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path: root/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
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Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c')
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c125
1 files changed, 41 insertions, 84 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
index b5e929f1bf82..63db04fe12d3 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c
@@ -1,26 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
*
- *
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#include <linux/i2c.h>
#include <linux/module.h>
-#include <media/ir-kbd-i2c.h>
+#include <media/i2c/ir-kbd-i2c.h>
#include "pvrusb2-i2c-core.h"
#include "pvrusb2-hdw-internal.h"
#include "pvrusb2-debug.h"
@@ -62,8 +48,7 @@ static int pvr2_i2c_write(struct pvr2_hdw *hdw, /* Context */
if (!data) length = 0;
if (length > (sizeof(hdw->cmd_buffer) - 3)) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
- "Killing an I2C write to %u that is too large"
- " (desired=%u limit=%u)",
+ "Killing an I2C write to %u that is too large (desired=%u limit=%u)",
i2c_addr,
length,(unsigned int)(sizeof(hdw->cmd_buffer) - 3));
return -ENOTSUPP;
@@ -90,8 +75,7 @@ static int pvr2_i2c_write(struct pvr2_hdw *hdw, /* Context */
if (hdw->cmd_buffer[0] != 8) {
ret = -EIO;
if (hdw->cmd_buffer[0] != 7) {
- trace_i2c("unexpected status"
- " from i2_write[%d]: %d",
+ trace_i2c("unexpected status from i2_write[%d]: %d",
i2c_addr,hdw->cmd_buffer[0]);
}
}
@@ -116,16 +100,14 @@ static int pvr2_i2c_read(struct pvr2_hdw *hdw, /* Context */
if (!data) dlen = 0;
if (dlen > (sizeof(hdw->cmd_buffer) - 4)) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
- "Killing an I2C read to %u that has wlen too large"
- " (desired=%u limit=%u)",
+ "Killing an I2C read to %u that has wlen too large (desired=%u limit=%u)",
i2c_addr,
dlen,(unsigned int)(sizeof(hdw->cmd_buffer) - 4));
return -ENOTSUPP;
}
if (res && (rlen > (sizeof(hdw->cmd_buffer) - 1))) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
- "Killing an I2C read to %u that has rlen too large"
- " (desired=%u limit=%u)",
+ "Killing an I2C read to %u that has rlen too large (desired=%u limit=%u)",
i2c_addr,
rlen,(unsigned int)(sizeof(hdw->cmd_buffer) - 1));
return -ENOTSUPP;
@@ -154,8 +136,7 @@ static int pvr2_i2c_read(struct pvr2_hdw *hdw, /* Context */
if (hdw->cmd_buffer[0] != 8) {
ret = -EIO;
if (hdw->cmd_buffer[0] != 7) {
- trace_i2c("unexpected status"
- " from i2_read[%d]: %d",
+ trace_i2c("unexpected status from i2_read[%d]: %d",
i2c_addr,hdw->cmd_buffer[0]);
}
}
@@ -352,13 +333,11 @@ static int i2c_hack_cx25840(struct pvr2_hdw *hdw,
if ((ret != 0) || (*rdata == 0x04) || (*rdata == 0x0a)) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
- "WARNING: Detected a wedged cx25840 chip;"
- " the device will not work.");
+ "***WARNING*** Detected a wedged cx25840 chip; the device will not work.");
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
- "WARNING: Try power cycling the pvrusb2 device.");
+ "***WARNING*** Try power cycling the pvrusb2 device.");
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
- "WARNING: Disabling further access to the device"
- " to prevent other foul-ups.");
+ "***WARNING*** Disabling further access to the device to prevent other foul-ups.");
// This blocks all further communication with the part.
