diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/fbtft/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/staging/fbtft/fbtft-core.c | 99 | ||||
| -rw-r--r-- | drivers/staging/iio/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/staging/iio/Makefile | 1 | ||||
| -rw-r--r-- | drivers/staging/iio/frequency/ad9832.c | 15 | ||||
| -rw-r--r-- | drivers/staging/iio/frequency/ad9834.c | 21 | ||||
| -rw-r--r-- | drivers/staging/iio/impedance-analyzer/ad5933.c | 22 | ||||
| -rw-r--r-- | drivers/staging/iio/resolver/Kconfig | 18 | ||||
| -rw-r--r-- | drivers/staging/iio/resolver/Makefile | 6 | ||||
| -rw-r--r-- | drivers/staging/iio/resolver/ad2s1210.c | 716 | ||||
| -rw-r--r-- | drivers/staging/media/atomisp/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/staging/media/tegra-video/vi.c | 16 | ||||
| -rw-r--r-- | drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c | 9 |
13 files changed, 49 insertions, 883 deletions
diff --git a/drivers/staging/fbtft/Kconfig b/drivers/staging/fbtft/Kconfig index 5dda3c65a38e..77ab44362f16 100644 --- a/drivers/staging/fbtft/Kconfig +++ b/drivers/staging/fbtft/Kconfig @@ -4,12 +4,8 @@ menuconfig FB_TFT depends on FB && SPI depends on FB_DEVICE depends on GPIOLIB || COMPILE_TEST - select FB_SYS_FILLRECT - select FB_SYS_COPYAREA - select FB_SYS_IMAGEBLIT - select FB_SYS_FOPS - select FB_DEFERRED_IO select FB_BACKLIGHT + select FB_SYSMEM_HELPERS_DEFERRED config FB_TFT_AGM1264K_FL tristate "FB driver for the AGM1264K-FL LCD display" diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index eac1d570f437..3626f429b002 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -357,61 +357,6 @@ static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagereflis dirty_lines_start, dirty_lines_end); } -static void fbtft_fb_fillrect(struct fb_info *info, - const struct fb_fillrect *rect) -{ - struct fbtft_par *par = info->par; - - dev_dbg(info->dev, - "%s: dx=%d, dy=%d, width=%d, height=%d\n", - __func__, rect->dx, rect->dy, rect->width, rect->height); - sys_fillrect(info, rect); - - par->fbtftops.mkdirty(info, rect->dy, rect->height); -} - -static void fbtft_fb_copyarea(struct fb_info *info, - const struct fb_copyarea *area) -{ - struct fbtft_par *par = info->par; - - dev_dbg(info->dev, - "%s: dx=%d, dy=%d, width=%d, height=%d\n", - __func__, area->dx, area->dy, area->width, area->height); - sys_copyarea(info, area); - - par->fbtftops.mkdirty(info, area->dy, area->height); -} - -static void fbtft_fb_imageblit(struct fb_info *info, - const struct fb_image *image) -{ - struct fbtft_par *par = info->par; - - dev_dbg(info->dev, - "%s: dx=%d, dy=%d, width=%d, height=%d\n", - __func__, image->dx, image->dy, image->width, image->height); - sys_imageblit(info, image); - - par->fbtftops.mkdirty(info, image->dy, image->height); -} - -static ssize_t fbtft_fb_write(struct fb_info *info, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct fbtft_par *par = info->par; - ssize_t res; - - dev_dbg(info->dev, - "%s: count=%zd, ppos=%llu\n", __func__, count, *ppos); - res = fb_sys_write(info, buf, count, ppos); - - /* TODO: only mark changed area update all for now */ - par->fbtftops.mkdirty(info, -1, 0); - - return res; -} - /* from pxafb.c */ static unsigned int chan_to_field(unsigned int chan, struct fb_bitfield *bf) { @@ -473,6 +418,32 @@ static int fbtft_fb_blank(int blank, struct fb_info *info) return ret; } +static void fbtft_ops_damage_range(struct fb_info *info, off_t off, size_t len) +{ + struct fbtft_par *par = info->par; + + /* TODO: only mark changed area update all for now */ + par->fbtftops.mkdirty(info, -1, 0); +} + +static void fbtft_ops_damage_area(struct fb_info *info, u32 x, u32 y, u32 width, u32 height) +{ + struct fbtft_par *par = info->par; + + par->fbtftops.mkdirty(info, y, height); +} + +FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(fbtft_ops, + fbtft_ops_damage_range, + fbtft_ops_damage_area) + +static