7793: Add support for the ad7798 and ad7799
staging:iio: Move ad7793 driver out of staging
staging:iio:ad7793: Implement stricter id checking
staging:iio:ad7793: Move register definitions from header to source
staging:iio:ad7793: Rework regulator handling
staging:iio:ad7793: Rework platform data
staging:iio:ad7793: Use kstrtol instead of strict_strtol
staging:iio:ad7793: Use usleep_range instead of msleep
staging:iio:ad7793: Fix temperature scale
staging:iio:ad7793: Fix VDD monitor scale
staging: gdm72xx: unlock on error in init_usb()
staging: panel: pass correct lengths to keypad_send_key()
staging: comedi: addi_apci_2032: fix interrupt support
staging: comedi: addi_apci_2032: move i_APCI2032_ConfigDigitalOutput()
...
Diffstat (limited to 'drivers/staging/rts_pstor/spi.c')
-rw-r--r-- | drivers/staging/rts_pstor/spi.c | 812 |
1 files changed, 0 insertions, 812 deletions
diff --git a/drivers/staging/rts_pstor/spi.c b/drivers/staging/rts_pstor/spi.c deleted file mode 100644 index 6b36cc5..0000000 --- a/drivers/staging/rts_pstor/spi.c +++ /dev/null @@ -1,812 +0,0 @@ -/* Driver for Realtek PCI-Express card reader - * - * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - * - * Author: - * wwang (wei_wang@realsil.com.cn) - * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China - */ - -#include <linux/blkdev.h> -#include <linux/kthread.h> -#include <linux/sched.h> - -#include "rtsx.h" -#include "rtsx_transport.h" -#include "rtsx_scsi.h" -#include "rtsx_card.h" -#include "spi.h" - -static inline void spi_set_err_code(struct rtsx_chip *chip, u8 err_code) -{ - struct spi_info *spi = &(chip->spi); - - spi->err_code = err_code; -} - -static int spi_init(struct rtsx_chip *chip) -{ - RTSX_WRITE_REG(chip, SPI_CONTROL, 0xFF, - CS_POLARITY_LOW | DTO_MSB_FIRST | SPI_MASTER | SPI_MODE0 | SPI_AUTO); - RTSX_WRITE_REG(chip, SPI_TCTL, EDO_TIMING_MASK, SAMPLE_DELAY_HALF); - - return STATUS_SUCCESS; -} - -static int spi_set_init_para(struct rtsx_chip *chip) -{ - struct spi_info *spi = &(chip->spi); - int retval; - - RTSX_WRITE_REG(chip, SPI_CLK_DIVIDER1, 0xFF, (u8)(spi->clk_div >> 8)); - RTSX_WRITE_REG(chip, SPI_CLK_DIVIDER0, 0xFF, (u8)(spi->clk_div)); - - retval = switch_clock(chip, spi->spi_clock); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - retval = select_card(chip, SPI_CARD); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - RTSX_WRITE_REG(chip, CARD_CLK_EN, SPI_CLK_EN, SPI_CLK_EN); - RTSX_WRITE_REG(chip, CARD_OE, SPI_OUTPUT_EN, SPI_OUTPUT_EN); - - wait_timeout(10); - - retval = spi_init(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - return STATUS_SUCCESS; -} - -static int sf_polling_status(struct rtsx_chip *chip, int msec) -{ - int retval; - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, SPI_RDSR); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_POLLING_MODE0); - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, msec); - if (retval < 0) { - rtsx_clear_spi_error(chip); - spi_set_err_code(chip, SPI_BUSY_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - return STATUS_SUCCESS; -} - -static int sf_enable_write(struct rtsx_chip *chip, u8 ins) -{ - struct spi_info *spi = &(chip->spi); - int retval; - - if (!spi->write_en) - return STATUS_SUCCESS; - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, ins); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, SPI_COMMAND_BIT_8 | SPI_ADDRESS_BIT_24); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_C_MODE0); - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) { - rtsx_clear_spi_error(chip); - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - return STATUS_SUCCESS; -} - -static int sf_disable_write(struct rtsx_chip *chip, u8 ins) -{ - struct spi_info *spi = &(chip->spi); - int retval; - - if (!spi->write_en) - return STATUS_SUCCESS; - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, ins); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, SPI_COMMAND_BIT_8 | SPI_ADDRESS_BIT_24); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_C_MODE0); - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) { - rtsx_clear_spi_error(chip); - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - return STATUS_SUCCESS; -} - -static void sf_program(struct rtsx_chip *chip, u8 ins, u8 