| /kernel/linux/linux-4.19/drivers/leds/ |
| D | leds-as3645a.c | 2 * drivers/leds/leds-as3645a.c - AS3645A and LM3555 flash controllers driver
24 #include <linux/led-class-flash.h>
31 #include <media/v4l2-flash-led-class.h>
136 char flash[32]; member
169 static int as3645a_write(struct as3645a *flash, u8 addr, u8 val) in as3645a_write() argument
171 struct i2c_client *client = flash->client; in as3645a_write()
183 static int as3645a_read(struct as3645a *flash, u8 addr) in as3645a_read() argument
185 struct i2c_client *client = flash->client; in as3645a_read()
201 * as3645a_set_config - Set flash configuration registers
202 * @flash: The flash
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| /kernel/linux/linux-5.10/drivers/leds/ |
| D | leds-as3645a.c | 3 * drivers/leds/leds-as3645a.c - AS3645A and LM3555 flash controllers driver
16 #include <linux/led-class-flash.h>
23 #include <media/v4l2-flash-led-class.h>
156 static int as3645a_write(struct as3645a *flash, u8 addr, u8 val) in as3645a_write() argument
158 struct i2c_client *client = flash->client; in as3645a_write()
170 static int as3645a_read(struct as3645a *flash, u8 addr) in as3645a_read() argument
172 struct i2c_client *client = flash->client; in as3645a_read()
188 * as3645a_set_config - Set flash configuration registers
189 * @flash: The flash
191 * Configure the hardware with flash, assist and indicator currents, as well as
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| /kernel/linux/linux-4.19/drivers/media/i2c/ |
| D | adp1653.c | 47 static int adp1653_update_hw(struct adp1653_flash *flash) in adp1653_update_hw() argument
49 struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev); in adp1653_update_hw()
55 flash->indicator_intensity->val) in adp1653_update_hw()
58 switch (flash->led_mode->val) { in adp1653_update_hw()
62 /* Flash mode, light on with strobe, duration from timer */ in adp1653_update_hw()
64 config |= TIMEOUT_US_TO_CODE(flash->flash_timeout->val) in adp1653_update_hw()
70 flash->torch_intensity->val) in adp1653_update_hw()
86 static int adp1653_get_fault(struct adp1653_flash *flash) in adp1653_get_fault() argument
88 struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev); in adp1653_get_fault()
96 flash->fault |= fault; in adp1653_get_fault()
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| D | lm3646.c | 3 * General device driver for TI lm3646, Dual FLASH LED Driver
84 static int lm3646_mode_ctrl(struct lm3646_flash *flash, in lm3646_mode_ctrl() argument
89 return regmap_write(flash->regmap, in lm3646_mode_ctrl()
90 REG_ENABLE, flash->mode_reg | MODE_SHDN); in lm3646_mode_ctrl()
92 return regmap_write(flash->regmap, in lm3646_mode_ctrl()
93 REG_ENABLE, flash->mode_reg | MODE_TORCH); in lm3646_mode_ctrl()
95 return regmap_write(flash->regmap, in lm3646_mode_ctrl()
96 REG_ENABLE, flash->mode_reg | MODE_FLASH); in lm3646_mode_ctrl()
104 struct lm3646_flash *flash = to_lm3646_flash(ctrl); in lm3646_get_ctrl() local
111 rval = regmap_read(flash->regmap, REG_FLAG, ®_val); in lm3646_get_ctrl()
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| D | lm3560.c | 3 * General device driver for TI lm3559, lm3560, FLASH LED Driver
76 static int lm3560_mode_ctrl(struct lm3560_flash *flash) in lm3560_mode_ctrl() argument
80 switch (flash->led_mode) { in lm3560_mode_ctrl()
82 rval = regmap_update_bits(flash->regmap, in lm3560_mode_ctrl()
86 rval = regmap_update_bits(flash->regmap, in lm3560_mode_ctrl()