const struct fb_ops fbtft_ops = { + .owner = THIS_MODULE, + FB_DEFAULT_DEFERRED_OPS(fbtft_ops), + .fb_setcolreg = fbtft_fb_setcolreg, + .fb_blank = fbtft_fb_blank, +}; + static void fbtft_merge_fbtftops(struct fbtft_ops *dst, struct fbtft_ops *src) { if (src->write) @@ -521,7 +492,6 @@ static void fbtft_merge_fbtftops(struct fbtft_ops *dst, struct fbtft_ops *src) * Creates a new frame buffer info structure. * * Also creates and populates the following structures: - * info->fbops * info->fbdefio * info->pseudo_palette * par->fbtftops @@ -536,7 +506,6 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, { struct fb_info *info; struct fbtft_par *par; - struct fb_ops *fbops = NULL; struct fb_deferred_io *fbdefio = NULL; u8 *vmem = NULL; void *txbuf = NULL; @@ -611,10 +580,6 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, if (!vmem) goto alloc_fail; - fbops = devm_kzalloc(dev, sizeof(struct fb_ops), GFP_KERNEL); - if (!fbops) - goto alloc_fail; - fbdefio = devm_kzalloc(dev, sizeof(struct fb_deferred_io), GFP_KERNEL); if (!fbdefio) goto alloc_fail; @@ -638,19 +603,9 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, goto alloc_fail; info->screen_buffer = vmem; - info->fbops = fbops; + info->fbops = &fbtft_ops; info->fbdefio = fbdefio; - fbops->owner = dev->driver->owner; - fbops->fb_read = fb_sys_read; - fbops->fb_write = fbtft_fb_write; - fbops->fb_fillrect = fbtft_fb_fillrect; - fbops->fb_copyarea = fbtft_fb_copyarea; - fbops->fb_imageblit = fbtft_fb_imageblit; - fbops->fb_setcolreg = fbtft_fb_setcolreg; - fbops->fb_blank = fbtft_fb_blank; - fbops->fb_mmap = fb_deferred_io_mmap; - fbdefio->delay = HZ / fps; fbdefio->sort_pagereflist = true; fbdefio->deferred_io = fbtft_deferred_io; diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig index d3968fe2ebb8..a60631c1f449 100644 --- a/drivers/staging/iio/Kconfig +++ b/drivers/staging/iio/Kconfig @@ -10,6 +10,5 @@ source "drivers/staging/iio/adc/Kconfig" source "drivers/staging/iio/addac/Kconfig" source "drivers/staging/iio/frequency/Kconfig" source "drivers/staging/iio/impedance-analyzer/Kconfig" -source "drivers/staging/iio/resolver/Kconfig" endmenu diff --git a/drivers/staging/iio/Makefile b/drivers/staging/iio/Makefile index c50f1019f829..628583535393 100644 --- a/drivers/staging/iio/Makefile +++ b/drivers/staging/iio/Makefile @@ -8,4 +8,3 @@ obj-y += adc/ obj-y += addac/ obj-y += frequency/ obj-y += impedance-analyzer/ -obj-y += resolver/ diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c index 6f9eebd6c7ee..6c390c4eb26d 100644 --- a/drivers/staging/iio/frequency/ad9832.c +++ b/drivers/staging/iio/frequency/ad9832.c @@ -299,11 +299,6 @@ static void ad9832_reg_disable(void *reg) regulator_disable(reg); } -static void ad9832_clk_disable(void *clk) -{ - clk_disable_unprepare(clk); -} - static int ad9832_probe(struct spi_device *spi) { struct ad9832_platform_data *pdata = dev_get_platdata(&spi->dev); @@ -350,18 +345,10 @@ static int ad9832_probe(struct spi_device *spi) if (ret) return ret; - st->mclk = devm_clk_get(&spi->dev, "mclk"); + st->mclk = devm_clk_get_enabled(&spi->dev, "mclk"); if (IS_ERR(st->mclk)) return PTR_ERR(st->mclk); - ret = clk_prepare_enable(st->mclk); - if (ret < 0) - return ret; - - ret = devm_add_action_or_reset(&spi->dev, ad9832_clk_disable, st->mclk); - if (ret) - return ret; - st->spi = spi; mutex_init(&st->lock); diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c index 285df0e489a6..a7a5cdcc6590 100644 --- a/drivers/staging/iio/frequency/ad9834.c +++ b/drivers/staging/iio/frequency/ad9834.c @@ -394,13 +394,6 @@ static void ad9834_disable_reg(void *data) regulator_disable(reg); } -static void ad9834_disable_clk(void *data) -{ - struct clk *clk = data; - - clk_disable_unprepare(clk); -} - static int ad9834_probe(struct spi_device *spi) { struct ad9834_state *st; @@ -429,22 +422,12 @@ static int ad9834_probe(struct spi_device *spi) } st = iio_priv(indio_dev); mutex_init(&st->lock); - st->mclk = devm_clk_get(&spi->dev, NULL); + st->mclk = devm_clk_get_enabled(&spi->dev, NULL); if (IS_ERR(st->mclk)) { - ret = PTR_ERR(st->mclk); - return ret; - } - - ret = clk_prepare_enable(st->mclk); - if (ret) { dev_err(&spi->dev, "Failed to enable master clock\n"); - return ret; + return PTR_ERR(st->mclk); } - ret = devm_add_action_or_reset(&spi->dev, ad9834_disable_clk, st->mclk); - if (ret) - return ret; - st->spi = spi; st->devid = spi_get_device_id(spi)->driver_data; indio_dev->name = spi_get_device_id(spi)->name; diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 46db6d91542a..e748a5d04e97 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -667,13 +667,6 @@ static void ad5933_reg_disable(void *data) regulator_disable(st->reg); } -static void ad5933_clk_disable(void *data) -{ - struct ad5933_state *st = data; - - clk_disable_unprepare(st->mclk); -} - static int ad5933_probe(struct i2c_client *client) { const struct i2c_device_id *id = i2c_client_get_device_id(client); @@ -712,23 +705,12 @@ static int ad5933_probe(struct i2c_client *client) st->vref_mv = ret / 1000; - st->mclk = devm_clk_get(&client->dev, "mclk"); + st->mclk = devm_clk_get_enabled(&client->dev, "mclk"); if (IS_ERR(st->mclk) && PTR_ERR(st->mclk) != -ENOENT) return PTR_ERR(st->mclk); - if (!IS_ERR(st->mclk)) { - ret = clk_prepare_enable(st->mclk); - if (ret < 0) - return ret; - - ret = devm_add_action_or_reset(&client->dev, - ad5933_clk_disable, - st); - if (ret) - return ret; - + if (!IS_ERR(st->mclk)) ext_clk_hz = clk_get_rate(st->mclk); - } if (ext_clk_hz) { st->mclk_hz = ext_clk_hz; diff --git a/drivers/staging/iio/resolver/Kconfig b/drivers/staging/iio/resolver/Kconfig deleted file mode 100644 index 6d1e2622e0b0..000000000000 --- a/drivers/staging/iio/resolver/Kconfig +++ /dev/null @@ -1,18 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# Resolver/Synchro drivers -# -menu "Resolver to digital converters" - -config AD2S1210 - tristate "Analog Devices ad2s1210 driver" - depends on SPI - depends on GPIOLIB || COMPILE_TEST - help - Say yes here to build support for Analog Devices spi resolver - to digital converters, ad2s1210, provides direct access via sysfs. - - To compile this driver as a module, choose M here: the - module will be called ad2s1210. - -endmenu diff --git a/drivers/staging/iio/resolver/Makefile b/drivers/staging/iio/resolver/Makefile deleted file mode 100644 index 398631f7e79b..000000000000 --- a/drivers/staging/iio/resolver/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# Makefile for Resolver/Synchro drivers -# - -obj-$(CONFIG_AD2S1210) += ad2s1210.o diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c deleted file mode 100644 index 06de5823eb8e..000000000000 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ /dev/null @@ -1,716 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * ad2s1210.c support for the ADI Resolver to Digital Converters: AD2S1210 - * - * Copyright (c) 2010-2010 Analog Devices Inc. - */ -#include <linux/types.h> -#include <linux/mutex.h> -#include <linux/device.h> -#include <linux/of.h> -#include <linux/spi/spi.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/delay.h> -#include <linux/gpio/consumer.h> -#include <linux/module.h> - -#include <linux/iio/iio.h> -#include <linux/iio/sysfs.h> - -#define DRV_NAME "ad2s1210" - -#define AD2S1210_DEF_CONTROL 0x7E - -#define AD2S1210_MSB_IS_HIGH 0x80 -#define AD2S1210_MSB_IS_LOW 0x7F -#define AD2S1210_PHASE_LOCK_RANGE_44 0x20 -#define AD2S1210_ENABLE_HYSTERESIS 0x10 -#define AD2S1210_SET_ENRES1 0x08 -#define AD2S1210_SET_ENRES0 0x04 -#define AD2S1210_SET_RES1 0x02 -#define AD2S1210_SET_RES0 0x01 - -#define AD2S1210_SET_RESOLUTION (AD2S1210_SET_RES1 | AD2S1210_SET_RES0) - -#define AD2S1210_REG_POSITION 0x80 -#define