21 #include <linux/regmap.h>
86 	struct regmap *regmap;  member
91 static int zl38_fw_issue_command(struct regmap *regmap, u16 cmd)  in zl38_fw_issue_command()  argument
96 	err = regmap_read_poll_timeout(regmap, REG_SEMA_FLAGS, val,  in zl38_fw_issue_command()
101 	err = regmap_write(regmap, REG_CMD, cmd);  in zl38_fw_issue_command()
104 	err = regmap_update_bits(regmap, REG_SEMA_FLAGS, SEMA_FLAGS_BOOT_CMD,  in zl38_fw_issue_command()
109 	return regmap_read_poll_timeout(regmap, REG_CMD, val, !val, 10000,  in zl38_fw_issue_command()
113 static int zl38_fw_go(struct regmap *regmap)  in zl38_fw_go()  argument
117 	err = zl38_fw_issue_command(regmap, BOOTCMD_LOAD_COMPLETE);  in zl38_fw_go()
121 	return zl38_fw_issue_command(regmap, BOOTCMD_FW_GO);  in zl38_fw_go()
124 static int zl38_fw_enter_boot_mode(struct regmap *regmap)  in zl38_fw_enter_boot_mode()  argument
129 	err = regmap_update_bits(regmap, REG_CLK_STATUS, CLK_STATUS_HWRST,  in zl38_fw_enter_boot_mode()
134 	return regmap_read_poll_timeout(regmap, REG_PARAM_RESULT, val,  in zl38_fw_enter_boot_mode()
139 zl38_fw_send_data(struct regmap *regmap, u32 addr, const void *data, u16 len)  in zl38_fw_send_data()  argument
144 	err = regmap_raw_write(regmap, REG_PG255_BASE_HI, &addr_base,  in zl38_fw_send_data()
148 	return regmap_raw_write(regmap, REG_PG255_OFFS(addr), data, len);  in zl38_fw_send_data()
151 static int zl38_fw_send_xaddr(struct regmap *regmap, const void *data)  in zl38_fw_send_xaddr()  argument
159 	return regmap_raw_write(regmap, REG_FWR_EXEC, &baddr, sizeof(baddr));  in zl38_fw_send_xaddr()
162 static int zl38_load_firmware(struct device *dev, struct regmap *regmap)  in zl38_load_firmware()  argument
181 	err = zl38_fw_enter_boot_mode(regmap);  in zl38_load_firmware()
190 			err = zl38_fw_send_data(regmap, addr, rec->data, len);  in zl38_load_firmware()
193 			err = zl38_fw_send_xaddr(regmap, rec->data);  in zl38_load_firmware()
202 	err = zl38_fw_go(regmap);  in zl38_load_firmware()
210 static int zl38_software_reset(struct regmap *regmap)  in zl38_software_reset()  argument
215 	err = regmap_update_bits(regmap, REG_SEMA_FLAGS, SEMA_FLAGS_APP_REBOOT,  in zl38_software_reset()
227 	return regmap_read_poll_timeout(regmap, REG_SEMA_FLAGS, val,  in zl38_software_reset()
256 		err = regmap_update_bits(priv->regmap, REG_TDMA_CFG_CLK,  in zl38_set_fmt()
300 	err = regmap_update_bits(priv->regmap, REG_TDMA_CFG_CLK,  in zl38_hw_params()
306 	err = zl38_software_reset(priv->regmap);  in zl38_hw_params()
392 	struct regmap *regmap = gpiochip_get_data(c);  in chip_gpio_set()  local
395 	regmap_update_bits(regmap, REG_GPIO_DAT, mask, val ? mask : 0);  in chip_gpio_set()
400 	struct regmap *regmap = gpiochip_get_data(c);  in chip_gpio_get()  local
405 	err = regmap_read(regmap, REG_GPIO_DAT, &val);  in chip_gpio_get()
414 	struct regmap *regmap = gpiochip_get_data(c);  in chip_direction_input()  local
417 	return regmap_update_bits(regmap, REG_GPIO_DIR, mask, 0);  in chip_direction_input()
423 	struct regmap *regmap = gpiochip_get_data(c);  in chip_direction_output()  local
427 	return regmap_update_bits(regmap, REG_GPIO_DIR, mask, mask);  in chip_direction_output()
444 static int zl38_check_revision(struct device *dev, struct regmap *regmap)  in zl38_check_revision()  argument
450 	err = regmap_read(regmap, REG_HW_REV, &hwrev);  in zl38_check_revision()
453 	err = regmap_read(regmap, REG_FW_PROD, &fwprod);  in zl38_check_revision()
456 	err = regmap_read(regmap, REG_FW_REV, &fwrev);  in zl38_check_revision()
574 	priv->regmap = devm_regmap_init(dev, &zl38_regmap_bus, spi,  in zl38_spi_probe()
576 	if (IS_ERR(priv->regmap))  in zl38_spi_probe()
577 		return PTR_ERR(priv->regmap);  in zl38_spi_probe()
579 	err = zl38_load_firmware(dev, priv->regmap);  in zl38_spi_probe()
583 	err = zl38_check_revision(dev, priv->regmap);  in zl38_spi_probe()
592 	err = devm_gpiochip_add_data(dev, priv->gpio_chip, priv->regmap);  in zl38_spi_probe()
597 	err = regmap_multi_reg_write(priv->regmap, cp_config_stereo_bypass,  in zl38_spi_probe()
602 	err = regmap_update_bits(priv->regmap, REG_CLK_CFG, CLK_CFG_SOURCE_XTAL,  in zl38_spi_probe()