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|
From aa2af4f9994e6209e4b01d259ae67afb5c87e459 Mon Sep 17 00:00:00 2001
From: Markus Proeller <markus.proeller@pieye.org>
Date: Tue, 16 Jun 2020 13:31:36 +0200
Subject: [PATCH] media: irs1125: Atomic access to imager
reconfiguration
Instead of changing the exposure and framerate settings for all sequences,
they can be changed for every sequence individually now. Therefore the
IRS1125_CID_SAFE_RECONFIG ctrl has been removed and replaced by
IRS1125_CID_SAFE_RECONFIG_S<seq_num>_EXPO and *_FRAME ctrls.
The consistency check in the sequence ctrl IRS1125_CID_SEQ_CONFIG
is removed.
Signed-off-by: Markus Proeller <markus.proeller@pieye.org>
---
drivers/media/i2c/irs1125.c | 224 ++++++++++++++++++++++++------------
drivers/media/i2c/irs1125.h | 68 ++++++++---
2 files changed, 204 insertions(+), 88 deletions(-)
--- a/drivers/media/i2c/irs1125.c
+++ b/drivers/media/i2c/irs1125.c
@@ -89,6 +89,52 @@ static inline struct irs1125 *to_state(s
return container_of(sd, struct irs1125, sd);
}
+static const char *expo_ctrl_names[IRS1125_NUM_SEQ_ENTRIES] = {
+ "safe reconfiguration of exposure of sequence 0",
+ "safe reconfiguration of exposure of sequence 1",
+ "safe reconfiguration of exposure of sequence 2",
+ "safe reconfiguration of exposure of sequence 3",
+ "safe reconfiguration of exposure of sequence 4",
+ "safe reconfiguration of exposure of sequence 5",
+ "safe reconfiguration of exposure of sequence 6",
+ "safe reconfiguration of exposure of sequence 7",
+ "safe reconfiguration of exposure of sequence 8",
+ "safe reconfiguration of exposure of sequence 9",
+ "safe reconfiguration of exposure of sequence 10",
+ "safe reconfiguration of exposure of sequence 11",
+ "safe reconfiguration of exposure of sequence 12",
+ "safe reconfiguration of exposure of sequence 13",
+ "safe reconfiguration of exposure of sequence 14",
+ "safe reconfiguration of exposure of sequence 15",
+ "safe reconfiguration of exposure of sequence 16",
+ "safe reconfiguration of exposure of sequence 17",
+ "safe reconfiguration of exposure of sequence 18",
+ "safe reconfiguration of exposure of sequence 19",
+};
+
+static const char *frame_ctrl_names[IRS1125_NUM_SEQ_ENTRIES] = {
+ "safe reconfiguration of framerate of sequence 0",
+ "safe reconfiguration of framerate of sequence 1",
+ "safe reconfiguration of framerate of sequence 2",
+ "safe reconfiguration of framerate of sequence 3",
+ "safe reconfiguration of framerate of sequence 4",
+ "safe reconfiguration of framerate of sequence 5",
+ "safe reconfiguration of framerate of sequence 6",
+ "safe reconfiguration of framerate of sequence 7",
+ "safe reconfiguration of framerate of sequence 8",
+ "safe reconfiguration of framerate of sequence 9",
+ "safe reconfiguration of framerate of sequence 10",
+ "safe reconfiguration of framerate of sequence 11",
+ "safe reconfiguration of framerate of sequence 12",
+ "safe reconfiguration of framerate of sequence 13",
+ "safe reconfiguration of framerate of sequence 14",