AD2S1210_REG_VELOCITY 0x82 -#define AD2S1210_REG_LOS_THRD 0x88 -#define AD2S1210_REG_DOS_OVR_THRD 0x89 -#define AD2S1210_REG_DOS_MIS_THRD 0x8A -#define AD2S1210_REG_DOS_RST_MAX_THRD 0x8B -#define AD2S1210_REG_DOS_RST_MIN_THRD 0x8C -#define AD2S1210_REG_LOT_HIGH_THRD 0x8D -#define AD2S1210_REG_LOT_LOW_THRD 0x8E -#define AD2S1210_REG_EXCIT_FREQ 0x91 -#define AD2S1210_REG_CONTROL 0x92 -#define AD2S1210_REG_SOFT_RESET 0xF0 -#define AD2S1210_REG_FAULT 0xFF - -#define AD2S1210_MIN_CLKIN 6144000 -#define AD2S1210_MAX_CLKIN 10240000 -#define AD2S1210_MIN_EXCIT 2000 -#define AD2S1210_MAX_EXCIT 20000 -#define AD2S1210_MIN_FCW 0x4 -#define AD2S1210_MAX_FCW 0x50 - -#define AD2S1210_DEF_EXCIT 10000 - -enum ad2s1210_mode { - MOD_POS = 0, - MOD_VEL, - MOD_CONFIG, - MOD_RESERVED, -}; - -enum ad2s1210_gpios { - AD2S1210_SAMPLE, - AD2S1210_A0, - AD2S1210_A1, - AD2S1210_RES0, - AD2S1210_RES1, -}; - -struct ad2s1210_gpio { - const char *name; - unsigned long flags; -}; - -static const struct ad2s1210_gpio gpios[] = { - [AD2S1210_SAMPLE] = { .name = "adi,sample", .flags = GPIOD_OUT_LOW }, - [AD2S1210_A0] = { .name = "adi,a0", .flags = GPIOD_OUT_LOW }, - [AD2S1210_A1] = { .name = "adi,a1", .flags = GPIOD_OUT_LOW }, - [AD2S1210_RES0] = { .name = "adi,res0", .flags = GPIOD_OUT_LOW }, - [AD2S1210_RES1] = { .name = "adi,res1", .flags = GPIOD_OUT_LOW }, -}; - -static const unsigned int ad2s1210_resolution_value[] = { 10, 12, 14, 16 }; - -struct ad2s1210_state { - struct mutex lock; - struct spi_device *sdev; - struct gpio_desc *gpios[5]; - unsigned int fclkin; - unsigned int fexcit; - bool hysteresis; - u8 resolution; - enum ad2s1210_mode mode; - u8 rx[2] __aligned(IIO_DMA_MINALIGN); - u8 tx[2]; -}; - -static const int ad2s1210_mode_vals[4][2] = { - [MOD_POS] = { 0, 0 }, - [MOD_VEL] = { 0, 1 }, - [MOD_CONFIG] = { 1, 1 }, -}; - -static inline void ad2s1210_set_mode(enum ad2s1210_mode mode, - struct ad2s1210_state *st) -{ - gpiod_set_value(st->gpios[AD2S1210_A0], ad2s1210_mode_vals[mode][0]); - gpiod_set_value(st->gpios[AD2S1210_A1], ad2s1210_mode_vals[mode][1]); - st->mode = mode; -} - -/* write 1 bytes (address or data) to the chip */ -static int ad2s1210_config_write(struct ad2s1210_state *st, u8 data) -{ - int ret; - - ad2s1210_set_mode(MOD_CONFIG, st); - st->tx[0] = data; - ret = spi_write(st->sdev, st->tx, 1); - if (ret < 0) - return ret; - - return 0; -} - -/* read value from one of the registers */ -static int ad2s1210_config_read(struct ad2s1210_state *st, - unsigned char address) -{ - struct spi_transfer xfers[] = { - { - .len = 1, - .rx_buf = &st->rx[0], - .tx_buf = &st->tx[0], - .cs_change = 1, - }, { - .len = 1, - .rx_buf = &st->rx[1], - .tx_buf = &st->tx[1], - }, - }; - int ret = 0; - - ad2s1210_set_mode(MOD_CONFIG, st); - st->tx[0] = address | AD2S1210_MSB_IS_HIGH; - st->tx[1] = AD2S1210_REG_FAULT; - ret = spi_sync_transfer(st->sdev, xfers, 2); - if (ret < 0) - return ret; - - return st->rx[1]; -} - -static inline -int ad2s1210_update_frequency_control_word(struct ad2s1210_state *st) -{ - int ret; - unsigned char fcw; - - fcw = (unsigned char)(st->fexcit * (1 << 15) / st->fclkin); - if (fcw < AD2S1210_MIN_FCW || fcw > AD2S1210_MAX_FCW) { - dev_err(&st->sdev->dev, "ad2s1210: FCW out of range\n"); - return -ERANGE; - } - - ret = ad2s1210_config_write(st, AD2S1210_REG_EXCIT_FREQ); - if (ret < 0) - return ret; - - return ad2s1210_config_write(st, fcw); -} - -static const int ad2s1210_res_pins[4][2] = { - { 0, 0 }, {0, 1}, {1, 0}, {1, 1} -}; - -static inline void ad2s1210_set_resolution_pin(struct ad2s1210_state *st) -{ - gpiod_set_value(st->gpios[AD2S1210_RES0], - ad2s1210_res_pins[(st->resolution - 10) / 2][0]); - gpiod_set_value(st->gpios[AD2S1210_RES1], - ad2s1210_res_pins[(st->resolution - 10) / 2][1]); -} - -static inline int ad2s1210_soft_reset(struct ad2s1210_state *st) -{ - int ret; - - ret = ad2s1210_config_write(st, AD2S1210_REG_SOFT_RESET); - if (ret < 0) - return ret; - - return ad2s1210_config_write(st, 0x0); -} - -static ssize_t ad2s1210_show_fclkin(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - - return sprintf(buf, "%u\n", st->fclkin); -} - -static ssize_t ad2s1210_store_fclkin(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - unsigned int fclkin; - int ret; - - ret = kstrtouint(buf, 10, &fclkin); - if (ret) - return ret; - if (fclkin < AD2S1210_MIN_CLKIN || fclkin > AD2S1210_MAX_CLKIN) { - dev_err(dev, "ad2s1210: fclkin out of range\n"); - return -EINVAL; - } - - mutex_lock(&st->lock); - st->fclkin = fclkin; - - ret = ad2s1210_update_frequency_control_word(st); - if (ret < 0) - goto error_ret; - ret = ad2s1210_soft_reset(st); -error_ret: - mutex_unlock(&st->lock); - - return ret < 0 ? ret : len; -} - -static ssize_t ad2s1210_show_fexcit(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - - return sprintf(buf, "%u\n", st->fexcit); -} - -static ssize_t ad2s1210_store_fexcit(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - unsigned int fexcit; - int ret; - - ret = kstrtouint(buf, 10, &fexcit); - if (ret < 0) - return ret; - if (fexcit < AD2S1210_MIN_EXCIT || fexcit > AD2S1210_MAX_EXCIT) { - dev_err(dev, - "ad2s1210: excitation frequency out of range\n"); - return -EINVAL; - } - mutex_lock(&st->lock); - st->fexcit = fexcit; - ret = ad2s1210_update_frequency_control_word(st); - if (ret < 0) - goto error_ret; - ret = ad2s1210_soft_reset(st); -error_ret: - mutex_unlock(&st->lock); - - return ret < 0 ? ret : len; -} - -static ssize_t ad2s1210_show_control(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - int ret; - - mutex_lock(&st->lock); - ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL); - mutex_unlock(&st->lock); - return ret < 0 ? ret : sprintf(buf, "0x%x\n", ret); -} - -static ssize_t ad2s1210_store_control(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - unsigned char udata; - unsigned char data; - int ret; - - ret = kstrtou8(buf, 16, &udata); - if (ret) - return -EINVAL; - - mutex_lock(&st->lock); - ret = ad2s1210_config_write(st, AD2S1210_REG_CONTROL); - if (ret < 0) - goto error_ret; - data = udata & AD2S1210_MSB_IS_LOW; - ret = ad2s1210_config_write(st, data); - if (ret < 0) - goto error_ret; - - ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL); - if (ret < 0) - goto error_ret; - if (ret & AD2S1210_MSB_IS_HIGH) { - ret = -EIO; - dev_err(dev, - "ad2s1210: write control register fail\n"); - goto error_ret; - } - st->resolution = - ad2s1210_resolution_value[data & AD2S1210_SET_RESOLUTION]; - ad2s1210_set_resolution_pin(st); - ret = len; - st->hysteresis = !!(data & AD2S1210_ENABLE_HYSTERESIS); - -error_ret: - mutex_unlock(&st->lock); - return ret; -} - -static ssize_t ad2s1210_show_resolution(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - - return sprintf(buf, "%d\n", st->resolution); -} - -static ssize_t ad2s1210_store_resolution(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - unsigned char data; - unsigned char udata; - int ret; - - ret = kstrtou8(buf, 10, &udata); - if (ret || udata < 10 || udata > 16) { - dev_err(dev, "ad2s1210: resolution out of range\n"); - return -EINVAL; - } - mutex_lock(&st->lock); - ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL); - if (ret < 0) - goto error_ret; - data = ret; - data &= ~AD2S1210_SET_RESOLUTION; - data |= (udata - 10) >> 1; - ret = ad2s1210_config_write(st, AD2S1210_REG_CONTROL); - if (ret < 0) - goto error_ret; - ret = ad2s1210_config_write(st, data & AD2S1210_MSB_IS_LOW); - if (ret < 0) - goto error_ret; - ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL); - if (ret < 0) - goto error_ret; - data = ret; - if (data & AD2S1210_MSB_IS_HIGH) { - ret = -EIO; - dev_err(dev, "ad2s1210: setting resolution fail\n"); - goto error_ret; - } - st->resolution = - ad2s1210_resolution_value[data & AD2S1210_SET_RESOLUTION]; - ad2s1210_set_resolution_pin(st); - ret = len; -error_ret: - mutex_unlock(&st->lock); - return ret; -} - -/* read the fault register since last sample */ -static ssize_t ad2s1210_show_fault(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - int ret; - - mutex_lock(&st->lock); - ret = ad2s1210_config_read(st, AD2S1210_REG_FAULT); - mutex_unlock(&st->lock); - - return ret ? ret : sprintf(buf, "0x%x\n", ret); -} - -static ssize_t ad2s1210_clear_fault(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - int ret; - - mutex_lock(&st->lock); - gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 0); - /* delay (2 * tck + 20) nano seconds */ - udelay(1); - gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 1); - ret = ad2s1210_config_read(st, AD2S1210_REG_FAULT); - if (ret < 0) - goto error_ret; - gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 0); - gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 1); -error_ret: - mutex_unlock(&st->lock); - - return ret < 0 ? ret : len; -} - -static ssize_t ad2s1210_show_reg(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - struct iio_dev_attr *iattr = to_iio_dev_attr(attr); - int ret; - - mutex_lock(&st->lock); - ret = ad2s1210_config_read(st, iattr->address); - mutex_unlock(&st->lock); - - return ret < 0 ? ret : sprintf(buf, "%d\n", ret); -} - -static ssize_t ad2s1210_store_reg(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) -{ - struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - unsigned char data; - int ret; - struct iio_dev_attr *iattr = to_iio_dev_attr(attr); - - ret = kstrtou8(buf, 10, &data); - if (ret) - return -EINVAL; - mutex_lock(&st->lock); - ret = ad2s1210_config_write(st, iattr->address); - if (ret < 0) - goto error_ret; - ret = ad2s1210_config_write(st, data & AD2S1210_MSB_IS_LOW); -error_ret: - mutex_unlock(&st->lock); - return ret < 0 ? ret : len; -} - -static int ad2s1210_read_raw(struct iio_dev *indio_dev, - struct iio_chan_spec const *chan, - int *val, - int *val2, - long m) -{ - struct ad2s1210_state *st = iio_priv(indio_dev); - u16 negative; - int ret = 0; - u16 pos; - s16 vel; - - mutex_lock(&st->lock); - gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 0); - /* delay (6 * tck + 20) nano seconds */ - udelay(1); - - switch (chan->type) { - case IIO_ANGL: - ad2s1210_set_mode(MOD_POS, st); - break; - case IIO_ANGL_VEL: - ad2s1210_set_mode(MOD_VEL, st); - break; - default: - ret = -EINVAL; - break; - } - if (ret < 0) - goto error_ret; - ret = spi_read(st->sdev, st->rx, 2); - if (ret < 0) - goto error_ret; - - switch (chan->type) { - case IIO_ANGL: - pos = be16_to_cpup((__be16 *)st->rx); - if (st->hysteresis) - pos >>= 16 - st->resolution; - *val = pos; - ret = IIO_VAL_INT; - break; - case IIO_ANGL_VEL: - vel = be16_to_cpup((__be16 *)st->rx); - vel >>= 16 - st->resolution; - if (vel & 0x8000) { - negative = (0xffff >> st->resolution) << st->resolution; - vel |= negative; - } - *val = vel; - ret = IIO_VAL_INT; - break; - default: - mutex_unlock(&st->lock); - return -EINVAL; - } - -error_ret: - gpiod_set_value(st->gpios[AD2S1210_SAMPLE], 1); - /* delay (2 * tck + 20) nano seconds */ - udelay(1); - mutex_unlock(&st->lock); - return ret; -} - -static IIO_DEVICE_ATTR(fclkin, 0644, - ad2s1210_show_fclkin, ad2s1210_store_fclkin, 0); -static IIO_DEVICE_ATTR(fexcit, 0644, - ad2s1210_show_fexcit, ad2s1210_store_fexcit, 0); -static IIO_DEVICE_ATTR(control, 0644, - ad2s1210_show_control, ad2s1210_store_control, 0); -static IIO_DEVICE_ATTR(bits, 0644, - ad2s1210_show_resolution, ad2s1210_store_resolution, 0); -static IIO_DEVICE_ATTR(fault, 0644, - ad2s1210_show_fault, ad2s1210_clear_fault, 0); - -static IIO_DEVICE_ATTR(los_thrd, 0644, - ad2s1210_show_reg, ad2s1210_store_reg, - AD2S1210_REG_LOS_THRD); -static IIO_DEVICE_ATTR(dos_ovr_thrd, 0644, - ad2s1210_show_reg, ad2s1210_store_reg, - AD2S1210_REG_DOS_OVR_THRD); -static