hdw->i2c_func[0x44] = NULL;
pvr2_hdw_render_useless(hdw);
@@ -444,8 +423,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
}
} else if (num == 2) {
if (msgs[0].addr != msgs[1].addr) {
- trace_i2c("i2c refusing 2 phase transfer with"
- " conflicting target addresses");
+ trace_i2c("i2c refusing 2 phase transfer with conflicting target addresses");
ret = -ENOTSUPP;
goto done;
}
@@ -477,8 +455,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
ret = 2;
goto done;
} else {
- trace_i2c("i2c refusing complex transfer"
- " read0=%d read1=%d",
+ trace_i2c("i2c refusing complex transfer read0=%d read1=%d",
(msgs[0].flags & I2C_M_RD),
(msgs[1].flags & I2C_M_RD));
}
@@ -491,9 +468,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
unsigned int idx,offs,cnt;
for (idx = 0; idx < num; idx++) {
cnt = msgs[idx].len;
- printk(KERN_INFO
- "pvrusb2 i2c xfer %u/%u:"
- " addr=0x%x len=%d %s",
+ pr_info("pvrusb2 i2c xfer %u/%u: addr=0x%x len=%d %s",
idx+1,num,
msgs[idx].addr,
cnt,
@@ -501,22 +476,21 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
"read" : "write"));
if ((ret > 0) || !(msgs[idx].flags & I2C_M_RD)) {
if (cnt > 8) cnt = 8;
- printk(" [");
- for (offs = 0; offs < (cnt>8?8:cnt); offs++) {
- if (offs) printk(" ");
- printk("%02x",msgs[idx].buf[offs]);
+ pr_cont(" [");
+ for (offs = 0; offs < cnt; offs++) {
+ if (offs) pr_cont(" ");
+ pr_cont("%02x", msgs[idx].buf[offs]);
}
- if (offs < cnt) printk(" ...");
- printk("]");
+ if (offs < cnt) pr_cont(" ...");
+ pr_cont("]");
}
if (idx+1 == num) {
- printk(" result=%d",ret);
+ pr_cont(" result=%d", ret);
}
- printk("\n");
+ pr_cont("\n");
}
if (!num) {
- printk(KERN_INFO
- "pvrusb2 i2c xfer null transfer result=%d\n",
+ pr_info("pvrusb2 i2c xfer null transfer result=%d\n",
ret);
}
}
@@ -528,12 +502,12 @@ static u32 pvr2_i2c_functionality(struct i2c_adapter *adap)
return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
}
-static struct i2c_algorithm pvr2_i2c_algo_template = {
+static const struct i2c_algorithm pvr2_i2c_algo_template = {
.master_xfer = pvr2_i2c_xfer,
.functionality = pvr2_i2c_functionality,
};
-static struct i2c_adapter pvr2_i2c_adap_template = {
+static const struct i2c_adapter pvr2_i2c_adap_template = {
.owner = THIS_MODULE,
.class = 0,
};
@@ -556,14 +530,14 @@ static int do_i2c_probe(struct pvr2_hdw *hdw, int addr)
static void do_i2c_scan(struct pvr2_hdw *hdw)
{
int i;
- printk(KERN_INFO "%s: i2c scan beginning\n", hdw->name);
+ pr_info("%s: i2c scan beginning\n", hdw->name);
for (i = 0; i < 128; i++) {
if (do_i2c_probe(hdw, i)) {
- printk(KERN_INFO "%s: i2c scan: found device @ 0x%x\n",
+ pr_info("%s: i2c scan: found device @ 0x%x\n",
hdw->name, i);
}
}
- printk(KERN_INFO "%s: i2c scan done.\n", hdw->name);
+ pr_info("%s: i2c scan done.\n", hdw->name);
}
static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw)
@@ -581,37 +555,31 @@ static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw)
case PVR2_IR_SCHEME_29XXX: /* Original 29xxx device */
init_data->ir_codes = RC_MAP_HAUPPAUGE;
init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP;
- init_data->type = RC_BIT_RC5;
+ init_data->type = RC_PROTO_BIT_RC5;
init_data->name = hdw->hdw_desc->description;
init_data->polling_interval = 100; /* ms From ir-kbd-i2c */
