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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 03:13:22 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 19:25:07 (GMT)
commit0c0d06cac63ee327ceaab4b5ffe2206574ab86bd (patch)
treee759f0dc3185d97f2a0c6b5cd5e32ea6faa74d40 /drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
parent84cfe9e79bd5ac11c963f4841158454fefa872f6 (diff)
downloadlinux-fsl-qoriq-0c0d06cac63ee327ceaab4b5ffe2206574ab86bd.tar.xz
[media] rename most media/video usb drivers to media/usb
Rename all USB drivers with their own directory under drivers/media/video into drivers/media/usb and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-i2c-core.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-i2c-core.c698
1 files changed, 0 insertions, 698 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
deleted file mode 100644
index 885ce11..0000000
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
+++ /dev/null
@@ -1,698 +0,0 @@
-/*
- *
- *
- * 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 "pvrusb2-i2c-core.h"
-#include "pvrusb2-hdw-internal.h"
-#include "pvrusb2-debug.h"
-#include "pvrusb2-fx2-cmd.h"
-#include "pvrusb2.h"
-
-#define trace_i2c(...) pvr2_trace(PVR2_TRACE_I2C,__VA_ARGS__)
-
-/*
-
- This module attempts to implement a compliant I2C adapter for the pvrusb2
- device.
-
-*/
-
-static unsigned int i2c_scan;
-module_param(i2c_scan, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(i2c_scan,"scan i2c bus at insmod time");
-
-static int ir_mode[PVR_NUM] = { [0 ... PVR_NUM-1] = 1 };
-module_param_array(ir_mode, int, NULL, 0444);
-MODULE_PARM_DESC(ir_mode,"specify: 0=disable IR reception, 1=normal IR");
-
-static int pvr2_disable_ir_video;
-module_param_named(disable_autoload_ir_video, pvr2_disable_ir_video,
- int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(disable_autoload_ir_video,
- "1=do not try to autoload ir_video IR receiver");
-
-static int pvr2_i2c_write(struct pvr2_hdw *hdw, /* Context */
- u8 i2c_addr, /* I2C address we're talking to */
- u8 *data, /* Data to write */
- u16 length) /* Size of data to write */
-{
- /* Return value - default 0 means success */
- int ret;
-
-
- 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)",
- i2c_addr,
- length,(unsigned int)(sizeof(hdw->cmd_buffer) - 3));
- return -ENOTSUPP;
- }
-
- LOCK_TAKE(hdw->ctl_lock);
-
- /* Clear the command buffer (likely to be paranoia) */
- memset(hdw->cmd_buffer, 0, sizeof(hdw->cmd_buffer));
-
- /* Set up command buffer for an I2C write */
- hdw->cmd_buffer[0] = FX2CMD_I2C_WRITE; /* write prefix */
- hdw->cmd_buffer[1] = i2c_addr; /* i2c addr of chip */
- hdw->cmd_buffer[2] = length; /* length of what follows */
- if (length) memcpy(hdw->cmd_buffer + 3, data, length);
-
- /* Do the operation */
- ret = pvr2_send_request(hdw,
- hdw->cmd_buffer,
- length + 3,
- hdw->cmd_buffer,
- 1);
- if (!ret) {
- if (hdw->cmd_buffer[0] != 8) {
- ret = -EIO;
- if (hdw->cmd_buffer[0] != 7) {
- trace_i2c("unexpected status"
- " from i2_write[%d]: %d",
- i2c_addr,hdw->cmd_buffer[0]);
- }
- }
- }
-
- LOCK_GIVE(hdw->ctl_lock);
-
- return ret;
-}
-
-static int pvr2_i2c_read(struct pvr2_hdw *hdw, /* Context */
- u8 i2c_addr, /* I2C address we're talking to */
- u8 *data, /* Data to write */
- u16 dlen, /* Size of data to write */
- u8 *res, /* Where to put data we read */
- u16 rlen) /* Amount of data to read */
-{
- /* Return value - default 0 means success */
- int ret;
-
-
- 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)",
- 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)",
- i2c_addr,
- rlen,(unsigned int)(sizeof(hdw->cmd_buffer) - 1));
- return -ENOTSUPP;
- }
-
- LOCK_TAKE(hdw->ctl_lock);
-
- /* Clear the command buffer (likely to be paranoia) */
- memset(hdw->cmd_buffer, 0, sizeof(hdw->cmd_buffer));
-
- /* Set up command buffer for an I2C write followed by a read */