addr_mode, u32 addr, u16 len) -{ - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, ins); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, SPI_COMMAND_BIT_8 | SPI_ADDRESS_BIT_24); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_LENGTH0, 0xFF, (u8)len); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_LENGTH1, 0xFF, (u8)(len >> 8)); - if (addr_mode) { - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR0, 0xFF, (u8)addr); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR1, 0xFF, (u8)(addr >> 8)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR2, 0xFF, (u8)(addr >> 16)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_CADO_MODE0); - } else { - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_CDO_MODE0); - } - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); -} - -static int sf_erase(struct rtsx_chip *chip, u8 ins, u8 addr_mode, u32 addr) -{ - int retval; - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, ins); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, SPI_COMMAND_BIT_8 | SPI_ADDRESS_BIT_24); - if (addr_mode) { - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR0, 0xFF, (u8)addr); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR1, 0xFF, (u8)(addr >> 8)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR2, 0xFF, (u8)(addr >> 16)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_CA_MODE0); - } else { - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_C_MODE0); - } - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) { - rtsx_clear_spi_error(chip); - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - return STATUS_SUCCESS; -} - -static int spi_init_eeprom(struct rtsx_chip *chip) -{ - int retval; - int clk; - - if (chip->asic_code) - clk = 30; - else - clk = CLK_30; - - RTSX_WRITE_REG(chip, SPI_CLK_DIVIDER1, 0xFF, 0x00); - RTSX_WRITE_REG(chip, SPI_CLK_DIVIDER0, 0xFF, 0x27); - - retval = switch_clock(chip, clk); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - retval = select_card(chip, SPI_CARD); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - RTSX_WRITE_REG(chip, CARD_CLK_EN, SPI_CLK_EN, SPI_CLK_EN); - RTSX_WRITE_REG(chip, CARD_OE, SPI_OUTPUT_EN, SPI_OUTPUT_EN); - - wait_timeout(10); - - RTSX_WRITE_REG(chip, SPI_CONTROL, 0xFF, CS_POLARITY_HIGH | SPI_EEPROM_AUTO); - RTSX_WRITE_REG(chip, SPI_TCTL, EDO_TIMING_MASK, SAMPLE_DELAY_HALF); - - return STATUS_SUCCESS; -} - -static int spi_eeprom_program_enable(struct rtsx_chip *chip) -{ - int retval; - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, 0x86); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, 0x13); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_CA_MODE0); - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) - TRACE_RET(chip, STATUS_FAIL); - - return STATUS_SUCCESS; -} - -int spi_erase_eeprom_chip(struct rtsx_chip *chip) -{ - int retval; - - retval = spi_init_eeprom(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - retval = spi_eeprom_program_enable(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_GPIO_DIR, 0x01, 0); - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, 0x12); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, 0x84); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_CA_MODE0); - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) - TRACE_RET(chip, STATUS_FAIL); - - RTSX_WRITE_REG(chip, CARD_GPIO_DIR, 0x01, 0x01); - - return STATUS_SUCCESS; -} - -int spi_erase_eeprom_byte(struct rtsx_chip *chip, u16 addr) -{ - int retval; - - retval = spi_init_eeprom(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - retval = spi_eeprom_program_enable(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_GPIO_DIR, 0x01, 0); - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, 0x07); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR0, 0xFF, (u8)addr); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR1, 0xFF, (u8)(addr >> 8)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, 0x46); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_CA_MODE0); - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) - TRACE_RET(chip, STATUS_FAIL); - - RTSX_WRITE_REG(chip, CARD_GPIO_DIR, 0x01, 0x01); - - return STATUS_SUCCESS; -} - - -int spi_read_eeprom(struct rtsx_chip *chip, u16 addr, u8 *val) -{ - int retval; - u8 data; - - retval = spi_init_eeprom(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_GPIO_DIR, 0x01, 0); - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, 0x06); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR0, 0xFF, (u8)addr); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR1, 0xFF, (u8)(addr >> 8)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, 0x46); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_LENGTH0, 0xFF, 1); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_CADI_MODE0); - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) - TRACE_RET(chip, STATUS_FAIL); - - wait_timeout(5); - RTSX_READ_REG(chip, SPI_DATA, &data); - - if (val) - *val = data; - - RTSX_WRITE_REG(chip, CARD_GPIO_DIR, 0x01, 0x01); - - return STATUS_SUCCESS; -} - -int spi_write_eeprom(struct rtsx_chip *chip, u16 addr, u8 val) -{ - int retval; - - retval = spi_init_eeprom(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - retval = spi_eeprom_program_enable(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_GPIO_DIR, 0x01, 0); - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, 0x05); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR0, 0xFF, val); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR1, 0xFF, (u8)addr); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR2, 0xFF, (u8)(addr >> 8)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, 0x4E); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_CA_MODE0); - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) - TRACE_RET(chip, STATUS_FAIL); - - RTSX_WRITE_REG(chip, CARD_GPIO_DIR, 0x01, 0x01); - - return STATUS_SUCCESS; -} - - -int spi_get_status(struct scsi_cmnd *srb, struct rtsx_chip *chip) -{ - struct spi_info *spi = &(chip->spi); - - RTSX_DEBUGP("spi_get_status: err_code = 0x%x\n", spi->err_code); - rtsx_stor_set_xfer_buf(&(spi->err_code), min((int)scsi_bufflen(srb), 1), srb); - scsi_set_resid(srb, scsi_bufflen(srb) - 1); - - return STATUS_SUCCESS; -} - -int spi_set_parameter(struct scsi_cmnd *srb, struct rtsx_chip *chip) -{ - struct spi_info *spi = &(chip->spi); - - spi_set_err_code(chip, SPI_NO_ERR); - - if (chip->asic_code) - spi->spi_clock = ((u16)(srb->cmnd[8]) << 8) | srb->cmnd[9]; - else - spi->spi_clock = srb->cmnd[3]; - - spi->clk_div = ((u16)(srb->cmnd[4]) << 8) | srb->cmnd[5]; - spi->write_en = srb->cmnd[6]; - - RTSX_DEBUGP("spi_set_parameter: spi_clock = %d, clk_div = %d, write_en = %d\n", - spi->spi_clock, spi->clk_div, spi->write_en); - - return STATUS_SUCCESS; -} - -int spi_read_flash_id(struct scsi_cmnd *srb, struct rtsx_chip *chip) -{ - int retval; - u16 len; - u8 *buf; - - spi_set_err_code(chip, SPI_NO_ERR); - - len = ((u16)(srb->cmnd[7]) << 8) | srb->cmnd[8]; - if (len > 512) { - spi_set_err_code(chip, SPI_INVALID_COMMAND); - TRACE_RET(chip, STATUS_FAIL); - } - - retval = spi_set_init_para(chip); - if (retval != STATUS_SUCCESS) { - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER); - - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, srb->cmnd[3]); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR2, 0xFF, srb->cmnd[4]); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR1, 0xFF, srb->cmnd[5]); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR0, 0xFF, srb->cmnd[6]); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, SPI_COMMAND_BIT_8 | SPI_ADDRESS_BIT_24); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_LENGTH1, 0xFF, srb->cmnd[7]); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_LENGTH0, 0xFF, srb->cmnd[8]); - - if (len == 0) { - if (srb->cmnd[9]) { - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, - 0xFF, SPI_TRANSFER0_START | SPI_CA_MODE0); - } else { - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, - 0xFF, SPI_TRANSFER0_START | SPI_C_MODE0); - } - } else { - if (srb->cmnd[9]) { - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, - 0xFF, SPI_TRANSFER0_START | SPI_CADI_MODE0); - } else { - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, - 0xFF, SPI_TRANSFER0_START | SPI_CDI_MODE0); - } - } - - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) { - rtsx_clear_spi_error(chip); - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - if (len) { - buf = kmalloc(len, GFP_KERNEL); - if (!buf) - TRACE_RET(chip, STATUS_ERROR); - - retval = rtsx_read_ppbuf(chip, buf, len); - if (retval != STATUS_SUCCESS) { - spi_set_err_code(chip, SPI_READ_ERR); - kfree(buf); - TRACE_RET(chip, STATUS_FAIL); - } - - rtsx_stor_set_xfer_buf(buf, scsi_bufflen(srb), srb); - scsi_set_resid(srb, 0); - - kfree(buf); - } - - return STATUS_SUCCESS; -} - -int spi_read_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip) -{ - int retval; - unsigned int index = 0, offset = 0; - u8 ins, slow_read; - u32 addr; - u16 len; - u8 *buf; - - spi_set_err_code(chip, SPI_NO_ERR); - - ins = srb->cmnd[3]; - addr = ((u32)(srb->cmnd[4]) << 16) | ((u32)(srb->cmnd[5]) << 8) | srb->cmnd[6]; - len = ((u16)(srb->cmnd[7]) << 8) | srb->cmnd[8]; - slow_read = srb->cmnd[9]; - - retval = spi_set_init_para(chip); - if (retval != STATUS_SUCCESS) { - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - buf = kmalloc(SF_PAGE_LEN, GFP_KERNEL); - if (buf == NULL) - TRACE_RET(chip, STATUS_ERROR); - - while (len) { - u16 pagelen = SF_PAGE_LEN - (u8)addr; - - if (pagelen > len) - pagelen = len; - - rtsx_init_cmd(chip); - - trans_dma_enable(DMA_FROM_DEVICE, chip, 256, DMA_256); - - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, ins); - - if (slow_read) { - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR0, 0xFF, (u8)addr); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR1, 0xFF, (u8)(addr >> 8)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR2, 0xFF, (u8)(addr >> 16)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, SPI_COMMAND_BIT_8 | SPI_ADDRESS_BIT_24); - } else { - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR1, 0xFF, (u8)addr); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR2, 0xFF, (u8)(addr >> 8)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_ADDR3, 0xFF, (u8)(addr >> 16)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, SPI_COMMAND_BIT_8 | SPI_ADDRESS_BIT_32); - } - - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_LENGTH1, 0xFF, (u8)(pagelen >> 8)); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_LENGTH0, 0xFF, (u8)pagelen); - - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_CADI_MODE0); - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - rtsx_send_cmd_no_wait(chip); - - retval = rtsx_transfer_data(chip, 0, buf, pagelen, 0, DMA_FROM_DEVICE, 10000); - if (retval < 0) { - kfree(buf); - rtsx_clear_spi_error(chip); - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - rtsx_stor_access_xfer_buf(buf, pagelen, srb, &index, &offset, TO_XFER_BUF); - - addr += pagelen; - len -= pagelen; - } - - scsi_set_resid(srb, 0); - kfree(buf); - - return STATUS_SUCCESS; -} - -int spi_write_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip) -{ - int retval; - u8 ins, program_mode; - u32 addr; - u16 len; - u8 *buf; - unsigned int index = 0, offset = 0; - - spi_set_err_code(chip, SPI_NO_ERR); - - ins = srb->cmnd[3]; - addr = ((u32)(srb->cmnd[4]) << 16) | ((u32)(srb->cmnd[5]) << 8) | srb->cmnd[6]; - len = ((u16)(srb->cmnd[7]) << 8) | srb->cmnd[8]; - program_mode = srb->cmnd[9]; - - retval = spi_set_init_para(chip); - if (retval != STATUS_SUCCESS) { - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - if (program_mode == BYTE_PROGRAM) { - buf = kmalloc(4, GFP_KERNEL); - if (!buf) - TRACE_RET(chip, STATUS_ERROR); - - while (len) { - retval = sf_enable_write(chip, SPI_WREN); - if (retval != STATUS_SUCCESS) { - kfree(buf); - TRACE_RET(chip, STATUS_FAIL); - } - - rtsx_stor_access_xfer_buf(buf, 1, srb, &index, &offset, FROM_XFER_BUF); - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER); - rtsx_add_cmd(chip, WRITE_REG_CMD, PPBUF_BASE2, 0xFF, buf[0]); - sf_program(chip, ins, 1, addr, 1); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) { - kfree(buf); - rtsx_clear_spi_error(chip); - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - retval = sf_polling_status(chip, 100); - if (retval != STATUS_SUCCESS) { - kfree(buf); - TRACE_RET(chip, STATUS_FAIL); - } - - addr++; - len--; - } - - kfree(buf); - - } else if (program_mode == AAI_PROGRAM) { - int first_byte = 1; - - retval = sf_enable_write(chip, SPI_WREN); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - buf = kmalloc(4, GFP_KERNEL); - if (!buf) - TRACE_RET(chip, STATUS_ERROR); - - while (len) { - rtsx_stor_access_xfer_buf(buf, 1, srb, &index, &offset, FROM_XFER_BUF); - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER); - rtsx_add_cmd(chip, WRITE_REG_CMD, PPBUF_BASE2, 0xFF, buf[0]); - if (first_byte) { - sf_program(chip, ins, 1, addr, 1); - first_byte = 0; - } else { - sf_program(chip, ins, 0, 0, 1); - } - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval < 0) { - kfree(buf); - rtsx_clear_spi_error(chip); - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - retval = sf_polling_status(chip, 100); - if (retval != STATUS_SUCCESS) { - kfree(buf); - TRACE_RET(chip, STATUS_FAIL); - } - - len--; - } - - kfree(buf); - - retval = sf_disable_write(chip, SPI_WRDI); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - retval = sf_polling_status(chip, 100); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - } else if (program_mode == PAGE_PROGRAM) { - buf = kmalloc(SF_PAGE_LEN, GFP_KERNEL); - if (!buf) - TRACE_RET(chip, STATUS_NOMEM); - - while (len) { - u16 pagelen = SF_PAGE_LEN - (u8)addr; - - if (pagelen > len) - pagelen = len; - - retval = sf_enable_write(chip, SPI_WREN); - if (retval != STATUS_SUCCESS) { - kfree(buf); - TRACE_RET(chip, STATUS_FAIL); - } - - rtsx_init_cmd(chip); - - trans_dma_enable(DMA_TO_DEVICE, chip, 256, DMA_256); - sf_program(chip, ins, 1, addr, pagelen); - - rtsx_send_cmd_no_wait(chip); - - rtsx_stor_access_xfer_buf(buf, pagelen, srb, &index, &offset, FROM_XFER_BUF); - - retval = rtsx_transfer_data(chip, 0, buf, pagelen, 0, DMA_TO_DEVICE, 100); - if (retval < 0) { - kfree(buf); - rtsx_clear_spi_error(chip); - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - retval = sf_polling_status(chip, 100); - if (retval != STATUS_SUCCESS) { - kfree(buf); - TRACE_RET(chip, STATUS_FAIL); - } - - addr += pagelen; - len -= pagelen; - } - - kfree(buf); - } else { - spi_set_err_code(chip, SPI_INVALID_COMMAND); - TRACE_RET(chip, STATUS_FAIL); - } - - return STATUS_SUCCESS; -} - -int spi_erase_flash(struct scsi_cmnd *srb, struct rtsx_chip *chip) -{ - int retval; - u8 ins, erase_mode; - u32 addr; - - spi_set_err_code(chip, SPI_NO_ERR); - - ins = srb->cmnd[3]; - addr = ((u32)(srb->cmnd[4]) << 16) | ((u32)(srb->cmnd[5]) << 8) | srb->cmnd[6]; - erase_mode = srb->cmnd[9]; - - retval = spi_set_init_para(chip); - if (retval != STATUS_SUCCESS) { - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - if (erase_mode == PAGE_ERASE) { - retval = sf_enable_write(chip, SPI_WREN); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - retval = sf_erase(chip, ins, 1, addr); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - } else if (erase_mode == CHIP_ERASE) { - retval = sf_enable_write(chip, SPI_WREN); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - retval = sf_erase(chip, ins, 0, 0); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - } else { - spi_set_err_code(chip, SPI_INVALID_COMMAND); - TRACE_RET(chip, STATUS_FAIL); - } - - return STATUS_SUCCESS; -} - -int spi_write_flash_status(struct scsi_cmnd *srb, struct rtsx_chip *chip) -{ - int retval; - u8 ins, status, ewsr; - - ins = srb->cmnd[3]; - status = srb->cmnd[4]; - ewsr = srb->cmnd[5]; - - retval = spi_set_init_para(chip); - if (retval != STATUS_SUCCESS) { - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - retval = sf_enable_write(chip, ewsr); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - rtsx_init_cmd(chip); - - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER); - - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_COMMAND, 0xFF, ins); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_CA_NUMBER, 0xFF, SPI_COMMAND_BIT_8 | SPI_ADDRESS_BIT_24); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_LENGTH1, 0xFF, 0); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_LENGTH0, 0xFF, 1); - rtsx_add_cmd(chip, WRITE_REG_CMD, PPBUF_BASE2, 0xFF, status); - rtsx_add_cmd(chip, WRITE_REG_CMD, SPI_TRANSFER0, 0xFF, SPI_TRANSFER0_START | SPI_CDO_MODE0); - rtsx_add_cmd(chip, CHECK_REG_CMD, SPI_TRANSFER0, SPI_TRANSFER0_END, SPI_TRANSFER0_END); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval != STATUS_SUCCESS) { - rtsx_clear_spi_error(chip); - spi_set_err_code(chip, SPI_HW_ERR); - TRACE_RET(chip, STATUS_FAIL); - } - - return STATUS_SUCCESS; -} - |