+ "safe reconfiguration of framerate of sequence 15",
+ "safe reconfiguration of framerate of sequence 16",
+ "safe reconfiguration of framerate of sequence 17",
+ "safe reconfiguration of framerate of sequence 18",
+ "safe reconfiguration of framerate of sequence 19",
+};
+
static struct regval_list irs1125_26mhz[] = {
{0xB017, 0x0413},
{0xB086, 0x3535},
@@ -561,36 +607,57 @@ static int irs1125_s_ctrl(struct v4l2_ct
struct irs1125 *dev = container_of(ctrl->handler,
struct irs1125, ctrl_handler);
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
- int err, i;
struct irs1125_mod_pll *mod_cur, *mod_new;
- struct irs1125_seq_cfg *cfg_cur, *cfg_new;
u16 addr, val;
-
- err = 0;
+ int err = 0, i;
switch (ctrl->id) {
- case IRS1125_CID_SAFE_RECONFIG:
- {
- struct irs1125_illu *illu_cur, *illu_new;
-
- illu_new = (struct irs1125_illu *)ctrl->p_new.p;
- illu_cur = (struct irs1125_illu *)ctrl->p_cur.p;
- for (i = 0; i < IRS1125_NUM_SEQ_ENTRIES; i++) {
- if (illu_cur[i].exposure != illu_new[i].exposure) {
- addr = 0xA850 + i * 2;
- val = illu_new[i].exposure;
- err = irs1125_write(&dev->sd, addr, val);
- if (err < 0)
- break;
- }
- if (illu_cur[i].framerate != illu_new[i].framerate) {
- addr = 0xA851 + i * 2;
- val = illu_new[i].framerate;
- err = irs1125_write(&dev->sd, addr, val);
- if (err < 0)
- break;
- }
- }
+ case IRS1125_CID_SAFE_RECONFIG_S0_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S0_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S1_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S1_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S2_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S2_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S3_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S3_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S4_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S4_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S5_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S5_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S6_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S6_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S7_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S7_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S8_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S8_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S9_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S9_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S10_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S10_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S11_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S11_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S12_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S12_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S13_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S13_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S14_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S14_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S15_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S15_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S16_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S16_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S17_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S17_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S18_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S18_FRAME:
+ case IRS1125_CID_SAFE_RECONFIG_S19_EXPO:
+ case IRS1125_CID_SAFE_RECONFIG_S19_FRAME: {
+ unsigned int offset = ctrl->id -
+ IRS1125_CID_SAFE_RECONFIG_S0_EXPO;
+
+ err = irs1125_write(&dev->sd,
+ IRS1125_REG_SAFE_RECONFIG + offset,
+ ctrl->val);
break;
}
case IRS1125_CID_MOD_PLL:
@@ -655,40 +722,40 @@ static int irs1125_s_ctrl(struct v4l2_ct
}
}
break;
- case IRS1125_CID_SEQ_CONFIG:
+ case IRS1125_CID_SEQ_CONFIG: {
+ struct irs1125_seq_cfg *cfg_new;
+
cfg_new = (struct irs1125_seq_cfg *)ctrl->p_new.p;
- cfg_cur = (struct irs1125_seq_cfg *)ctrl->p_cur.p;
for (i = 0; i < IRS1125_NUM_SEQ_ENTRIES; i++) {
- if (cfg_cur[i].exposure != cfg_new[i].exposure) {
- addr = IRS1125_REG_DMEM_SHADOW + i * 4;
- val = cfg_new[i].exposure;
- err = irs1125_write(&dev->sd, addr, val);
- if (err < 0)
- break;
- }
- if (cfg_cur[i].framerate != cfg_new[i].framerate) {
- addr = IRS1125_REG_DMEM_SHADOW + 1 + i * 4;
- val = cfg_new[i].framerate;
- err = irs1125_write(&dev->sd, addr, val);
- if (err < 0)
- break;
- }
- if (cfg_cur[i].ps != cfg_new[i].ps) {
- addr = IRS1125_REG_DMEM_SHADOW + 2 + i * 4;
- val = cfg_new[i].ps;
- err = irs1125_write(&dev->sd, addr, val);
- if (err < 0)
- break;
- }
- if (cfg_cur[i].pll != cfg_new[i].pll) {
- addr = IRS1125_REG_DMEM_SHADOW + 3 + i * 4;
- val = cfg_new[i].pll;
- err = irs1125_write(&dev->sd, addr, val);
- if (err < 0)
- break;
- }
+ unsigned int seq_offset = i * 4;
+ u16 addr, val;
+
+ addr = IRS1125_REG_DMEM_SHADOW + seq_offset;
+ val = cfg_new[i].exposure;
+ err = irs1125_write(&dev->sd, addr, val);
+ if (err < 0)
+ break;
+
+ addr = IRS1125_REG_DMEM_SHADOW + 1 + seq_offset;
+ val = cfg_new[i].framerate;
+ err = irs1125_write(&dev->sd, addr, val);
+ if (err < 0)
+ break;
+
+ addr = IRS1125_REG_DMEM_SHADOW + 2 + seq_offset;
+ val = cfg_new[i].ps;
+ err = irs1125_write(&dev->sd, addr, val);
+ if (err < 0)
+ break;
+
+ addr = IRS1125_REG_DMEM_SHADOW + 3 + seq_offset;
+ val = cfg_new[i].pll;
+ err = irs1125_write(&dev->sd, addr, val);
+ if (err < 0)
+ break;
}
break;
+ }
case IRS1125_CID_NUM_SEQS:
err = irs1125_write(&dev->sd, 0xA88D, ctrl->val - 1);
if (err >= 0)
@@ -760,19 +827,6 @@ static const struct v4l2_ctrl_config irs
IRS1125_NUM_MOD_PLLS}
}, {
.ops = &irs1125_ctrl_ops,
- .id = IRS1125_CID_SAFE_RECONFIG,
- .name = "Change exposure and pause of single seq",
- .type = V4L2_CTRL_TYPE_U16,
- .flags = V4L2_CTRL_FLAG_HAS_PAYLOAD,
- .min = 0,
- .max = U16_MAX,
- .step = 1,
- .def = 0,
- .elem_size = sizeof(u16),
- .dims = {sizeof(struct irs1125_illu) / sizeof(u16),
- IRS1125_NUM_SEQ_ENTRIES}
- }, {
- .ops = &irs1125_ctrl_ops,
.id = IRS1125_CID_SEQ_CONFIG,