90 rval = regmap_update_bits(flash->regmap, in lm3560_mode_ctrl()
98 static int lm3560_enable_ctrl(struct lm3560_flash *flash, in lm3560_enable_ctrl() argument
105 rval = regmap_update_bits(flash->regmap, in lm3560_enable_ctrl()
108 rval = regmap_update_bits(flash->regmap, in lm3560_enable_ctrl()
112 rval = regmap_update_bits(flash->regmap, in lm3560_enable_ctrl()
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| /kernel/linux/linux-5.10/drivers/media/i2c/ |
| D | adp1653.c | 38 static int adp1653_update_hw(struct adp1653_flash *flash) in adp1653_update_hw() argument
40 struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev); in adp1653_update_hw()
46 flash->indicator_intensity->val) in adp1653_update_hw()
49 switch (flash->led_mode->val) { in adp1653_update_hw()
53 /* Flash mode, light on with strobe, duration from timer */ in adp1653_update_hw()
55 config |= TIMEOUT_US_TO_CODE(flash->flash_timeout->val) in adp1653_update_hw()
61 flash->torch_intensity->val) in adp1653_update_hw()
77 static int adp1653_get_fault(struct adp1653_flash *flash) in adp1653_get_fault() argument
79 struct i2c_client *client = v4l2_get_subdevdata(&flash->subdev); in adp1653_get_fault()
87 flash->fault |= fault; in adp1653_get_fault()
[all …]
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| D | lm3646.c | 4 * General device driver for TI lm3646, Dual FLASH LED Driver
81 static int lm3646_mode_ctrl(struct lm3646_flash *flash, in lm3646_mode_ctrl() argument
86 return regmap_write(flash->regmap, in lm3646_mode_ctrl()
87 REG_ENABLE, flash->mode_reg | MODE_SHDN); in lm3646_mode_ctrl()
89 return regmap_write(flash->regmap, in lm3646_mode_ctrl()
90 REG_ENABLE, flash->mode_reg | MODE_TORCH); in lm3646_mode_ctrl()
92 return regmap_write(flash->regmap, in lm3646_mode_ctrl()
93 REG_ENABLE, flash->mode_reg | MODE_FLASH); in lm3646_mode_ctrl()
101 struct lm3646_flash *flash = to_lm3646_flash(ctrl); in lm3646_get_ctrl() local
108 rval = regmap_read(flash->regmap, REG_FLAG, ®_val); in lm3646_get_ctrl()
[all …]
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| D | lm3560.c | 4 * General device driver for TI lm3559, lm3560, FLASH LED Driver
68 static int lm3560_mode_ctrl(struct lm3560_flash *flash) in lm3560_mode_ctrl() argument
72 switch (flash->led_mode) { in lm3560_mode_ctrl()
74 rval = regmap_update_bits(flash->regmap, in lm3560_mode_ctrl()
78 rval = regmap_update_bits(flash->regmap, in lm3560_mode_ctrl()
82 rval = regmap_update_bits(flash->regmap, in lm3560_mode_ctrl()
90 static int lm3560_enable_ctrl(struct lm3560_flash *flash, in lm3560_enable_ctrl() argument
97 rval = regmap_update_bits(flash->regmap, in lm3560_enable_ctrl()
100 rval = regmap_update_bits(flash->regmap, in lm3560_enable_ctrl()
104 rval = regmap_update_bits(flash->regmap, in lm3560_enable_ctrl()
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| /kernel/linux/linux-5.10/Documentation/userspace-api/media/v4l/ |
| D | ext-ctrls-flash.rst | 6 Flash Control Reference
9 The V4L2 flash controls are intended to provide generic access to flash
10 controller devices. Flash controller devices are typically used in
13 The interface can support both LED and xenon flash devices. As of
14 writing this, there is no xenon flash driver using this interface.
23 Unsynchronised LED flash (software strobe)
26 Unsynchronised LED flash is controlled directly by the host as the
27 sensor. The flash must be enabled by the host before the exposure of the
29 for the timing of the flash.
