Such as rk3288's pins of pmu_gpio0 are a special feature, which have no higher 16 writing corresponding bits, use common set_mux() func would introduce more code, so implement their set_mux() in each Soc's own file to reduce the size of code.
Signed-off-by: David Wu david.wu@rock-chips.com ---
Change in v3: - None
drivers/pinctrl/rockchip/pinctrl-rk3036.c | 25 +++++++++++ drivers/pinctrl/rockchip/pinctrl-rk3128.c | 37 +++++++++++++++++ drivers/pinctrl/rockchip/pinctrl-rk3188.c | 25 +++++++++++ drivers/pinctrl/rockchip/pinctrl-rk322x.c | 34 +++++++++++++++ drivers/pinctrl/rockchip/pinctrl-rk3288.c | 35 +++++++++++++++- drivers/pinctrl/rockchip/pinctrl-rk3328.c | 37 +++++++++++++++++ drivers/pinctrl/rockchip/pinctrl-rk3368.c | 25 +++++++++++ drivers/pinctrl/rockchip/pinctrl-rk3399.c | 34 +++++++++++++++ .../pinctrl/rockchip/pinctrl-rockchip-core.c | 41 +++++-------------- drivers/pinctrl/rockchip/pinctrl-rockchip.h | 8 ++++ drivers/pinctrl/rockchip/pinctrl-rv1108.c | 28 +++++++++++++ 11 files changed, 297 insertions(+), 32 deletions(-)
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3036.c b/drivers/pinctrl/rockchip/pinctrl-rk3036.c index 2a651cd9b8..8969aea2e3 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3036.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3036.c @@ -11,6 +11,30 @@
#include "pinctrl-rockchip.h"
+static int rk3036_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) +{ + struct rockchip_pinctrl_priv *priv = bank->priv; + int iomux_num = (pin / 8); + struct regmap *regmap; + int reg, ret, mask, mux_type; + u8 bit; + u32 data; + + regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + ? priv->regmap_pmu : priv->regmap_base; + + /* get basic quadrupel of mux registers and the correct reg inside */ + mux_type = bank->iomux[iomux_num].type; + reg = bank->iomux[iomux_num].offset; + reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask); + + data = (mask << (bit + 16)); + data |= (mux & mask) << bit; + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RK3036_PULL_OFFSET 0x118 #define RK3036_PULL_PINS_PER_REG 16 #define RK3036_PULL_BANK_STRIDE 8 @@ -41,6 +65,7 @@ static struct rockchip_pin_ctrl rk3036_pin_ctrl = { .label = "RK3036-GPIO", .type = RK3036, .grf_mux_offset = 0xa8, + .set_mux = rk3036_set_mux, .pull_calc_reg = rk3036_calc_pull_reg_and_bit, };
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3128.c b/drivers/pinctrl/rockchip/pinctrl-rk3128.c index 43a6c173a0..de203334c7 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3128.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3128.c @@ -98,6 +98,42 @@ static struct rockchip_mux_route_data rk3128_mux_route_data[] = { }, };
+static int rk3128_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) +{ + struct rockchip_pinctrl_priv *priv = bank->priv; + int iomux_num = (pin / 8); + struct regmap *regmap; + int reg, ret, mask, mux_type; + u8 bit; + u32 data, route_reg, route_val; + + regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + ? priv->regmap_pmu : priv->regmap_base; + + /* get basic quadrupel of mux registers and the correct reg inside */ + mux_type = bank->iomux[iomux_num].type; + reg = bank->iomux[iomux_num].offset; + reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask); + + if (bank->recalced_mask & BIT(pin)) + rockchip_get_recalced_mux(bank, pin, ®, &bit, &mask); + + if (bank->route_mask & BIT(pin)) { + if (rockchip_get_mux_route(bank, pin, mux, &route_reg, + &route_val)) { + ret = regmap_write(regmap, route_reg, route_val); + if (ret) + return ret; + } + } + + data = (mask << (bit + 16)); + data |= (mux & mask) << bit; + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RK3128_PULL_OFFSET 0x118 #define RK3128_PULL_PINS_PER_REG 16 #define RK3128_PULL_BANK_STRIDE 8 @@ -133,6 +169,7 @@ static struct rockchip_pin_ctrl rk3128_pin_ctrl = { .niomux_recalced = ARRAY_SIZE(rk3128_mux_recalced_data), .iomux_routes = rk3128_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3128_mux_route_data), + .set_mux = rk3128_set_mux, .pull_calc_reg = rk3128_calc_pull_reg_and_bit, };
