#include "pvrusb2-util.h"
#include "pvrusb2-hdw.h"
#include "pvrusb2-i2c-core.h"
+#include "pvrusb2-i2c-track.h"
#include "pvrusb2-tuner.h"
#include "pvrusb2-eeprom.h"
#include "pvrusb2-hdw-internal.h"
/* size of a firmware chunk */
#define FIRMWARE_CHUNK_SIZE 0x2000
+static const char *module_names[] = {
+ [PVR2_CLIENT_ID_MSP3400] = "msp3400",
+ [PVR2_CLIENT_ID_CX25840] = "cx25840",
+ [PVR2_CLIENT_ID_SAA7115] = "saa7115",
+ [PVR2_CLIENT_ID_TUNER] = "tuner",
+ [PVR2_CLIENT_ID_CS53132A] = "cs53132a",
+};
+
+
+static const unsigned char *module_i2c_addresses[] = {
+ [PVR2_CLIENT_ID_TUNER] = "\x60\x61\x62\x63",
+};
+
+
/* Define the list of additional controls we'll dynamically construct based
on query of the cx2341x module. */
struct pvr2_mpeg_ids {
unsigned long fv;
struct pvr2_hdw *hdw = cptr->hdw;
if (hdw->tuner_signal_stale) {
- pvr2_i2c_core_status_poll(hdw);
+ pvr2_hdw_status_poll(hdw);
}
fv = hdw->tuner_signal_info.rangehigh;
if (!fv) {
unsigned long fv;
struct pvr2_hdw *hdw = cptr->hdw;
if (hdw->tuner_signal_stale) {
- pvr2_i2c_core_status_poll(hdw);
+ pvr2_hdw_status_poll(hdw);
}
fv = hdw->tuner_signal_info.rangelow;
if (!fv) {
static int ctrl_signal_get(struct pvr2_ctrl *cptr,int *vp)
{
struct pvr2_hdw *hdw = cptr->hdw;
- pvr2_i2c_core_status_poll(hdw);
+ pvr2_hdw_status_poll(hdw);
*vp = hdw->tuner_signal_info.signal;
return 0;
}
int val = 0;
unsigned int subchan;
struct pvr2_hdw *hdw = cptr->hdw;
- pvr2_i2c_core_status_poll(hdw);
+ pvr2_hdw_status_poll(hdw);
subchan = hdw->tuner_signal_info.rxsubchans;
if (subchan & V4L2_TUNER_SUB_MONO) {
val |= (1 << V4L2_TUNER_MODE_MONO);
}
+const char *pvr2_hdw_get_device_identifier(struct pvr2_hdw *hdw)
+{
+ return hdw->identifier;
+}
+
+
unsigned long pvr2_hdw_get_cur_freq(struct pvr2_hdw *hdw)
{
return hdw->freqSelector ? hdw->freqValTelevision : hdw->freqValRadio;
}
+static unsigned int pvr2_copy_i2c_addr_list(
+ unsigned short *dst, const unsigned char *src,
+ unsigned int dst_max)
+{
+ unsigned int cnt;
+ if (!src) return 0;
+ while (src[cnt] && (cnt + 1) < dst_max) {
+ dst[cnt] = src[cnt];
+ cnt++;
+ }
+ dst[cnt] = I2C_CLIENT_END;
+ return cnt;
+}
+
+
+static void pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
+ const struct pvr2_device_client_desc *cd)
+{
+ const char *fname;
+ unsigned char mid;
+ struct v4l2_subdev *sd;
+ unsigned int i2ccnt;
+ const unsigned char *p;
+ /* Arbitrary count - max # i2c addresses we will probe */
+ unsigned short i2caddr[25];
+
+ mid = cd->module_id;
+ fname = (mid < ARRAY_SIZE(module_names)) ? module_names[mid] : NULL;
+ if (!fname) {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "Module ID %u for device %s is unknown"
+ " (this is probably a bad thing...)",
+ mid,
+ hdw->hdw_desc->description);
+ return;
+ }
+
+ i2ccnt = pvr2_copy_i2c_addr_list(i2caddr, cd->i2c_address_list,
+ ARRAY_SIZE(i2caddr));
+ if (!i2ccnt && ((p = (mid < ARRAY_SIZE(module_i2c_addresses)) ?