/* IR Receiver */
info.addr = 0x18;
info.platform_data = init_data;
- strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
+ strscpy(info.type, "ir_video", I2C_NAME_SIZE);
pvr2_trace(PVR2_TRACE_INFO, "Binding %s to i2c address 0x%02x.",
info.type, info.addr);
- i2c_new_device(&hdw->i2c_adap, &info);
+ i2c_new_client_device(&hdw->i2c_adap, &info);
break;
case PVR2_IR_SCHEME_ZILOG: /* HVR-1950 style */
case PVR2_IR_SCHEME_24XXX_MCE: /* 24xxx MCE device */
- init_data->ir_codes = RC_MAP_HAUPPAUGE;
+ init_data->ir_codes = RC_MAP_HAUPPAUGE;
init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
- init_data->type = RC_BIT_RC5;
- init_data->name = hdw->hdw_desc->description;
- /* IR Receiver */
- info.addr = 0x71;
- info.platform_data = init_data;
- strlcpy(info.type, "ir_rx_z8f0811_haup", I2C_NAME_SIZE);
- pvr2_trace(PVR2_TRACE_INFO, "Binding %s to i2c address 0x%02x.",
- info.type, info.addr);
- i2c_new_device(&hdw->i2c_adap, &info);
- /* IR Trasmitter */
- info.addr = 0x70;
+ init_data->type = RC_PROTO_BIT_RC5 | RC_PROTO_BIT_RC6_MCE |
+ RC_PROTO_BIT_RC6_6A_32;
+ init_data->name = hdw->hdw_desc->description;
+ /* IR Transceiver */
+ info.addr = 0x71;
info.platform_data = init_data;
- strlcpy(info.type, "ir_tx_z8f0811_haup", I2C_NAME_SIZE);
+ strscpy(info.type, "ir_z8f0811_haup", I2C_NAME_SIZE);
pvr2_trace(PVR2_TRACE_INFO, "Binding %s to i2c address 0x%02x.",
info.type, info.addr);
- i2c_new_device(&hdw->i2c_adap, &info);
+ i2c_new_client_device(&hdw->i2c_adap, &info);
break;
default:
/* The device either doesn't support I2C-based IR or we
@@ -632,7 +600,7 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw)
/* However, deal with various special cases for 24xxx hardware. */
if (ir_mode[hdw->unit_number] == 0) {
- printk(KERN_INFO "%s: IR disabled\n",hdw->name);
+ pr_info("%s: IR disabled\n", hdw->name);
hdw->i2c_func[0x18] = i2c_black_hole;
} else if (ir_mode[hdw->unit_number] == 1) {
if (hdw->ir_scheme_active == PVR2_IR_SCHEME_24XXX) {
@@ -651,7 +619,7 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw)
// Configure the adapter and set up everything else related to it.
hdw->i2c_adap = pvr2_i2c_adap_template;
hdw->i2c_algo = pvr2_i2c_algo_template;
- strlcpy(hdw->i2c_adap.name,hdw->name,sizeof(hdw->i2c_adap.name));
+ strscpy(hdw->i2c_adap.name, hdw->name, sizeof(hdw->i2c_adap.name));
hdw->i2c_adap.dev.parent = &hdw->usb_dev->dev;
hdw->i2c_adap.algo = &hdw->i2c_algo;
hdw->i2c_adap.algo_data = hdw;
@@ -667,8 +635,7 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw)
the emulated IR receiver. */
if (do_i2c_probe(hdw, 0x71)) {
pvr2_trace(PVR2_TRACE_INFO,
- "Device has newer IR hardware;"
- " disabling unneeded virtual IR device");
+ "Device has newer IR hardware; disabling unneeded virtual IR device");
hdw->i2c_func[0x18] = NULL;
/* Remember that this is a different device... */
hdw->ir_scheme_active = PVR2_IR_SCHEME_24XXX_MCE;
@@ -686,13 +653,3 @@ void pvr2_i2c_core_done(struct pvr2_hdw *hdw)
hdw->i2c_linked = 0;
}
}
-
-/*
- Stuff for Emacs to see, in order to encourage consistent editing style:
- *** Local Variables: ***
- *** mode: c ***
- *** fill-column: 75 ***
- *** tab-width: 8 ***
- *** c-basic-offset: 8 ***
- *** End: ***
- */
generated by cgit (git 2.34.1) at 2025-12-25 18:55:35 +0000