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3188.c b/drivers/pinctrl/rockchip/pinctrl-rk3188.c index 7cc52c0075..617ae28ac8 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3188.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3188.c @@ -11,6 +11,30 @@
#include "pinctrl-rockchip.h"
+static int rk3188_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) +{ + struct rockchip_pinctrl_priv *priv = bank->priv; + int iomux_num = (pin / 8); + struct regmap *regmap; + int reg, ret, mask, mux_type; + u8 bit; + u32 data; + + regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + ? priv->regmap_pmu : priv->regmap_base; + + /* get basic quadrupel of mux registers and the correct reg inside */ + mux_type = bank->iomux[iomux_num].type; + reg = bank->iomux[iomux_num].offset; + reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask); + + data = (mask << (bit + 16)); + data |= (mux & mask) << bit; + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RK3188_PULL_OFFSET 0x164 #define RK3188_PULL_PMU_OFFSET 0x64
@@ -60,6 +84,7 @@ static struct rockchip_pin_ctrl rk3188_pin_ctrl = { .label = "RK3188-GPIO", .type = RK3188, .grf_mux_offset = 0x60, + .set_mux = rk3188_set_mux, .pull_calc_reg = rk3188_calc_pull_reg_and_bit, };
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk322x.c b/drivers/pinctrl/rockchip/pinctrl-rk322x.c index d67b48a06a..442c40ce0b 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk322x.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk322x.c @@ -141,6 +141,39 @@ static struct rockchip_mux_route_data rk3228_mux_route_data[] = { }, };
+static int rk3228_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) +{ + struct rockchip_pinctrl_priv *priv = bank->priv; + int iomux_num = (pin / 8); + struct regmap *regmap; + int reg, ret, mask, mux_type; + u8 bit; + u32 data, route_reg, route_val; + + regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + ? priv->regmap_pmu : priv->regmap_base; + + /* get basic quadrupel of mux registers and the correct reg inside */ + mux_type = bank->iomux[iomux_num].type; + reg = bank->iomux[iomux_num].offset; + reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask); + + if (bank->route_mask & BIT(pin)) { + if (rockchip_get_mux_route(bank, pin, mux, &route_reg, + &route_val)) { + ret = regmap_write(regmap, route_reg, route_val); + if (ret) + return ret; + } + } + + data = (mask << (bit + 16)); + data |= (mux & mask) << bit; + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RK3228_PULL_OFFSET 0x100
static void rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, @@ -190,6 +223,7 @@ static struct rockchip_pin_ctrl rk3228_pin_ctrl = { .grf_mux_offset = 0x0, .iomux_routes = rk3228_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3228_mux_route_data), + .set_mux = rk3228_set_mux, .pull_calc_reg = rk3228_calc_pull_reg_and_bit, .drv_calc_reg = rk3228_calc_drv_reg_and_bit, }; diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3288.c b/drivers/pinctrl/rockchip/pinctrl-rk3288.c index 3648f37207..1fa601d954 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3288.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3288.c @@ -7,7 +7,6 @@ #include <dm.h> #include <dm/pinctrl.h> #include <regmap.h> -#include <syscon.h>
#include "pinctrl-rockchip.h"
@@ -29,6 +28,39 @@ static struct rockchip_mux_route_data rk3288_mux_route_data[] = { }, };
