diff options
Diffstat (limited to 'drivers/media/i2c/imx355.c')
| -rw-r--r-- | drivers/media/i2c/imx355.c | 67 |
1 files changed, 26 insertions, 41 deletions
diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c index 8c995c58743a..b2dce67c0b6b 100644 --- a/drivers/media/i2c/imx355.c +++ b/drivers/media/i2c/imx355.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (C) 2018 Intel Corporation -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/acpi.h> #include <linux/i2c.h> #include <linux/module.h> @@ -56,7 +56,7 @@ #define IMX355_REG_ORIENTATION 0x0101 /* default link frequency and external clock */ -#define IMX355_LINK_FREQ_DEFAULT 360000000 +#define IMX355_LINK_FREQ_DEFAULT 360000000LL #define IMX355_EXT_CLK 19200000 #define IMX355_LINK_FREQ_INDEX 0 @@ -93,8 +93,7 @@ struct imx355_mode { struct imx355_hwcfg { u32 ext_clk; /* sensor external clk */ - s64 *link_freqs; /* CSI-2 link frequencies */ - unsigned int nr_of_link_freqs; + unsigned long link_freq_bitmap; }; struct imx355 { @@ -115,7 +114,6 @@ struct imx355 { const struct imx355_mode *cur_mode; struct imx355_hwcfg *hwcfg; - s64 link_def_freq; /* CSI-2 link default frequency */ /* * Mutex for serialized access: @@ -879,7 +877,10 @@ static const char * const imx355_test_pattern_menu[] = { "Pseudorandom Sequence (PN9)", }; -/* supported link frequencies */ +/* + * When adding more than the one below, make sure the disallowed ones will + * actually be disabled in the LINK_FREQ control. + */ static const s64 link_freq_menu_items[] = { IMX355_LINK_FREQ_DEFAULT, }; @@ -1356,7 +1357,7 @@ imx355_set_pad_format(struct v4l2_subdev *sd, *framefmt = fmt->format; } else { imx355->cur_mode = mode; - pixel_rate = imx355->link_def_freq * 2 * 4; + pixel_rate = IMX355_LINK_FREQ_DEFAULT * 2 * 4; do_div(pixel_rate, 10); __v4l2_ctrl_s_ctrl_int64(imx355->pixel_rate, pixel_rate); /* Update limits and set FPS to default */ @@ -1519,6 +1520,7 @@ static const struct v4l2_subdev_internal_ops imx355_internal_ops = { static int imx355_init_controls(struct imx355 *imx355) { struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd); + struct v4l2_fwnode_device_properties props; struct v4l2_ctrl_handler *ctrl_hdlr; s64 exposure_max; s64 vblank_def; @@ -1530,7 +1532,7 @@ static int imx355_init_controls(struct imx355 *imx355) int ret; ctrl_hdlr = &imx355->ctrl_handler; - ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10); + ret = v4l2_ctrl_handler_init(ctrl_hdlr, 12); if (ret) return ret; @@ -1543,7 +1545,7 @@ static int imx355_init_controls(struct imx355 *imx355) imx355->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */ - pixel_rate = imx355->link_def_freq * 2 * 4; + pixel_rate = IMX355_LINK_FREQ_DEFAULT * 2 * 4; do_div(pixel_rate, 10); /* By default, PIXEL_RATE is read only */ imx355->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, @@ -1602,6 +1604,15 @@ static int imx355_init_controls(struct imx355 *imx355) goto error; } + ret = v4l2_fwnode_device_parse(&client->dev, &props); + if (ret) + goto error; + + ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &imx355_ctrl_ops, + &props); + if (ret) + goto error; + imx355->sd.ctrl_handler = ctrl_hdlr; return 0; @@ -1620,7 +1631,6 @@ static struct imx355_hwcfg *imx355_get_hwcfg(struct device *dev) }; struct fwnode_handle *ep; struct fwnode_handle *fwnode = dev_fwnode(dev); - unsigned int i; int ret; if (!fwnode) @@ -1652,24 +1662,14 @@ static struct imx355_hwcfg *imx355_get_hwcfg(struct device *dev) goto out_err; } - dev_dbg(dev, "num of link freqs: %d", bus_cfg.nr_of_link_frequencies); - if (!bus_cfg.nr_of_link_frequencies) { - dev_warn(dev, "no link frequencies defined"); - goto out_err; - } - - cfg->nr_of_link_freqs = bus_cfg.nr_of_link_frequencies; - cfg->link_freqs = devm_kcalloc(dev, - bus_cfg.nr_of_link_frequencies + 1, - sizeof(*cfg->link_freqs), GFP_KERNEL); - if (!cfg->link_freqs) + ret = v4l2_link_freq_to_bitmap(dev, bus_cfg.link_frequencies, + bus_cfg.nr_of_link_frequencies, + link_freq_menu_items, + ARRAY_SIZE(link_freq_menu_items), + &cfg->link_freq_bitmap); + if (ret) goto out_err; - for (i = 0; i < bus_cfg.nr_of_link_frequencies; i++) { - cfg->link_freqs[i] = bus_cfg.link_frequencies[i]; - dev_dbg(dev, "link_freq[%d] = %lld", i, cfg->link_freqs[i]); - } - v4l2_fwnode_endpoint_free(&bus_cfg); fwnode_handle_put(ep); return cfg; @@ -1684,7 +1684,6 @@ static int imx355_probe(struct i2c_client *client) { struct imx355 *imx355; int ret; - u32 i; imx355 = devm_kzalloc(&client->dev, sizeof(*imx355), GFP_KERNEL); if (!imx355) @@ -1709,20 +1708,6 @@ static int imx355_probe(struct i2c_client *client) goto error_probe; } - imx355->link_def_freq = link_freq_menu_items[IMX355_LINK_FREQ_INDEX]; - for (i = 0; i < imx355->hwcfg->nr_of_link_freqs; i++) { - if (imx355->hwcfg->link_freqs[i] == imx355->link_def_freq) { - dev_dbg(&client->dev, "link freq index %d matched", i); - break; - } - } - - if (i == imx355->hwcfg->nr_of_link_freqs) { - dev_err(&client->dev, "no link frequency supported"); - ret = -EINVAL; - goto error_probe; - } - /* Set default mode to max resolution */ imx355->cur_mode = &supported_modes[0]; |