IIO_DEVICE_ATTR(dos_mis_thrd, 0644, - ad2s1210_show_reg, ad2s1210_store_reg, - AD2S1210_REG_DOS_MIS_THRD); -static IIO_DEVICE_ATTR(dos_rst_max_thrd, 0644, - ad2s1210_show_reg, ad2s1210_store_reg, - AD2S1210_REG_DOS_RST_MAX_THRD); -static IIO_DEVICE_ATTR(dos_rst_min_thrd, 0644, - ad2s1210_show_reg, ad2s1210_store_reg, - AD2S1210_REG_DOS_RST_MIN_THRD); -static IIO_DEVICE_ATTR(lot_high_thrd, 0644, - ad2s1210_show_reg, ad2s1210_store_reg, - AD2S1210_REG_LOT_HIGH_THRD); -static IIO_DEVICE_ATTR(lot_low_thrd, 0644, - ad2s1210_show_reg, ad2s1210_store_reg, - AD2S1210_REG_LOT_LOW_THRD); - -static const struct iio_chan_spec ad2s1210_channels[] = { - { - .type = IIO_ANGL, - .indexed = 1, - .channel = 0, - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - }, { - .type = IIO_ANGL_VEL, - .indexed = 1, - .channel = 0, - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - } -}; - -static struct attribute *ad2s1210_attributes[] = { - &iio_dev_attr_fclkin.dev_attr.attr, - &iio_dev_attr_fexcit.dev_attr.attr, - &iio_dev_attr_control.dev_attr.attr, - &iio_dev_attr_bits.dev_attr.attr, - &iio_dev_attr_fault.dev_attr.attr, - &iio_dev_attr_los_thrd.dev_attr.attr, - &iio_dev_attr_dos_ovr_thrd.dev_attr.attr, - &iio_dev_attr_dos_mis_thrd.dev_attr.attr, - &iio_dev_attr_dos_rst_max_thrd.dev_attr.attr, - &iio_dev_attr_dos_rst_min_thrd.dev_attr.attr, - &iio_dev_attr_lot_high_thrd.dev_attr.attr, - &iio_dev_attr_lot_low_thrd.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ad2s1210_attribute_group = { - .attrs = ad2s1210_attributes, -}; - -static int ad2s1210_initial(struct ad2s1210_state *st) -{ - unsigned char data; - int ret; - - mutex_lock(&st->lock); - ad2s1210_set_resolution_pin(st); - - ret = ad2s1210_config_write(st, AD2S1210_REG_CONTROL); - if (ret < 0) - goto error_ret; - data = AD2S1210_DEF_CONTROL & ~(AD2S1210_SET_RESOLUTION); - data |= (st->resolution - 10) >> 1; - ret = ad2s1210_config_write(st, data); - if (ret < 0) - goto error_ret; - ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL); - if (ret < 0) - goto error_ret; - - if (ret & AD2S1210_MSB_IS_HIGH) { - ret = -EIO; - goto error_ret; - } - - ret = ad2s1210_update_frequency_control_word(st); - if (ret < 0) - goto error_ret; - ret = ad2s1210_soft_reset(st); -error_ret: - mutex_unlock(&st->lock); - return ret; -} - -static const struct iio_info ad2s1210_info = { - .read_raw = ad2s1210_read_raw, - .attrs = &ad2s1210_attribute_group, -}; - -static int ad2s1210_setup_gpios(struct ad2s1210_state *st) -{ - struct spi_device *spi = st->sdev; - int i, ret; - - for (i = 0; i < ARRAY_SIZE(gpios); i++) { - st->gpios[i] = devm_gpiod_get(&spi->dev, gpios[i].name, - gpios[i].flags); - if (IS_ERR(st->gpios[i])) { - ret = PTR_ERR(st->gpios[i]); - dev_err(&spi->dev, - "ad2s1210: failed to request %s GPIO: %d\n", - gpios[i].name, ret); - return ret; - } - } - - return 0; -} - -static int ad2s1210_probe(struct spi_device *spi) -{ - struct iio_dev *indio_dev; - struct ad2s1210_state *st; - int ret; - - indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); - if (!indio_dev) - return -ENOMEM; - st = iio_priv(indio_dev); - ret = ad2s1210_setup_gpios(st); - if (ret < 0) - return ret; - - spi_set_drvdata(spi, indio_dev); - - mutex_init(&st->lock); - st->sdev = spi; - st->hysteresis = true; - st->mode = MOD_CONFIG; - st->resolution = 12; - st->fexcit = AD2S1210_DEF_EXCIT; - - indio_dev->info = &ad2s1210_info; - indio_dev->modes = INDIO_DIRECT_MODE; - indio_dev->channels = ad2s1210_channels; - indio_dev->num_channels = ARRAY_SIZE(ad2s1210_channels); - indio_dev->name = spi_get_device_id(spi)->name; - - ret = devm_iio_device_register(&spi->dev, indio_dev); - if (ret) - return ret; - - st->fclkin = spi->max_speed_hz; - spi->mode = SPI_MODE_3; - spi_setup(spi); - ad2s1210_initial(st); - - return 0; -} - -static const struct of_device_id ad2s1210_of_match[] = { - { .compatible = "adi,ad2s1210", }, - { } -}; -MODULE_DEVICE_TABLE(of, ad2s1210_of_match); - -static const struct spi_device_id ad2s1210_id[] = { - { "ad2s1210" }, - {} -}; -MODULE_DEVICE_TABLE(spi, ad2s1210_id); - -static struct spi_driver ad2s1210_driver = { - .driver = { - .name = DRV_NAME, - .of_match_table = of_match_ptr(ad2s1210_of_match), - }, - .probe = ad2s1210_probe, - .id_table = ad2s1210_id, -}; -module_spi_driver(ad2s1210_driver); - -MODULE_AUTHOR("Graff Yang <graff.yang@gmail.com>"); -MODULE_DESCRIPTION("Analog Devices AD2S1210 Resolver to Digital SPI driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/media/atomisp/Kconfig b/drivers/staging/media/atomisp/Kconfig index 5d8917160d41..75c985da75b5 100644 --- a/drivers/staging/media/atomisp/Kconfig +++ b/drivers/staging/media/atomisp/Kconfig @@ -12,12 +12,12 @@ menuconfig INTEL_ATOMISP config VIDEO_ATOMISP tristate "Intel Atom Image Signal Processor Driver" depends on VIDEO_DEV && INTEL_ATOMISP + depends on IPU_BRIDGE depends on MEDIA_PCI_SUPPORT depends on PMIC_OPREGION depends on I2C select V4L2_FWNODE select IOSF_MBI - select IPU_BRIDGE select VIDEOBUF2_VMALLOC select VIDEO_V4L2_SUBDEV_API help diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index e98b3010520e..94171e62dee9 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -1455,17 +1455,18 @@ static int __maybe_unused vi_runtime_suspend(struct device *dev) } /* - * Graph Management + * Find the entity matching a given fwnode in an v4l2_async_notifier list */ static struct tegra_vi_graph_entity * -tegra_vi_graph_find_entity(struct tegra_vi_channel *chan, +tegra_vi_graph_find_entity(struct list_head *list, const struct fwnode_handle *fwnode) { struct tegra_vi_graph_entity *entity; struct v4l2_async_connection *asd; - list_for_each_entry(asd, &chan->notifier.done_list, asc_entry) { + list_for_each_entry(asd, list, asc_entry) { entity = to_tegra_vi_graph_entity(asd); + if (entity->asd.match.fwnode == fwnode) return entity; } @@ -1532,7 +1533,8 @@ static int tegra_vi_graph_build(struct tegra_vi_channel *chan, } /* find the remote entity from notifier list */ - ent = tegra_vi_graph_find_entity(chan, link.remote_node); + ent = tegra_vi_graph_find_entity(&chan->notifier.done_list, + link.remote_node); if (!ent) { dev_err(vi->dev, "no entity found for %pOF\n", to_of_node(link.remote_node)); @@ -1664,7 +1666,8 @@ static int tegra_vi_graph_notify_bound(struct v4l2_async_notifier *notifier, * Locate the entity corresponding to the bound subdev and store the * subdev pointer. */ - entity = tegra_vi_graph_find_entity(chan, subdev->fwnode); + entity = tegra_vi_graph_find_entity(&chan->notifier.waiting_list, + subdev->fwnode); if (!entity) { dev_err(vi->dev, "no entity for subdev %s\n", subdev->name); return -EINVAL; @@ -1713,7 +1716,8 @@ static int tegra_vi_graph_parse_one(struct tegra_vi_channel *chan, /* skip entities that are already processed */ if (device_match_fwnode(vi->dev, remote) || - tegra_vi_graph_find_entity(chan, remote)) { + tegra_vi_graph_find_entity(&chan->notifier.waiting_list, + remote)) { fwnode_handle_put(remote); continue; } diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c index af155fca39b8..1ff763c10064 100644 --- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c @@ -2317,13 +2317,14 @@ static int cfg80211_rtw_start_ap(struct wiphy *wiphy, struct net_device *ndev, return ret; } -static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, - struct net_device *ndev, - struct cfg80211_beacon_data *info) +static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *ndev, + struct cfg80211_ap_update *info) { struct adapter *adapter = rtw_netdev_priv(ndev); - return rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len); + return rtw_add_beacon(adapter, info->beacon.head, + info->beacon.head_len, info->beacon.tail, + info->beacon.tail_len); } static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev, |