34 Synchronised LED flash (hardware strobe)
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| /kernel/linux/linux-5.10/drivers/staging/media/atomisp/i2c/ |
| D | atomisp-lm3554.c | 3 * LED flash driver for LM3554
82 static int lm3554_write(struct lm3554 *flash, u8 addr, u8 val) in lm3554_write() argument
84 struct i2c_client *client = v4l2_get_subdevdata(&flash->sd); in lm3554_write()
96 static int lm3554_read(struct lm3554 *flash, u8 addr) in lm3554_read() argument
98 struct i2c_client *client = v4l2_get_subdevdata(&flash->sd); in lm3554_read()
113 static int lm3554_set_mode(struct lm3554 *flash, unsigned int mode) in lm3554_set_mode() argument
119 (flash->flash_current << LM3554_FLASH_CURRENT_SHIFT); in lm3554_set_mode()
121 ret = lm3554_write(flash, LM3554_FLASH_BRIGHTNESS_REG, val); in lm3554_set_mode()
123 flash->mode = mode; in lm3554_set_mode()
127 static int lm3554_set_torch(struct lm3554 *flash) in lm3554_set_torch() argument
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| /kernel/linux/linux-4.19/drivers/mtd/maps/ |
| D | Kconfig | 6 bool "Support non-linear mappings of flash chips"
9 paged mappings of flash chips.
12 tristate "Flash device in physical memory map"
15 This provides a 'mapping' driver which allows the NOR Flash and
18 the physical address and size of the flash chips on your
37 hex "Physical start address of flash mapping"
41 This is the physical memory location at which the flash chips
47 hex "Physical length of flash mapping"
51 This is the total length of the mapping of the flash chips on
54 than the total amount of flash present. Refer to the memory
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| /kernel/linux/linux-5.10/Documentation/ABI/testing/ |
| D | sysfs-class-led-flash | 6 Set the brightness of this LED in the flash strobe mode, in
7 microamperes. The file is created only for the flash LED devices
8 that support setting flash brightness.
18 Maximum brightness level for this LED in the flash strobe mode,
26 Hardware timeout for flash, in microseconds. The flash strobe
28 of the strobe. The file is created only for the flash LED
29 devices that support setting flash timeout.
36 Maximum flash timeout for this LED, in microseconds.
43 Flash strobe state. When written with 1 it triggers flash strobe
44 and when written with 0 it turns the flash off.
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| /kernel/linux/linux-4.19/Documentation/ABI/testing/ |
| D | sysfs-class-led-flash | 6 Set the brightness of this LED in the flash strobe mode, in
7 microamperes. The file is created only for the flash LED devices
8 that support setting flash brightness.
18 Maximum brightness level for this LED in the flash strobe mode,
26 Hardware timeout for flash, in microseconds. The flash strobe
28 of the strobe. The file is created only for the flash LED
29 devices that support setting flash timeout.
36 Maximum flash timeout for this LED, in microseconds.
43 Flash strobe state. When written with 1 it triggers flash strobe
44 and when written with 0 it turns the flash off.
[all …]
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| /kernel/linux/linux-5.10/drivers/mtd/maps/ |
| D | Kconfig | 7 bool "Support non-linear mappings of flash chips"
10 paged mappings of flash chips.
