diff options
Diffstat (limited to 'zephyr/emul/emul_tcs3400.c')
| -rw-r--r-- | zephyr/emul/emul_tcs3400.c | 254 |
1 files changed, 119 insertions, 135 deletions
diff --git a/zephyr/emul/emul_tcs3400.c b/zephyr/emul/emul_tcs3400.c index 15a1bbe9c7..e87deebc35 100644 --- a/zephyr/emul/emul_tcs3400.c +++ b/zephyr/emul/emul_tcs3400.c @@ -1,4 +1,4 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. +/* Copyright 2021 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -13,17 +13,14 @@ LOG_MODULE_REGISTER(emul_tcs); #include <zephyr/drivers/emul.h> #include <zephyr/drivers/i2c.h> #include <zephyr/drivers/i2c_emul.h> -#include <ztest.h> +#include <zephyr/ztest.h> #include "emul/emul_common_i2c.h" #include "emul/emul_tcs3400.h" +#include "emul/emul_stub_device.h" #include "driver/als_tcs3400.h" -#define TCS_DATA_FROM_I2C_EMUL(_emul) \ - CONTAINER_OF(CONTAINER_OF(_emul, struct i2c_common_emul_data, emul), \ - struct tcs_emul_data, common) - /** Run-time data used by the emulator */ struct tcs_emul_data { /** Common I2C data */ @@ -64,7 +61,7 @@ struct tcs_emul_data { }; /** Check description in emul_tcs3400.h */ -void tcs_emul_set_reg(struct i2c_emul *emul, int reg, uint8_t val) +void tcs_emul_set_reg(const struct emul *emul, int reg, uint8_t val) { struct tcs_emul_data *data; @@ -73,12 +70,12 @@ void tcs_emul_set_reg(struct i2c_emul *emul, int reg, uint8_t val) } reg -= TCS_EMUL_FIRST_REG; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; data->reg[reg] = val; } /** Check description in emul_tcs3400.h */ -uint8_t tcs_emul_get_reg(struct i2c_emul *emul, int reg) +uint8_t tcs_emul_get_reg(const struct emul *emul, int reg) { struct tcs_emul_data *data; @@ -86,18 +83,18 @@ uint8_t tcs_emul_get_reg(struct i2c_emul *emul, int reg) return 0; } - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; reg -= TCS_EMUL_FIRST_REG; return data->reg[reg]; } /** Check description in emul_tcs3400.h */ -int tcs_emul_get_val(struct i2c_emul *emul, enum tcs_emul_axis axis) +int tcs_emul_get_val(const struct emul *emul, enum tcs_emul_axis axis) { struct tcs_emul_data *data; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; switch (axis) { case TCS_EMUL_R: @@ -116,11 +113,11 @@ int tcs_emul_get_val(struct i2c_emul *emul, enum tcs_emul_axis axis) } /** Check description in emul_tcs3400.h */ -void tcs_emul_set_val(struct i2c_emul *emul, enum tcs_emul_axis axis, int val) +void tcs_emul_set_val(const struct emul *emul, enum tcs_emul_axis axis, int val) { struct tcs_emul_data *data; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; switch (axis) { case TCS_EMUL_R: @@ -142,59 +139,59 @@ void tcs_emul_set_val(struct i2c_emul *emul, enum tcs_emul_axis axis, int val) } /** Check description in emul_tcs3400.h */ -void tcs_emul_set_err_on_ro_write(struct i2c_emul *emul, bool set) +void tcs_emul_set_err_on_ro_write(const struct emul *emul, bool set) { struct tcs_emul_data *data; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; data->error_on_ro_write = set; } /** Check description in emul_tcs3400.h */ -void tcs_emul_set_err_on_rsvd_write(struct i2c_emul *emul, bool set) +void tcs_emul_set_err_on_rsvd_write(const struct emul *emul, bool set) { struct tcs_emul_data *data; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; data->error_on_rsvd_write = set; } /** Check description in emul_tcs3400.h */ -void tcs_emul_set_err_on_msb_first(struct i2c_emul *emul, bool set) +void tcs_emul_set_err_on_msb_first(const struct emul *emul, bool set) { struct tcs_emul_data *data; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; data->error_on_msb_first = set; } /** Mask reserved bits in registers of TCS3400 */ static const uint8_t tcs_emul_rsvd_mask[] = { - [TCS_I2C_ENABLE - TCS_EMUL_FIRST_REG] = 0xa4, - [TCS_I2C_ATIME - TCS_EMUL_FIRST_REG] = 0x00, - [0x2] = 0xff, /* Reserved */ - [TCS_I2C_WTIME - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_AILTL - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_AILTH - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_AIHTL - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_AIHTH - TCS_EMUL_FIRST_REG] = 0x00, - [0x8 ... 