+static int rk3288_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) +{ + struct rockchip_pinctrl_priv *priv = bank->priv; + int iomux_num = (pin / 8); + struct regmap *regmap; + int reg, ret, mask, mux_type; + u8 bit; + u32 data, route_reg, route_val; + + regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + ? priv->regmap_pmu : priv->regmap_base; + + /* get basic quadrupel of mux registers and the correct reg inside */ + mux_type = bank->iomux[iomux_num].type; + reg = bank->iomux[iomux_num].offset; + reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask); + + if (bank->route_mask & BIT(pin)) { + if (rockchip_get_mux_route(bank, pin, mux, &route_reg, + &route_val)) { + ret = regmap_write(regmap, route_reg, route_val); + if (ret) + return ret; + } + } + + data = (mask << (bit + 16)); + data |= (mux & mask) << bit; + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RK3288_PULL_OFFSET 0x140 #define RK3288_PULL_PMU_OFFSET 0x64
@@ -132,6 +164,7 @@ static struct rockchip_pin_ctrl rk3288_pin_ctrl = { .pmu_mux_offset = 0x84, .iomux_routes = rk3288_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3288_mux_route_data), + .set_mux = rk3288_set_mux, .pull_calc_reg = rk3288_calc_pull_reg_and_bit, .drv_calc_reg = rk3288_calc_drv_reg_and_bit, }; diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3328.c b/drivers/pinctrl/rockchip/pinctrl-rk3328.c index ab634c1123..de21fba69c 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3328.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3328.c @@ -121,6 +121,42 @@ static struct rockchip_mux_route_data rk3328_mux_route_data[] = { }, };
+static int rk3328_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) +{ + struct rockchip_pinctrl_priv *priv = bank->priv; + int iomux_num = (pin / 8); + struct regmap *regmap; + int reg, ret, mask, mux_type; + u8 bit; + u32 data, route_reg, route_val; + + regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + ? priv->regmap_pmu : priv->regmap_base; + + /* get basic quadrupel of mux registers and the correct reg inside */ + mux_type = bank->iomux[iomux_num].type; + reg = bank->iomux[iomux_num].offset; + reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask); + + if (bank->recalced_mask & BIT(pin)) + rockchip_get_recalced_mux(bank, pin, ®, &bit, &mask); + + if (bank->route_mask & BIT(pin)) { + if (rockchip_get_mux_route(bank, pin, mux, &route_reg, + &route_val)) { + ret = regmap_write(regmap, route_reg, route_val); + if (ret) + return ret; + } + } + + data = (mask << (bit + 16)); + data |= (mux & mask) << bit; + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RK3328_PULL_OFFSET 0x100
static void rk3328_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, @@ -201,6 +237,7 @@ static struct rockchip_pin_ctrl rk3328_pin_ctrl = { .niomux_recalced = ARRAY_SIZE(rk3328_mux_recalced_data), .iomux_routes = rk3328_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3328_mux_route_data), + .set_mux = rk3328_set_mux, .pull_calc_reg = rk3328_calc_pull_reg_and_bit, .drv_calc_reg = rk3328_calc_drv_reg_and_bit, .schmitt_calc_reg = rk3328_calc_schmitt_reg_and_bit, diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3368.c b/drivers/pinctrl/rockchip/pinctrl-rk3368.c index 8bdaf5e4d2..c1f692a1cf 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3368.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3368.c @@ -11,6 +11,30 @@
#include "pinctrl-rockchip.h"