- hdw->cmd_buffer[0] = FX2CMD_I2C_READ; /* read prefix */
- hdw->cmd_buffer[1] = dlen; /* arg length */
- hdw->cmd_buffer[2] = rlen; /* answer length. Device will send one
- more byte (status). */
- hdw->cmd_buffer[3] = i2c_addr; /* i2c addr of chip */
- if (dlen) memcpy(hdw->cmd_buffer + 4, data, dlen);
-
- /* Do the operation */
- ret = pvr2_send_request(hdw,
- hdw->cmd_buffer,
- 4 + dlen,
- hdw->cmd_buffer,
- rlen + 1);
- if (!ret) {
- if (hdw->cmd_buffer[0] != 8) {
- ret = -EIO;
- if (hdw->cmd_buffer[0] != 7) {
- trace_i2c("unexpected status"
- " from i2_read[%d]: %d",
- i2c_addr,hdw->cmd_buffer[0]);
- }
- }
- }
-
- /* Copy back the result */
- if (res && rlen) {
- if (ret) {
- /* Error, just blank out the return buffer */
- memset(res, 0, rlen);
- } else {
- memcpy(res, hdw->cmd_buffer + 1, rlen);
- }
- }
-
- LOCK_GIVE(hdw->ctl_lock);
-
- return ret;
-}
-
-/* This is the common low level entry point for doing I2C operations to the
- hardware. */
-static int pvr2_i2c_basic_op(struct pvr2_hdw *hdw,
- u8 i2c_addr,
- u8 *wdata,
- u16 wlen,
- u8 *rdata,
- u16 rlen)
-{
- if (!rdata) rlen = 0;
- if (!wdata) wlen = 0;
- if (rlen || !wlen) {
- return pvr2_i2c_read(hdw,i2c_addr,wdata,wlen,rdata,rlen);
- } else {
- return pvr2_i2c_write(hdw,i2c_addr,wdata,wlen);
- }
-}
-
-
-/* This is a special entry point for cases of I2C transaction attempts to
- the IR receiver. The implementation here simulates the IR receiver by
- issuing a command to the FX2 firmware and using that response to return
- what the real I2C receiver would have returned. We use this for 24xxx
- devices, where the IR receiver chip has been removed and replaced with
- FX2 related logic. */
-static int i2c_24xxx_ir(struct pvr2_hdw *hdw,
- u8 i2c_addr,u8 *wdata,u16 wlen,u8 *rdata,u16 rlen)
-{
- u8 dat[4];
- unsigned int stat;
-
- if (!(rlen || wlen)) {
- /* This is a probe attempt. Just let it succeed. */
- return 0;
- }
-
- /* We don't understand this kind of transaction */
- if ((wlen != 0) || (rlen == 0)) return -EIO;
-
- if (rlen < 3) {
- /* Mike Isely <isely@pobox.com> Appears to be a probe
- attempt from lirc. Just fill in zeroes and return. If
- we try instead to do the full transaction here, then bad
- things seem to happen within the lirc driver module
- (version 0.8.0-7 sources from Debian, when run under
- vanilla 2.6.17.6 kernel) - and I don't have the patience
- to chase it down. */
- if (rlen > 0) rdata[0] = 0;
- if (rlen > 1) rdata[1] = 0;
- return 0;
- }
-
- /* Issue a command to the FX2 to read the IR receiver. */
- LOCK_TAKE(hdw->ctl_lock); do {
- hdw->cmd_buffer[0] = FX2CMD_GET_IR_CODE;
- stat = pvr2_send_request(hdw,
- hdw->cmd_buffer,1,
- hdw->cmd_buffer,4);
- dat[0] = hdw->cmd_buffer[0];
- dat[1] = hdw->cmd_buffer[1];
- dat[2] = hdw->cmd_buffer[2];
- dat[3] = hdw->cmd_buffer[3];
- } while (0); LOCK_GIVE(hdw->ctl_lock);
-
- /* Give up if that operation failed. */
- if (stat != 0) return stat;
-
- /* Mangle the results into something that looks like the real IR
- receiver. */
- rdata[2] = 0xc1;
- if (dat[0] != 1) {
- /* No code received. */
- rdata[0] = 0;
- rdata[1] = 0;
- } else {
- u16 val;
- /* Mash the FX2 firmware-provided IR code into something
- that the normal i2c chip-level driver expects. */
- val = dat[1];
- val <<= 8;
- val |= dat[2];
- val >>= 1;
- val &= ~0x0003;
- val |= 0x8000;
- rdata[0] = (val >> 8) & 0xffu;
- rdata[1] = val & 0xffu;
- }
-
- return 0;
-}
-
-/* This is a special entry point that is entered if an I2C operation is
- attempted to a wm8775 chip on model 24xxx hardware. Autodetect of this
- part doesn't work, but we know it is really there. So let's look for
- the autodetect attempt and just return success if we see that. */
-static int i2c_hack_wm8775(struct pvr2_hdw *hdw,
- u8 i2c_addr,u8 *wdata,u16 wlen,u8 *rdata,u16 rlen)
-{
- if (!(rlen || wlen)) {
- // This is a probe attempt. Just let it succeed.