0xb] = 0xff, /* Reserved */ - [TCS_I2C_PERS - TCS_EMUL_FIRST_REG] = 0xf0, - [TCS_I2C_CONFIG - TCS_EMUL_FIRST_REG] = 0x81, - [0xe] = 0xff, /* Reserved */ - [TCS_I2C_CONTROL - TCS_EMUL_FIRST_REG] = 0xfc, - [TCS_I2C_AUX - TCS_EMUL_FIRST_REG] = 0xdf, - [TCS_I2C_REVID - TCS_EMUL_FIRST_REG] = 0xf0, - [TCS_I2C_ID - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_STATUS - TCS_EMUL_FIRST_REG] = 0x6e, - [TCS_I2C_CDATAL - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_CDATAH - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_RDATAL - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_RDATAH - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_GDATAL - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_GDATAH - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_BDATAL - TCS_EMUL_FIRST_REG] = 0x00, - [TCS_I2C_BDATAH - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_ENABLE - TCS_EMUL_FIRST_REG] = 0xa4, + [TCS_I2C_ATIME - TCS_EMUL_FIRST_REG] = 0x00, + [0x2] = 0xff, /* Reserved */ + [TCS_I2C_WTIME - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_AILTL - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_AILTH - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_AIHTL - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_AIHTH - TCS_EMUL_FIRST_REG] = 0x00, + [0x8 ... 0xb] = 0xff, /* Reserved */ + [TCS_I2C_PERS - TCS_EMUL_FIRST_REG] = 0xf0, + [TCS_I2C_CONFIG - TCS_EMUL_FIRST_REG] = 0x81, + [0xe] = 0xff, /* Reserved */ + [TCS_I2C_CONTROL - TCS_EMUL_FIRST_REG] = 0xfc, + [TCS_I2C_AUX - TCS_EMUL_FIRST_REG] = 0xdf, + [TCS_I2C_REVID - TCS_EMUL_FIRST_REG] = 0xf0, + [TCS_I2C_ID - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_STATUS - TCS_EMUL_FIRST_REG] = 0x6e, + [TCS_I2C_CDATAL - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_CDATAH - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_RDATAL - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_RDATAH - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_GDATAL - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_GDATAH - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_BDATAL - TCS_EMUL_FIRST_REG] = 0x00, + [TCS_I2C_BDATAH - TCS_EMUL_FIRST_REG] = 0x00, }; /** @@ -202,34 +199,34 @@ static const uint8_t tcs_emul_rsvd_mask[] = { * * @param emul Pointer to TCS3400 emulator */ -static void tcs_emul_reset(struct i2c_emul *emul) +static void tcs_emul_reset(const struct emul *emul) { struct tcs_emul_data *data; - data = TCS_DATA_FROM_I2C_EMUL(emul); - - data->reg[TCS_I2C_ENABLE - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_ATIME - TCS_EMUL_FIRST_REG] = 0xff; - data->reg[TCS_I2C_WTIME - TCS_EMUL_FIRST_REG] = 0xff; - data->reg[TCS_I2C_AILTL - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_AILTH - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_AIHTL - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_AIHTH - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_PERS - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_CONFIG - TCS_EMUL_FIRST_REG] = 0x40; + data = emul->data; + + data->reg[TCS_I2C_ENABLE - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_ATIME - TCS_EMUL_FIRST_REG] = 0xff; + data->reg[TCS_I2C_WTIME - TCS_EMUL_FIRST_REG] = 0xff; + data->reg[TCS_I2C_AILTL - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_AILTH - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_AIHTL - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_AIHTH - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_PERS - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_CONFIG - TCS_EMUL_FIRST_REG] = 0x40; data->reg[TCS_I2C_CONTROL - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_AUX - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_REVID - TCS_EMUL_FIRST_REG] = data->revision; - data->reg[TCS_I2C_ID - TCS_EMUL_FIRST_REG] = data->id; - data->reg[TCS_I2C_STATUS - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_CDATAL - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_CDATAH - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_RDATAL - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_RDATAH - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_GDATAL - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_GDATAH - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_BDATAL - TCS_EMUL_FIRST_REG] = 0x00; - data->reg[TCS_I2C_BDATAH - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_AUX - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_REVID - TCS_EMUL_FIRST_REG] = data->revision; + data->reg[TCS_I2C_ID - TCS_EMUL_FIRST_REG] = data->id; + data->reg[TCS_I2C_STATUS - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_CDATAL - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_CDATAH - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_RDATAL - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_RDATAH - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_GDATAL - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_GDATAH - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_BDATAL - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_BDATAH - TCS_EMUL_FIRST_REG] = 0x00; data->ir_select = false; } @@ -274,13 +271,13 @@ static int tcs_emul_get_cycles(uint8_t atime) * * @param emul Pointer to TCS3400 emulator */ -static void tcs_emul_clear_int(struct i2c_emul *emul) +static void tcs_emul_clear_int(const struct emul *emul) { struct tcs_emul_data *data; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; - data->reg[TCS_I2C_STATUS - TCS_EMUL_FIRST_REG] = 0x00; + data->reg[TCS_I2C_STATUS - TCS_EMUL_FIRST_REG] = 0x00; } /** @@ -296,12 +293,12 @@ static void tcs_emul_clear_int(struct i2c_emul *emul) * @return 0 on success * @return -EIO on error */ -static int tcs_emul_handle_write(struct i2c_emul *emul, int reg, int bytes) +static int tcs_emul_handle_write(const struct emul *emul, int reg, int bytes) { struct tcs_emul_data *data; uint8_t val; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; /* This write only selected register for I2C read message */ if (bytes < 2) { @@ -388,7 +385,7 @@ static int tcs_emul_handle_write(struct i2c_emul *emul, int reg, int bytes) * @return 0 on success * @return -EIO when accessing MSB before LSB */ -static int tcs_emul_get_reg_val(struct i2c_emul *emul, int reg, +static int tcs_emul_get_reg_val(const struct emul *emul, int reg, bool *lsb_read, bool lsb, unsigned int val) { struct tcs_emul_data *data; @@ -398,7 +395,7 @@ static int tcs_emul_get_reg_val(struct i2c_emul *emul, int reg, int cycles; int gain; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; if (lsb) { *lsb_read = 1; @@ -418,10 +415,10 @@ static int tcs_emul_get_reg_val(struct i2c_emul *emul, int reg, lsb_reg = (reg - TCS_EMUL_FIRST_REG) & ~(0x1); msb_reg = (reg - TCS_EMUL_FIRST_REG) | 0x1; - gain = tcs_emul_get_gain(data->reg[TCS_I2C_CONTROL - - TCS_EMUL_FIRST_REG]); - cycles = tcs_emul_get_cycles(data->reg[TCS_I2C_ATIME - - TCS_EMUL_FIRST_REG]); + gain = tcs_emul_get_gain( + data->reg[TCS_I2C_CONTROL - TCS_EMUL_FIRST_REG]); + cycles = tcs_emul_get_cycles( + data->reg[TCS_I2C_ATIME - TCS_EMUL_FIRST_REG]); /* * Internal value is with 256 cycles and x64 gain, so divide it to get * registers value @@ -452,14 +449,14 @@ static int tcs_emul_get_reg_val(struct i2c_emul *emul, int reg, * @return 0 on success * @return -EIO on error */ -static int tcs_emul_handle_read(struct i2c_emul *emul, int reg, uint8_t *buf, +static int tcs_emul_handle_read(const struct emul *emul, int reg, uint8_t *buf, int bytes) { struct tcs_emul_data *data; unsigned int c_ir; int ret; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; reg += bytes; @@ -487,12 +484,12 @@ static int tcs_emul_handle_read(struct i2c_emul *emul, int reg, uint8_t *buf, break; case TCS_I2C_RDATAL: /* Shouldn't fail for LSB */ - ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_r_read, - true, data->red); + ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_r_read, true, + data->red); break; case TCS_I2C_RDATAH: - ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_r_read, - false, data->red); + ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_r_read, false, + data->red); if (ret) { LOG_ERR("MSB R read before LSB R"); return -EIO; @@ -500,12 +497,12 @@ static int tcs_emul_handle_read(struct i2c_emul *emul, int reg, uint8_t *buf, break; case TCS_I2C_GDATAL: /* Shouldn't fail for LSB */ - ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_g_read, - true, data->green); + ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_g_read, true, + data->green); break; case TCS_I2C_GDATAH: - ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_g_read, - false, data->green); + ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_g_read, false, + data->green); if (ret) { LOG_ERR("MSB G read before LSB G"); return -EIO; @@ -513,12 +510,12 @@ static int tcs_emul_handle_read(struct i2c_emul *emul, int reg, uint8_t *buf, break; case TCS_I2C_BDATAL: /* Shouldn't fail for LSB */ - ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_b_read, - true, data->blue); + ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_b_read, true, + data->blue); break; case TCS_I2C_BDATAH: - ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_b_read, - false, data->blue); + ret = tcs_emul_get_reg_val(emul, reg, &data->lsb_b_read, false, + data->blue); if (ret) { LOG_ERR("MSB B read before LSB B"); return -EIO; @@ -547,12 +544,12 @@ static int tcs_emul_handle_read(struct i2c_emul *emul, int reg, uint8_t *buf, * @return 0 on success * @return -EIO on error */ -static int tcs_emul_write_byte(struct i2c_emul *emul, int reg, uint8_t val, +static int tcs_emul_write_byte(const struct emul *emul, int reg, uint8_t val, int bytes) { struct tcs_emul_data *data; - data = TCS_DATA_FROM_I2C_EMUL(emul); + data = emul->data; if (bytes > 1) { LOG_ERR("Too long write command"); @@ -577,27 +574,20 @@ static int tcs_emul_write_byte(struct i2c_emul *emul, int reg, uint8_t val, * * @return 0 indicating success (always) */ -static int tcs_emul_init(const struct emul *emul, - const struct device *parent) +static int tcs_emul_init(const struct emul *emul, const struct device *parent) { - const struct i2c_common_emul_cfg *cfg = emul->cfg; - struct i2c_common_emul_data *data = cfg->data; - int ret; + struct tcs_emul_data *data = emul->data; - data->emul.api = &i2c_common_emul_api; - data->emul.addr = cfg->addr; - data->i2c = parent; - data->cfg = cfg; - i2c_common_emul_init(data); + data->common.i2c = parent; - ret = i2c_emul_register(parent, emul->dev_label, &data->emul); + i2c_common_emul_init(&data->common); - tcs_emul_reset(&data->emul); + tcs_emul_reset(emul); - return ret; + return 0; } -#define TCS3400_EMUL(n) \ +#define TCS3400_EMUL(n) \ static struct tcs_emul_data tcs_emul_data_##n = { \ .revision = DT_INST_PROP(n, revision), \ .id = DT_STRING_TOKEN(DT_DRV_INST(n), device_id), \ @@ -619,36 +609,22 @@ static int tcs_emul_init(const struct emul *emul, .finish_read = NULL, \ .access_reg = NULL, \ }, \ - }; \ - \ - static const struct i2c_common_emul_cfg tcs_emul_cfg_##n = { \ - .i2c_label = DT_INST_BUS_LABEL(n), \ - .dev_label = DT_INST_LABEL(n), \ - .data = &tcs_emul_data_##n.common, \ - .addr = DT_INST_REG_ADDR(n), \ - }; \ - EMUL_DEFINE(tcs_emul_init, DT_DRV_INST(n), &tcs_emul_cfg_##n, \ - &tcs_emul_data_##n) + }; \ + \ + static const struct i2c_common_emul_cfg tcs_emul_cfg_##n = { \ + .dev_label = DT_NODE_FULL_NAME(DT_DRV_INST(n)), \ + .data = &tcs_emul_data_##n.common, \ + .addr = DT_INST_REG_ADDR(n), \ + }; \ + EMUL_DT_INST_DEFINE(n, tcs_emul_init, &tcs_emul_data_##n, \ + &tcs_emul_cfg_##n, &i2c_common_emul_api) DT_INST_FOREACH_STATUS_OKAY(TCS3400_EMUL) -#define TCS3400_EMUL_CASE(n) \ - case DT_INST_DEP_ORD(n): return &tcs_emul_data_##n.common.emul; - -/** Check description in emul_tcs3400.h */ -struct i2c_emul *tcs_emul_get(int ord) -{ - switch (ord) { - DT_INST_FOREACH_STATUS_OKAY(TCS3400_EMUL_CASE) - - default: - return NULL; - } -} - #ifdef CONFIG_ZTEST_NEW_API #define TCS3400_EMUL_RESET_RULE_BEFORE(n) \ - tcs_emul_reset(&(tcs_emul_data_##n.common.emul)); + tcs_emul_reset(EMUL_DT_GET(DT_DRV_INST(n))); + static void emul_tcs3400_reset_rule_before(const struct ztest_unit_test *test, void *data) { @@ -658,3 +634,11 @@ static void emul_tcs3400_reset_rule_before(const struct ztest_unit_test *test, } ZTEST_RULE(emul_tcs3400_reset, emul_tcs3400_reset_rule_before, NULL); #endif /* CONFIG_ZTEST_NEW_API */ + +DT_INST_FOREACH_STATUS_OKAY(EMUL_STUB_DEVICE); + +struct i2c_common_emul_data * +emul_tcs3400_get_i2c_common_data(const struct emul *emul) +{ + return emul->data; +} |