+static int rk3368_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) +{ + struct rockchip_pinctrl_priv *priv = bank->priv; + int iomux_num = (pin / 8); + struct regmap *regmap; + int reg, ret, mask, mux_type; + u8 bit; + u32 data; + + regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + ? priv->regmap_pmu : priv->regmap_base; + + /* get basic quadrupel of mux registers and the correct reg inside */ + mux_type = bank->iomux[iomux_num].type; + reg = bank->iomux[iomux_num].offset; + reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask); + + data = (mask << (bit + 16)); + data |= (mux & mask) << bit; + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RK3368_PULL_GRF_OFFSET 0x100 #define RK3368_PULL_PMU_OFFSET 0x10
@@ -91,6 +115,7 @@ static struct rockchip_pin_ctrl rk3368_pin_ctrl = { .type = RK3368, .grf_mux_offset = 0x0, .pmu_mux_offset = 0x0, + .set_mux = rk3368_set_mux, .pull_calc_reg = rk3368_calc_pull_reg_and_bit, .drv_calc_reg = rk3368_calc_drv_reg_and_bit, }; diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3399.c b/drivers/pinctrl/rockchip/pinctrl-rk3399.c index 06276b14ef..9e8dc2ef82 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3399.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3399.c @@ -50,6 +50,39 @@ static struct rockchip_mux_route_data rk3399_mux_route_data[] = { }, };
+static int rk3399_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) +{ + struct rockchip_pinctrl_priv *priv = bank->priv; + int iomux_num = (pin / 8); + struct regmap *regmap; + int reg, ret, mask, mux_type; + u8 bit; + u32 data, route_reg, route_val; + + regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + ? priv->regmap_pmu : priv->regmap_base; + + /* get basic quadrupel of mux registers and the correct reg inside */ + mux_type = bank->iomux[iomux_num].type; + reg = bank->iomux[iomux_num].offset; + reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask); + + if (bank->route_mask & BIT(pin)) { + if (rockchip_get_mux_route(bank, pin, mux, &route_reg, + &route_val)) { + ret = regmap_write(regmap, route_reg, route_val); + if (ret) + return ret; + } + } + + data = (mask << (bit + 16)); + data |= (mux & mask) << bit; + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RK3399_PULL_GRF_OFFSET 0xe040 #define RK3399_PULL_PMU_OFFSET 0x40
@@ -168,6 +201,7 @@ static struct rockchip_pin_ctrl rk3399_pin_ctrl = { .pmu_drv_offset = 0x80, .iomux_routes = rk3399_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3399_mux_route_data), + .set_mux = rk3399_set_mux, .pull_calc_reg = rk3399_calc_pull_reg_and_bit, .drv_calc_reg = rk3399_calc_drv_reg_and_bit, }; diff --git a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c index 77ac981c40..355fa6c8ad 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c +++ b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c @@ -35,8 +35,8 @@ static int rockchip_verify_config(struct udevice *dev, u32 bank, u32 pin) return 0; }
-static void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin, - int *reg, u8 *bit, int *mask) +void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin, + int *reg, u8 *bit, int *mask) { struct rockchip_pinctrl_priv *priv = bank->priv; struct rockchip_pin_ctrl *ctrl = priv->ctrl; @@ -58,8 +58,8 @@ static void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin, *bit = data->bit; }
-static bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin, - int mux, u32 *reg, u32 *value) +bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin, + int mux, u32 *reg, u32 *value) { struct rockchip_pinctrl_priv *priv = bank->priv; struct rockchip_pin_ctrl *ctrl = priv->ctrl; @@ -82,7 +82,7 @@ static bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin, return true; }
-static int rockchip_get_mux_data(int mux_type, int pin, u8 *bit, int *mask) +int rockchip_get_mux_data(int mux_type, int pin, u8 *bit, int *mask) { int offset = 0;