- return 0;
- }
- return pvr2_i2c_basic_op(hdw,i2c_addr,wdata,wlen,rdata,rlen);
-}
-
-/* This is an entry point designed to always fail any attempt to perform a
- transfer. We use this to cause certain I2C addresses to not be
- probed. */
-static int i2c_black_hole(struct pvr2_hdw *hdw,
- u8 i2c_addr,u8 *wdata,u16 wlen,u8 *rdata,u16 rlen)
-{
- return -EIO;
-}
-
-/* This is a special entry point that is entered if an I2C operation is
- attempted to a cx25840 chip on model 24xxx hardware. This chip can
- sometimes wedge itself. Worse still, when this happens msp3400 can
- falsely detect this part and then the system gets hosed up after msp3400
- gets confused and dies. What we want to do here is try to keep msp3400
- away and also try to notice if the chip is wedged and send a warning to
- the system log. */
-static int i2c_hack_cx25840(struct pvr2_hdw *hdw,
- u8 i2c_addr,u8 *wdata,u16 wlen,u8 *rdata,u16 rlen)
-{
- int ret;
- unsigned int subaddr;
- u8 wbuf[2];
- int state = hdw->i2c_cx25840_hack_state;
-
- if (!(rlen || wlen)) {
- // Probe attempt - always just succeed and don't bother the
- // hardware (this helps to make the state machine further
- // down somewhat easier).
- return 0;
- }
-
- if (state == 3) {
- return pvr2_i2c_basic_op(hdw,i2c_addr,wdata,wlen,rdata,rlen);
- }
-
- /* We're looking for the exact pattern where the revision register
- is being read. The cx25840 module will always look at the
- revision register first. Any other pattern of access therefore
- has to be a probe attempt from somebody else so we'll reject it.
- Normally we could just let each client just probe the part
- anyway, but when the cx25840 is wedged, msp3400 will get a false
- positive and that just screws things up... */
-
- if (wlen == 0) {
- switch (state) {
- case 1: subaddr = 0x0100; break;
- case 2: subaddr = 0x0101; break;
- default: goto fail;
- }
- } else if (wlen == 2) {
- subaddr = (wdata[0] << 8) | wdata[1];
- switch (subaddr) {
- case 0x0100: state = 1; break;
- case 0x0101: state = 2; break;
- default: goto fail;
- }
- } else {
- goto fail;
- }
- if (!rlen) goto success;
- state = 0;
- if (rlen != 1) goto fail;
-
- /* If we get to here then we have a legitimate read for one of the
- two revision bytes, so pass it through. */
- wbuf[0] = subaddr >> 8;
- wbuf[1] = subaddr;
- ret = pvr2_i2c_basic_op(hdw,i2c_addr,wbuf,2,rdata,rlen);
-
- if ((ret != 0) || (*rdata == 0x04) || (*rdata == 0x0a)) {
- pvr2_trace(PVR2_TRACE_ERROR_LEGS,
- "WARNING: Detected a wedged cx25840 chip;"
- " the device will not work.");
- pvr2_trace(PVR2_TRACE_ERROR_LEGS,
- "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.");
- // This blocks all further communication with the part.