+ module_i2c_addresses[mid] : NULL) != NULL)) {
+ /* Second chance: Try default i2c address list */
+ i2ccnt = pvr2_copy_i2c_addr_list(i2caddr, p,
+ ARRAY_SIZE(i2caddr));
+ }
+
+ if (!i2ccnt) {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "Module ID %u for device %s:"
+ " No i2c addresses"
+ " (this is probably a bad thing...)",
+ mid, hdw->hdw_desc->description);
+ return;
+ }
+
+ /* Note how the 2nd and 3rd arguments are the same for both
+ * v4l2_i2c_new_subdev() and v4l2_i2c_new_probed_subdev(). Why?
+ * Well the 2nd argument is the module name to load, while the 3rd
+ * argument is documented in the framework as being the "chipid" -
+ * and every other place where I can find examples of this, the
+ * "chipid" appears to just be the module name again. So here we
+ * just do the same thing. */
+ if (i2ccnt == 1) {
+ sd = v4l2_i2c_new_subdev(&hdw->i2c_adap,
+ fname, fname,
+ i2caddr[0]);
+ } else {
+ sd = v4l2_i2c_new_probed_subdev(&hdw->i2c_adap,
+ fname, fname,
+ i2caddr);
+ }
+
+ /* If we have both old and new i2c layers enabled, make sure that
+ old layer isn't also tracking this module. This is a debugging
+ aid, in normal situations there's no reason for both mechanisms
+ to be enabled. */
+ pvr2_i2c_untrack_subdev(hdw, sd);
+
+ // ?????
+ /* Based on module ID, we should remember subdev pointers
+ so that we can send certain custom commands where
+ needed. */
+ // ?????
+
+}
+
+
+static void pvr2_hdw_load_modules(struct pvr2_hdw *hdw)
+{
+ unsigned int idx;
+ const struct pvr2_string_table *cm;
+ const struct pvr2_device_client_table *ct;
+
+ cm = &hdw->hdw_desc->client_modules;
+ for (idx = 0; idx < cm->cnt; idx++) {
+ request_module(cm->lst[idx]);
+ }
+
+ ct = &hdw->hdw_desc->client_table;
+ for (idx = 0; idx < ct->cnt; idx++) {
+ pvr2_hdw_load_subdev(hdw,&ct->lst[idx]);
+ }
+}
+
+
static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
{
int ret;
if (!pvr2_hdw_dev_ok(hdw)) return;
- for (idx = 0; idx < hdw->hdw_desc->client_modules.cnt; idx++) {
- request_module(hdw->hdw_desc->client_modules.lst[idx]);
- }
-
if (!hdw->hdw_desc->flag_no_powerup) {
pvr2_hdw_cmd_powerup(hdw);
if (!pvr2_hdw_dev_ok(hdw)) return;
}
// This step MUST happen after the earlier powerup step.
+ pvr2_i2c_track_init(hdw);
pvr2_i2c_core_init(hdw);
if (!pvr2_hdw_dev_ok(hdw)) return;
+ pvr2_hdw_load_modules(hdw);
+
for (idx = 0; idx < CTRLDEF_COUNT; idx++) {
cptr = hdw->controls + idx;
if (cptr->info->skip_init) continue;
hdw->std_mask_eeprom = V4L2_STD_ALL;
}
+ if (hdw->serial_number) {
+ idx = scnprintf(hdw->identifier, sizeof(hdw->identifier) - 1,
+ "sn-%lu", hdw->serial_number);
+ } else if (hdw->unit_number >= 0) {
+ idx = scnprintf(hdw->identifier, sizeof(hdw->identifier) - 1,
+ "unit-%c",
+ hdw->unit_number + 'a');
+ } else {
+ idx = scnprintf(hdw->identifier, sizeof(hdw->identifier) - 1,
+ "unit-??");
+ }
+ hdw->identifier[idx] = 0;
+
pvr2_hdw_setup_std(hdw);