.name = "Change sequence settings",
.type = V4L2_CTRL_TYPE_U16,
@@ -900,9 +954,16 @@ static int irs1125_ctrls_init(struct irs
{
struct v4l2_ctrl *ctrl;
int err, i;
- struct v4l2_ctrl_handler *hdl;
+ struct v4l2_ctrl_handler *hdl = &sensor->ctrl_handler;
+ struct v4l2_ctrl_config ctrl_cfg = {
+ .ops = &irs1125_ctrl_ops,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .min = 0,
+ .max = U16_MAX,
+ .step = 1,
+ .def = 0x1000
+ };
- hdl = &sensor->ctrl_handler;
v4l2_ctrl_handler_init(hdl, ARRAY_SIZE(irs1125_custom_ctrls));
for (i = 0; i < ARRAY_SIZE(irs1125_custom_ctrls); i++) {
@@ -923,6 +984,27 @@ static int irs1125_ctrls_init(struct irs
goto error_ctrls;
}
+ for (i = 0; i < IRS1125_NUM_SEQ_ENTRIES; i++) {
+ ctrl_cfg.name = expo_ctrl_names[i];
+ ctrl_cfg.id = IRS1125_CID_SAFE_RECONFIG_S0_EXPO + i * 2;
+ ctrl = v4l2_ctrl_new_custom(hdl, &ctrl_cfg,
+ NULL);
+ if (!ctrl)
+ dev_err(dev, "Failed to init exposure control %s\n",
+ ctrl_cfg.name);
+ }
+
+ ctrl_cfg.def = 0;
+ for (i = 0; i < IRS1125_NUM_SEQ_ENTRIES; i++) {
+ ctrl_cfg.name = frame_ctrl_names[i];
+ ctrl_cfg.id = IRS1125_CID_SAFE_RECONFIG_S0_FRAME + i * 2;
+ ctrl = v4l2_ctrl_new_custom(hdl, &ctrl_cfg,
+ NULL);
+ if (!ctrl)
+ dev_err(dev, "Failed to init framerate control %s\n",
+ ctrl_cfg.name);
+ }
+
sensor->sd.ctrl_handler = hdl;
return 0;
--- a/drivers/media/i2c/irs1125.h
+++ b/drivers/media/i2c/irs1125.h
@@ -21,18 +21,57 @@
#define IRS1125_NUM_SEQ_ENTRIES 20
#define IRS1125_NUM_MOD_PLLS 4
-#define IRS1125_CID_CUSTOM_BASE (V4L2_CID_USER_BASE | 0xf000)
-#define IRS1125_CID_SAFE_RECONFIG (IRS1125_CID_CUSTOM_BASE + 0)
-#define IRS1125_CID_CONTINUOUS_TRIG (IRS1125_CID_CUSTOM_BASE + 1)
-#define IRS1125_CID_TRIGGER (IRS1125_CID_CUSTOM_BASE + 2)
-#define IRS1125_CID_RECONFIG (IRS1125_CID_CUSTOM_BASE + 3)
-#define IRS1125_CID_ILLU_ON (IRS1125_CID_CUSTOM_BASE + 4)
-#define IRS1125_CID_NUM_SEQS (IRS1125_CID_CUSTOM_BASE + 5)
-#define IRS1125_CID_MOD_PLL (IRS1125_CID_CUSTOM_BASE + 6)
-#define IRS1125_CID_SEQ_CONFIG (IRS1125_CID_CUSTOM_BASE + 7)
-#define IRS1125_CID_IDENT0 (IRS1125_CID_CUSTOM_BASE + 8)
-#define IRS1125_CID_IDENT1 (IRS1125_CID_CUSTOM_BASE + 9)
-#define IRS1125_CID_IDENT2 (IRS1125_CID_CUSTOM_BASE + 10)
+#define IRS1125_CID_CUSTOM_BASE (V4L2_CID_USER_BASE | 0xf000)
+#define IRS1125_CID_CONTINUOUS_TRIG (IRS1125_CID_CUSTOM_BASE + 1)
+#define IRS1125_CID_TRIGGER (IRS1125_CID_CUSTOM_BASE + 2)
+#define IRS1125_CID_RECONFIG (IRS1125_CID_CUSTOM_BASE + 3)
+#define IRS1125_CID_ILLU_ON (IRS1125_CID_CUSTOM_BASE + 4)
+#define IRS1125_CID_NUM_SEQS (IRS1125_CID_CUSTOM_BASE + 5)
+#define IRS1125_CID_MOD_PLL (IRS1125_CID_CUSTOM_BASE + 6)
+#define IRS1125_CID_SEQ_CONFIG (IRS1125_CID_CUSTOM_BASE + 7)
+#define IRS1125_CID_IDENT0 (IRS1125_CID_CUSTOM_BASE + 8)
+#define IRS1125_CID_IDENT1 (IRS1125_CID_CUSTOM_BASE + 9)
+#define IRS1125_CID_IDENT2 (IRS1125_CID_CUSTOM_BASE + 10)
+#define IRS1125_CID_SAFE_RECONFIG_S0_EXPO (IRS1125_CID_CUSTOM_BASE + 11)
+#define IRS1125_CID_SAFE_RECONFIG_S0_FRAME (IRS1125_CID_CUSTOM_BASE + 12)