13 tristate "Flash device in physical memory map"
16 This provides a 'mapping' driver which allows the NOR Flash and
19 the physical address and size of the flash chips on your
38 hex "Physical start address of flash mapping"
42 This is the physical memory location at which the flash chips
48 hex "Physical length of flash mapping"
52 This is the total length of the mapping of the flash chips on
55 than the total amount of flash present. Refer to the memory
[all …]
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| /kernel/linux/linux-5.10/drivers/mtd/devices/ |
| D | sst25l.c | 5 * Driver for SST25L SPI Flash chips
25 #include <linux/spi/flash.h>
67 static int sst25l_status(struct sst25l_flash *flash, int *status) in sst25l_status() argument
83 err = spi_sync(flash->spi, &m); in sst25l_status()
91 static int sst25l_write_enable(struct sst25l_flash *flash, int enable) in sst25l_write_enable() argument
97 err = spi_write(flash->spi, command, 1); in sst25l_write_enable()
102 err = spi_write(flash->spi, command, 1); in sst25l_write_enable()
108 err = spi_write(flash->spi, command, 2); in sst25l_write_enable()
113 err = sst25l_status(flash, &status); in sst25l_write_enable()
123 static int sst25l_wait_till_ready(struct sst25l_flash *flash) in sst25l_wait_till_ready() argument
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| D | mchp23k256.c | 16 #include <linux/spi/flash.h>
41 static void mchp23k256_addr2cmd(struct mchp23k256_flash *flash, in mchp23k256_addr2cmd() argument
51 for (i = flash->caps->addr_width; i > 0; i--, addr >>= 8) in mchp23k256_addr2cmd()
55 static int mchp23k256_cmdsz(struct mchp23k256_flash *flash) in mchp23k256_cmdsz() argument
57 return 1 + flash->caps->addr_width; in mchp23k256_cmdsz()
63 struct mchp23k256_flash *flash = to_mchp23k256_flash(mtd); in mchp23k256_write() local
71 cmd_len = mchp23k256_cmdsz(flash); in mchp23k256_write()
74 mchp23k256_addr2cmd(flash, to, command); in mchp23k256_write()
84 mutex_lock(&flash->lock); in mchp23k256_write()
86 ret = spi_sync(flash->spi, &message); in mchp23k256_write()
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| /kernel/linux/linux-4.19/drivers/mtd/devices/ |
| D | sst25l.c | 4 * Driver for SST25L SPI Flash chips
29 #include <linux/spi/flash.h>
71 static int sst25l_status(struct sst25l_flash *flash, int *status) in sst25l_status() argument
87 err = spi_sync(flash->spi, &m); in sst25l_status()
95 static int sst25l_write_enable(struct sst25l_flash *flash, int enable) in sst25l_write_enable() argument
101 err = spi_write(flash->spi, command, 1); in sst25l_write_enable()
106 err = spi_write(flash->spi, command, 1); in sst25l_write_enable()
112 err = spi_write(flash->spi, command, 2); in sst25l_write_enable()
117 err = sst25l_status(flash, &status); in sst25l_write_enable()
127 static int sst25l_wait_till_ready(struct sst25l_flash *flash) in sst25l_wait_till_ready() argument
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| D | mchp23k256.c | 20 #include <linux/spi/flash.h>
45 static void mchp23k256_addr2cmd(struct mchp23k256_flash *flash, in mchp23k256_addr2cmd() argument
55 for (i = flash->caps->addr_width; i > 0; i--, addr >>= 8) in mchp23k256_addr2cmd()
59 static int mchp23k256_cmdsz(struct mchp23k256_flash *flash) in mchp23k256_cmdsz() argument
61 return 1 + flash->caps->addr_width; in mchp23k256_cmdsz()
67 struct mchp23k256_flash *flash = to_mchp23k256_flash(mtd); in mchp23k256_write() local
75 cmd_len = mchp23k256_cmdsz(flash); in mchp23k256_write()
78 mchp23k256_addr2cmd(flash, to, command); in mchp23k256_write()
88 mutex_lock(&flash->lock); in mchp23k256_write()
90 ret = spi_sync(flash->spi, &message); in mchp23k256_write()
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| /kernel/linux/linux-4.19/include/linux/ |
| D | led-class-flash.h | 2 * LED Flash class interface
38 /* set flash brightness */
41 /* get flash brightness */
44 /* set flash strobe state */
46 /* get flash strobe state */
48 /* set flash timeout */
50 /* get the flash LED fault */
55 * Current value of a flash setting along
73 /* flash led specific ops */
76 /* flash brightness value in microamperes along with its constraints */
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| /kernel/linux/linux-5.10/include/linux/ |
| D | led-class-flash.h | 3 * LED Flash class interface
34 /* set flash brightness */
37 /* get flash brightness */
40 /* set flash strobe state */
42 /* get flash strobe state */
44 /* set flash timeout */
46 /* get the flash LED fault */
51 * Current value of a flash setting along
69 /* flash led specific ops */
72 /* flash brightness value in microamperes along with its constraints */
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| /kernel/linux/linux-4.19/drivers/sbus/char/ |
| D | flash.c | 1 /* flash.c: Allow mmap access to the OBP Flash, for OBP updates.