if (!get_default_tuner_type(hdw)) {
struct pvr2_hdw *hdw = NULL;
int valid_std_mask;
struct pvr2_ctrl *cptr;
+ struct usb_device *usb_dev;
const struct pvr2_device_desc *hdw_desc;
__u8 ifnum;
struct v4l2_queryctrl qctrl;
struct pvr2_ctl_info *ciptr;
+ usb_dev = interface_to_usbdev(intf);
+
hdw_desc = (const struct pvr2_device_desc *)(devid->driver_info);
if (hdw_desc == NULL) {
hdw->ctl_read_urb = usb_alloc_urb(0,GFP_KERNEL);
if (!hdw->ctl_read_urb) goto fail;
+ if (v4l2_device_register(&usb_dev->dev, &hdw->v4l2_dev) != 0) {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "Error registering with v4l core, giving up");
+ goto fail;
+ }
mutex_lock(&pvr2_unit_mtx); do {
for (idx = 0; idx < PVR_NUM; idx++) {
if (unit_pointers[idx]) continue;
hdw->flag_ok = !0;
hdw->usb_intf = intf;
- hdw->usb_dev = interface_to_usbdev(intf);
+ hdw->usb_dev = usb_dev;
- scnprintf(hdw->bus_info,sizeof(hdw->bus_info),
- "usb %s address %d",
- dev_name(&hdw->usb_dev->dev),
- hdw->usb_dev->devnum);
+ usb_make_path(hdw->usb_dev, hdw->bus_info, sizeof(hdw->bus_info));
ifnum = hdw->usb_intf->cur_altsetting->desc.bInterfaceNumber;
usb_set_interface(hdw->usb_dev,ifnum,0);
hdw->ctl_write_buffer = NULL;
}
hdw->flag_disconnected = !0;
+ /* If we don't do this, then there will be a dangling struct device
+ reference to our disappearing device persisting inside the V4L
+ core... */
+ if (hdw->v4l2_dev.dev) {
+ dev_set_drvdata(hdw->v4l2_dev.dev, NULL);
+ hdw->v4l2_dev.dev = NULL;
+ }
hdw->usb_dev = NULL;
hdw->usb_intf = NULL;
pvr2_hdw_render_useless(hdw);
hdw->decoder_ctrl->detach(hdw->decoder_ctrl->ctxt);
}
pvr2_i2c_core_done(hdw);
+ pvr2_i2c_track_done(hdw);
+ v4l2_device_unregister(&hdw->v4l2_dev);
pvr2_hdw_remove_usb_stuff(hdw);
mutex_lock(&pvr2_unit_mtx); do {
if ((hdw->unit_number >= 0) &&
void pvr2_hdw_execute_tuner_poll(struct pvr2_hdw *hdw)
{
LOCK_TAKE(hdw->big_lock); do {
- pvr2_i2c_core_status_poll(hdw);
+ pvr2_hdw_status_poll(hdw);
} while (0); LOCK_GIVE(hdw->big_lock);
}
if (!hdw->cropcap_stale) {
return 0;
}
- pvr2_i2c_core_status_poll(hdw);
+ pvr2_hdw_status_poll(hdw);
if (hdw->cropcap_stale) {
return -EIO;
}
{
LOCK_TAKE(hdw->big_lock); do {
if (hdw->tuner_signal_stale) {
- pvr2_i2c_core_status_poll(hdw);
+ pvr2_hdw_status_poll(hdw);
}
memcpy(vtp,&hdw->tuner_signal_info,sizeof(struct v4l2_tuner));
} while (0); LOCK_GIVE(hdw->big_lock);
hdw->log_requested = !0;
printk(KERN_INFO "pvrusb2: ================= START STATUS CARD #%d =================\n", nr);
pvr2_i2c_core_check_stale(hdw);
- hdw->log_requested = 0;
pvr2_i2c_core_sync(hdw);
+ hdw->log_requested = 0;
pvr2_trace(PVR2_TRACE_INFO,"cx2341x config:");
cx2341x_log_status(&hdw->enc_ctl_state, "pvrusb2");
pvr2_hdw_state_log_state(hdw);
}
+void pvr2_hdw_status_poll(struct pvr2_hdw *hdw)
+{
+ pvr2_i2c_core_status_poll(hdw);
+}
+
+
unsigned int pvr2_hdw_get_input_available(struct pvr2_hdw *hdw)
{
return hdw->input_avail_mask;