- hdw->i2c_func[0x44] = NULL;
- pvr2_hdw_render_useless(hdw);
- goto fail;
- }
-
- /* Success! */
- pvr2_trace(PVR2_TRACE_CHIPS,"cx25840 appears to be OK.");
- state = 3;
-
- success:
- hdw->i2c_cx25840_hack_state = state;
- return 0;
-
- fail:
- hdw->i2c_cx25840_hack_state = state;
- return -EIO;
-}
-
-/* This is a very, very limited I2C adapter implementation. We can only
- support what we actually know will work on the device... */
-static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
- struct i2c_msg msgs[],
- int num)
-{
- int ret = -ENOTSUPP;
- pvr2_i2c_func funcp = NULL;
- struct pvr2_hdw *hdw = (struct pvr2_hdw *)(i2c_adap->algo_data);
-
- if (!num) {
- ret = -EINVAL;
- goto done;
- }
- if (msgs[0].addr < PVR2_I2C_FUNC_CNT) {
- funcp = hdw->i2c_func[msgs[0].addr];
- }
- if (!funcp) {
- ret = -EIO;
- goto done;
- }
-
- if (num == 1) {
- if (msgs[0].flags & I2C_M_RD) {
- /* Simple read */
- u16 tcnt,bcnt,offs;
- if (!msgs[0].len) {
- /* Length == 0 read. This is a probe. */
- if (funcp(hdw,msgs[0].addr,NULL,0,NULL,0)) {
- ret = -EIO;
- goto done;
- }
- ret = 1;
- goto done;
- }
- /* If the read is short enough we'll do the whole
- thing atomically. Otherwise we have no choice
- but to break apart the reads. */
- tcnt = msgs[0].len;
- offs = 0;
- while (tcnt) {
- bcnt = tcnt;
- if (bcnt > sizeof(hdw->cmd_buffer)-1) {
- bcnt = sizeof(hdw->cmd_buffer)-1;
- }
- if (funcp(hdw,msgs[0].addr,NULL,0,
- msgs[0].buf+offs,bcnt)) {
- ret = -EIO;
- goto done;
- }
- offs += bcnt;
- tcnt -= bcnt;
- }
- ret = 1;
- goto done;
- } else {
- /* Simple write */
- ret = 1;
- if (funcp(hdw,msgs[0].addr,
- msgs[0].buf,msgs[0].len,NULL,0)) {
- ret = -EIO;
- }
- goto done;
- }
- } else if (num == 2) {
- if (msgs[0].addr != msgs[1].addr) {
- trace_i2c("i2c refusing 2 phase transfer with"
- " conflicting target addresses");
- ret = -ENOTSUPP;
- goto done;
- }
- if ((!((msgs[0].flags & I2C_M_RD))) &&
- (msgs[1].flags & I2C_M_RD)) {
- u16 tcnt,bcnt,wcnt,offs;
- /* Write followed by atomic read. If the read
- portion is short enough we'll do the whole thing
- atomically. Otherwise we have no choice but to
- break apart the reads. */
- tcnt = msgs[1].len;
- wcnt = msgs[0].len;
- offs = 0;
- while (tcnt || wcnt) {
- bcnt = tcnt;
- if (bcnt > sizeof(hdw->cmd_buffer)-1) {
- bcnt = sizeof(hdw->cmd_buffer)-1;
- }
- if (funcp(hdw,msgs[0].addr,
- msgs[0].buf,wcnt,
- msgs[1].buf+offs,bcnt)) {
- ret = -EIO;
- goto done;
- }
- offs += bcnt;
- tcnt -= bcnt;
- wcnt = 0;
- }
- ret = 2;
- goto done;
- } else {
- trace_i2c("i2c refusing complex transfer"
- " read0=%d read1=%d",
- (msgs[0].flags & I2C_M_RD),
- (msgs[1].flags & I2C_M_RD));
- }
- } else {
- trace_i2c("i2c refusing %d phase transfer",num);
- }
-
- done:
- if (pvrusb2_debug & PVR2_TRACE_I2C_TRAF) {
- 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",
- idx+1,num,
- msgs[idx].addr,
- cnt,
- (msgs[idx].flags & I2C_M_RD ?