@@ -193,11 +193,9 @@ static int rockchip_verify_mux(struct rockchip_pin_bank *bank, static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) { struct rockchip_pinctrl_priv *priv = bank->priv; + struct rockchip_pin_ctrl *ctrl = priv->ctrl; int iomux_num = (pin / 8); - struct regmap *regmap; - int reg, ret, mask, mux_type; - u8 bit; - u32 data, route_reg, route_val; + int ret;
ret = rockchip_verify_mux(bank, pin, mux); if (ret < 0) @@ -208,29 +206,10 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
debug("setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux);
- regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) - ? priv->regmap_pmu : priv->regmap_base; - - /* get basic quadrupel of mux registers and the correct reg inside */ - mux_type = bank->iomux[iomux_num].type; - reg = bank->iomux[iomux_num].offset; - reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask); - - if (bank->recalced_mask & BIT(pin)) - rockchip_get_recalced_mux(bank, pin, ®, &bit, &mask); - - if (bank->route_mask & BIT(pin)) { - if (rockchip_get_mux_route(bank, pin, mux, &route_reg, - &route_val)) { - ret = regmap_write(regmap, route_reg, route_val); - if (ret) - return ret; - } - } + if (!ctrl->set_mux) + return -ENOTSUPP;
- data = (mask << (bit + 16)); - data |= (mux & mask) << bit; - ret = regmap_write(regmap, reg, data); + ret = ctrl->set_mux(bank, pin, mux);
return ret; } diff --git a/drivers/pinctrl/rockchip/pinctrl-rockchip.h b/drivers/pinctrl/rockchip/pinctrl-rockchip.h index bc809630c1..db89b49238 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rockchip.h +++ b/drivers/pinctrl/rockchip/pinctrl-rockchip.h @@ -277,6 +277,9 @@ struct rockchip_pin_ctrl { struct rockchip_mux_route_data *iomux_routes; u32 niomux_routes;
+ int (*set_mux)(struct rockchip_pin_bank *bank, + int pin, int mux); + void (*pull_calc_reg)(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit); @@ -298,5 +301,10 @@ struct rockchip_pinctrl_priv {
extern const struct pinctrl_ops rockchip_pinctrl_ops; int rockchip_pinctrl_probe(struct udevice *dev); +void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin, + int *reg, u8 *bit, int *mask); +bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin, + int mux, u32 *reg, u32 *value); +int rockchip_get_mux_data(int mux_type, int pin, u8 *bit, int *mask);
#endif /* __DRIVERS_PINCTRL_ROCKCHIP_H */ diff --git a/drivers/pinctrl/rockchip/pinctrl-rv1108.c b/drivers/pinctrl/rockchip/pinctrl-rv1108.c index f4a09a6824..c28b504634 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rv1108.c +++ b/drivers/pinctrl/rockchip/pinctrl-rv1108.c @@ -75,6 +75,33 @@ static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = { }, };
+static int rv1108_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) +{ + struct rockchip_pinctrl_priv *priv = bank->priv; + int iomux_num = (pin / 8); + struct regmap *regmap; + int reg, ret, mask, mux_type; + u8 bit; + u32 data; + + regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + ? priv->regmap_pmu : priv->regmap_base; + + /* get basic quadrupel of mux registers and the correct reg inside */ + mux_type = bank->iomux[iomux_num].type; + reg = bank->iomux[iomux_num].offset; + reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask); + + if (bank->recalced_mask & BIT(pin)) + rockchip_get_recalced_mux(bank, pin, ®, &bit, &mask); + + data = (mask << (bit + 16)); + data |= (mux & mask) << bit; + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RV1108_PULL_PMU_OFFSET 0x10 #define RV1108_PULL_OFFSET 0x110
@@ -177,6 +204,7 @@ static struct rockchip_pin_ctrl rv1108_pin_ctrl = { .pmu_mux_offset = 0x0, .iomux_recalced = rv1108_mux_recalced_data, .niomux_recalced = ARRAY_SIZE(rv1108_mux_recalced_data), + .set_mux = rv1108_set_mux, .pull_calc_reg = rv1108_calc_pull_reg_and_bit, .drv_calc_reg = rv1108_calc_drv_reg_and_bit, .schmitt_calc_reg = rv1108_calc_schmitt_reg_and_bit,