31 } flash; variable
42 if (flash.read_base == flash.write_base) { in flash_mmap()
43 addr = flash.read_base; in flash_mmap()
44 size = flash.read_size; in flash_mmap()
52 addr = flash.read_base; in flash_mmap()
53 size = flash.read_size; in flash_mmap()
55 addr = flash.write_base; in flash_mmap()
56 size = flash.write_size; in flash_mmap()
89 if (file->f_pos > flash.read_size) in flash_llseek()
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| /kernel/linux/linux-5.10/drivers/sbus/char/ |
| D | flash.c | 2 /* flash.c: Allow mmap access to the OBP Flash, for OBP updates.
31 } flash; variable
40 if (flash.read_base == flash.write_base) { in flash_mmap()
41 addr = flash.read_base; in flash_mmap()
42 size = flash.read_size; in flash_mmap()
50 addr = flash.read_base; in flash_mmap()
51 size = flash.read_size; in flash_mmap()
53 addr = flash.write_base; in flash_mmap()
54 size = flash.write_size; in flash_mmap()
87 if (file->f_pos > flash.read_size) in flash_llseek()
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| /kernel/linux/linux-5.10/Documentation/leds/ |
| D | leds-class-flash.rst | 2 Flash LED handling under Linux
5 Some LED devices provide two modes - torch and flash. In the LED subsystem
7 and LED Flash class respectively. The torch mode related features are enabled
8 by default and the flash ones only if a driver declares it by setting
11 In order to enable the support for flash LEDs CONFIG_LEDS_CLASS_FLASH symbol
12 must be defined in the kernel config. A LED Flash class driver must be
15 Following sysfs attributes are exposed for controlling flash LED devices:
16 (see Documentation/ABI/testing/sysfs-class-led-flash)
26 V4L2 flash wrapper for flash LEDs
37 flash device, e.g. an I2C device
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| /kernel/linux/linux-4.19/Documentation/leds/ |
| D | leds-class-flash.txt | 2 Flash LED handling under Linux
5 Some LED devices provide two modes - torch and flash. In the LED subsystem
7 and LED Flash class respectively. The torch mode related features are enabled
8 by default and the flash ones only if a driver declares it by setting
11 In order to enable the support for flash LEDs CONFIG_LEDS_CLASS_FLASH symbol
12 must be defined in the kernel config. A LED Flash class driver must be
15 Following sysfs attributes are exposed for controlling flash LED devices:
16 (see Documentation/ABI/testing/sysfs-class-led-flash)
25 V4L2 flash wrapper for flash LEDs
34 - dev : flash device, e.g. an I2C device
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| /kernel/linux/linux-5.10/include/media/ |
| D | v4l2-flash-led-class.h | 3 * V4L2 flash LED sub-device registration helpers.
21 * struct v4l2_flash_ctrl_data - flash control initialization data, filled
22 * basing on the features declared by the LED flash
25 * @cid: contains v4l2 flash control id if the config
34 * struct v4l2_flash_ops - V4L2 flash operations
36 * @external_strobe_set: Setup strobing the flash by hardware pin state
53 * struct v4l2_flash_config - V4L2 Flash sub-device initialization data
56 * @intensity: non-flash strobe constraints for the LED
57 * @flash_faults: bitmask of flash faults that the LED flash class
60 * <linux/led-class-flash.h>
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