- "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]);
- }
- if (offs < cnt) printk(" ...");
- printk("]");
- }
- if (idx+1 == num) {
- printk(" result=%d",ret);
- }
- printk("\n");
- }
- if (!num) {
- printk(KERN_INFO
- "pvrusb2 i2c xfer null transfer result=%d\n",
- ret);
- }
- }
- return ret;
-}
-
-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 = {
- .master_xfer = pvr2_i2c_xfer,
- .functionality = pvr2_i2c_functionality,
-};
-
-static struct i2c_adapter pvr2_i2c_adap_template = {
- .owner = THIS_MODULE,
- .class = 0,
-};
-
-
-/* Return true if device exists at given address */
-static int do_i2c_probe(struct pvr2_hdw *hdw, int addr)
-{
- struct i2c_msg msg[1];
- int rc;
- msg[0].addr = 0;
- msg[0].flags = I2C_M_RD;
- msg[0].len = 0;
- msg[0].buf = NULL;
- msg[0].addr = addr;
- rc = i2c_transfer(&hdw->i2c_adap, msg, ARRAY_SIZE(msg));
- return rc == 1;
-}
-
-static void do_i2c_scan(struct pvr2_hdw *hdw)
-{
- int i;
- printk(KERN_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",
- hdw->name, i);
- }
- }
- printk(KERN_INFO "%s: i2c scan done.\n", hdw->name);
-}
-
-static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw)
-{
- struct i2c_board_info info;
- struct IR_i2c_init_data *init_data = &hdw->ir_init_data;
- if (pvr2_disable_ir_video) {
- pvr2_trace(PVR2_TRACE_INFO,
- "Automatic binding of ir_video has been disabled.");
- return;
- }
- memset(&info, 0, sizeof(struct i2c_board_info));
- switch (hdw->ir_scheme_active) {
- case PVR2_IR_SCHEME_24XXX: /* FX2-controlled IR */
- 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_TYPE_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);
- pvr2_trace(PVR2_TRACE_INFO, "Binding %s to i2c address 0x%02x.",
- info.type, info.addr);
- i2c_new_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->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
- init_data->type = RC_TYPE_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;
- info.platform_data = init_data;
- strlcpy(info.type, "ir_tx_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);
- break;
- default:
- /* The device either doesn't support I2C-based IR or we
- don't know (yet) how to operate IR on the device. */
- break;
- }
-}
-
-void pvr2_i2c_core_init(struct pvr2_hdw *hdw)
-{
- unsigned int idx;
-
- /* The default action for all possible I2C addresses is just to do
- the transfer normally. */
- for (idx = 0; idx < PVR2_I2C_FUNC_CNT; idx++) {
- hdw->i2c_func[idx] = pvr2_i2c_basic_op;
- }
-
- /* 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);
- hdw->i2c_func[0x18] = i2c_black_hole;
- } else if (ir_mode[hdw->unit_number] == 1) {
- if (hdw->ir_scheme_active == PVR2_IR_SCHEME_24XXX) {
- /* Set up translation so that our IR looks like a
- 29xxx device */
- hdw->i2c_func[0x18] = i2c_24xxx_ir;
- }
- }
- if (hdw->hdw_desc->flag_has_cx25840) {
- hdw->i2c_func[0x44] = i2c_hack_cx25840;
- }
- if (hdw->hdw_desc->flag_has_wm8775) {
- hdw->i2c_func[0x1b] = i2c_hack_wm8775;
- }
-
- // Configure the adapter and set up everything else related to it.
- memcpy(&hdw->i2c_adap,&pvr2_i2c_adap_template,sizeof(hdw->i2c_adap));
- memcpy(&hdw->i2c_algo,&pvr2_i2c_algo_template,sizeof(hdw->i2c_algo));
- strlcpy(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;
- hdw->i2c_linked = !0;
- i2c_set_adapdata(&hdw->i2c_adap, &hdw->v4l2_dev);
- i2c_add_adapter(&hdw->i2c_adap);
- if (hdw->i2c_func[0x18] == i2c_24xxx_ir) {
- /* Probe for a different type of IR receiver on this
- device. This is really the only way to differentiate
- older 24xxx devices from 24xxx variants that include an
- IR blaster. If the IR blaster is present, the IR
- receiver is part of that chip and thus we must disable
- 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");
- hdw->i2c_func[0x18] = NULL;
- /* Remember that this is a different device... */
- hdw->ir_scheme_active = PVR2_IR_SCHEME_24XXX_MCE;
- }
- }
- if (i2c_scan) do_i2c_scan(hdw);
-
- pvr2_i2c_register_ir(hdw);
-}
-
-void pvr2_i2c_core_done(struct pvr2_hdw *hdw)
-{
- if (hdw->i2c_linked) {
- i2c_del_adapter(&hdw->i2c_adap);
- 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: ***
- */