+#define IRS1125_CID_SAFE_RECONFIG_S1_EXPO (IRS1125_CID_CUSTOM_BASE + 13)
+#define IRS1125_CID_SAFE_RECONFIG_S1_FRAME (IRS1125_CID_CUSTOM_BASE + 14)
+#define IRS1125_CID_SAFE_RECONFIG_S2_EXPO (IRS1125_CID_CUSTOM_BASE + 15)
+#define IRS1125_CID_SAFE_RECONFIG_S2_FRAME (IRS1125_CID_CUSTOM_BASE + 16)
+#define IRS1125_CID_SAFE_RECONFIG_S3_EXPO (IRS1125_CID_CUSTOM_BASE + 17)
+#define IRS1125_CID_SAFE_RECONFIG_S3_FRAME (IRS1125_CID_CUSTOM_BASE + 18)
+#define IRS1125_CID_SAFE_RECONFIG_S4_EXPO (IRS1125_CID_CUSTOM_BASE + 19)
+#define IRS1125_CID_SAFE_RECONFIG_S4_FRAME (IRS1125_CID_CUSTOM_BASE + 20)
+#define IRS1125_CID_SAFE_RECONFIG_S5_EXPO (IRS1125_CID_CUSTOM_BASE + 21)
+#define IRS1125_CID_SAFE_RECONFIG_S5_FRAME (IRS1125_CID_CUSTOM_BASE + 22)
+#define IRS1125_CID_SAFE_RECONFIG_S6_EXPO (IRS1125_CID_CUSTOM_BASE + 23)
+#define IRS1125_CID_SAFE_RECONFIG_S6_FRAME (IRS1125_CID_CUSTOM_BASE + 24)
+#define IRS1125_CID_SAFE_RECONFIG_S7_EXPO (IRS1125_CID_CUSTOM_BASE + 25)
+#define IRS1125_CID_SAFE_RECONFIG_S7_FRAME (IRS1125_CID_CUSTOM_BASE + 26)
+#define IRS1125_CID_SAFE_RECONFIG_S8_EXPO (IRS1125_CID_CUSTOM_BASE + 27)
+#define IRS1125_CID_SAFE_RECONFIG_S8_FRAME (IRS1125_CID_CUSTOM_BASE + 28)
+#define IRS1125_CID_SAFE_RECONFIG_S9_EXPO (IRS1125_CID_CUSTOM_BASE + 29)
+#define IRS1125_CID_SAFE_RECONFIG_S9_FRAME (IRS1125_CID_CUSTOM_BASE + 30)
+#define IRS1125_CID_SAFE_RECONFIG_S10_EXPO (IRS1125_CID_CUSTOM_BASE + 31)
+#define IRS1125_CID_SAFE_RECONFIG_S10_FRAME (IRS1125_CID_CUSTOM_BASE + 32)
+#define IRS1125_CID_SAFE_RECONFIG_S11_EXPO (IRS1125_CID_CUSTOM_BASE + 33)
+#define IRS1125_CID_SAFE_RECONFIG_S11_FRAME (IRS1125_CID_CUSTOM_BASE + 34)
+#define IRS1125_CID_SAFE_RECONFIG_S12_EXPO (IRS1125_CID_CUSTOM_BASE + 35)
+#define IRS1125_CID_SAFE_RECONFIG_S12_FRAME (IRS1125_CID_CUSTOM_BASE + 36)
+#define IRS1125_CID_SAFE_RECONFIG_S13_EXPO (IRS1125_CID_CUSTOM_BASE + 37)
+#define IRS1125_CID_SAFE_RECONFIG_S13_FRAME (IRS1125_CID_CUSTOM_BASE + 38)
+#define IRS1125_CID_SAFE_RECONFIG_S14_EXPO (IRS1125_CID_CUSTOM_BASE + 39)
+#define IRS1125_CID_SAFE_RECONFIG_S14_FRAME (IRS1125_CID_CUSTOM_BASE + 40)
+#define IRS1125_CID_SAFE_RECONFIG_S15_EXPO (IRS1125_CID_CUSTOM_BASE + 41)
+#define IRS1125_CID_SAFE_RECONFIG_S15_FRAME (IRS1125_CID_CUSTOM_BASE + 42)
+#define IRS1125_CID_SAFE_RECONFIG_S16_EXPO (IRS1125_CID_CUSTOM_BASE + 43)
+#define IRS1125_CID_SAFE_RECONFIG_S16_FRAME (IRS1125_CID_CUSTOM_BASE + 44)
+#define IRS1125_CID_SAFE_RECONFIG_S17_EXPO (IRS1125_CID_CUSTOM_BASE + 45)
+#define IRS1125_CID_SAFE_RECONFIG_S17_FRAME (IRS1125_CID_CUSTOM_BASE + 46)
+#define IRS1125_CID_SAFE_RECONFIG_S18_EXPO (IRS1125_CID_CUSTOM_BASE + 47)
+#define IRS1125_CID_SAFE_RECONFIG_S18_FRAME (IRS1125_CID_CUSTOM_BASE + 48)
+#define IRS1125_CID_SAFE_RECONFIG_S19_EXPO (IRS1125_CID_CUSTOM_BASE + 49)
+#define IRS1125_CID_SAFE_RECONFIG_S19_FRAME (IRS1125_CID_CUSTOM_BASE + 50)
struct irs1125_seq_cfg {
__u16 exposure;
@@ -41,11 +80,6 @@ struct irs1125_seq_cfg {
__u16 pll;
};
-struct irs1125_illu {
- __u16 exposure;
- __u16 framerate;
-};
-
struct irs1125_mod_pll {
__u16 pllcfg1;
__u16 pllcfg2;
|
