Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-
-
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/string.h>
-
#include <linux/dvb/ca.h>
#include "dvbdev.h"
#include "dvb_frontend.h"
-
#include "dst_ca.h"
#include "dst_common.h"
-static unsigned int verbose = 1;
+#define DST_CA_ERROR 0
+#define DST_CA_NOTICE 1
+#define DST_CA_INFO 2
+#define DST_CA_DEBUG 3
+
+#define dprintk(x, y, z, format, arg...) do { \
+ if (z) { \
+ if ((x > DST_CA_ERROR) && (x > y)) \
+ printk(KERN_ERR "%s: " format "\n", __FUNCTION__ , ##arg); \
+ else if ((x > DST_CA_NOTICE) && (x > y)) \
+ printk(KERN_NOTICE "%s: " format "\n", __FUNCTION__ , ##arg); \
+ else if ((x > DST_CA_INFO) && (x > y)) \
+ printk(KERN_INFO "%s: " format "\n", __FUNCTION__ , ##arg); \
+ else if ((x > DST_CA_DEBUG) && (x > y)) \
+ printk(KERN_DEBUG "%s: " format "\n", __FUNCTION__ , ##arg); \
+ } else { \
+ if (x > y) \
+ printk(format, ## arg); \
+ } \
+} while(0)
+
+
+static unsigned int verbose = 5;
module_param(verbose, int, 0644);
MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
-static unsigned int debug = 1;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "debug messages, default is 1 (yes)");
-
-#define dprintk if (debug) printk
-
/* Need some more work */
static int ca_set_slot_descr(void)
{
}
-static int put_checksum(u8 *check_string, int length)
+static void put_checksum(u8 *check_string, int length)
{
- u8 i = 0, checksum = 0;
-
- if (verbose > 3) {
- dprintk("%s: ========================= Checksum calculation ===========================\n", __FUNCTION__);
- dprintk("%s: String Length=[0x%02x]\n", __FUNCTION__, length);
-
- dprintk("%s: String=[", __FUNCTION__);
- }
- while (i < length) {
- if (verbose > 3)
- dprintk(" %02x", check_string[i]);
- checksum += check_string[i];
- i++;
- }
- if (verbose > 3) {
- dprintk(" ]\n");
- dprintk("%s: Sum=[%02x]\n", __FUNCTION__, checksum);
- }
- check_string[length] = ~checksum + 1;
- if (verbose > 3) {
- dprintk("%s: Checksum=[%02x]\n", __FUNCTION__, check_string[length]);
- dprintk("%s: ==========================================================================\n", __FUNCTION__);
- }
-
- return 0;
+ dprintk(verbose, DST_CA_DEBUG, 1, " Computing string checksum.");
+ dprintk(verbose, DST_CA_DEBUG, 1, " -> string length : 0x%02x", length);
+ check_string[length] = dst_check_sum (check_string, length);
+ dprintk(verbose, DST_CA_DEBUG, 1, " -> checksum : 0x%02x", check_string[length]);
}
static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read)
{
u8 reply;
+ mutex_lock(&state->dst_mutex);
dst_comm_init(state);
msleep(65);
if (write_dst(state, data, len)) {
- dprintk("%s: Write not successful, trying to recover\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_INFO, 1, " Write not successful, trying to recover");
dst_error_recovery(state);
- return -1;
+ goto error;
}
-
if ((dst_pio_disable(state)) < 0) {
- dprintk("%s: DST PIO disable failed.\n", __FUNCTION__);
- return -1;
+ dprintk(verbose, DST_CA_ERROR, 1, " DST PIO disable failed.");
+ goto error;
}
-
if (read_dst(state, &reply, GET_ACK) < 0) {
- dprintk("%s: Read not successful, trying to recover\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_INFO, 1, " Read not successful, trying to recover");
dst_error_recovery(state);
- return -1;
+ goto error;
}
-
if (read) {
if (! dst_wait_dst_ready(state, LONG_DELAY)) {
- dprintk("%s: 8820 not ready\n", __FUNCTION__);
- return -1;
+ dprintk(verbose, DST_CA_NOTICE, 1, " 8820 not ready");
+ goto error;
}
-
if (read_dst(state, ca_string, 128) < 0) { /* Try to make this dynamic */
- dprintk("%s: Read not successful, trying to recover\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_INFO, 1, " Read not successful, trying to recover");
dst_error_recovery(state);
- return -1;
+ goto error;
}
}
-
+ mutex_unlock(&state->dst_mutex);
return 0;
+
+error:
+ mutex_unlock(&state->dst_mutex);
+ return -EIO;
}
while (dst_ca_comm_err < RETRIES) {
dst_comm_init(state);
- if (verbose > 2)
- dprintk("%s: Put Command\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_NOTICE, 1, " Put Command");
if (dst_ci_command(state, data, ca_string, len, read)) { // If error
dst_error_recovery(state);
dst_ca_comm_err++; // work required here.
put_checksum(&command[0], command[0]);
if ((dst_put_ci(state, command, sizeof(command), state->messages, GET_REPLY)) < 0) {
- dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
return -1;
}
- if (verbose > 1) {
- dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
-
- dprintk("%s: ================================ CI Module Application Info ======================================\n", __FUNCTION__);
- dprintk("%s: Application Type=[%d], Application Vendor=[%d], Vendor Code=[%d]\n%s: Application info=[%s]\n",
- __FUNCTION__, state->messages[7], (state->messages[8] << 8) | state->messages[9],
- (state->messages[10] << 8) | state->messages[11], __FUNCTION__, (char *)(&state->messages[12]));
- dprintk("%s: ==================================================================================================\n", __FUNCTION__);
- }
+ dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !");
+ dprintk(verbose, DST_CA_INFO, 1, " ================================ CI Module Application Info ======================================");
+ dprintk(verbose, DST_CA_INFO, 1, " Application Type=[%d], Application Vendor=[%d], Vendor Code=[%d]\n%s: Application info=[%s]",
+ state->messages[7], (state->messages[8] << 8) | state->messages[9],
+ (state->messages[10] << 8) | state->messages[11], __FUNCTION__, (char *)(&state->messages[12]));
+ dprintk(verbose, DST_CA_INFO, 1, " ==================================================================================================");
return 0;
}
-static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, void *arg)
+static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, void __user *arg)
{
int i;
u8 slot_cap[256];
put_checksum(&slot_command[0], slot_command[0]);
if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_cap, GET_REPLY)) < 0) {
- dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
return -1;
}
- if (verbose > 1)
- dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_NOTICE, 1, " -->dst_put_ci SUCCESS !");
/* Will implement the rest soon */
- if (verbose > 1) {
- dprintk("%s: Slot cap = [%d]\n", __FUNCTION__, slot_cap[7]);
- dprintk("===================================\n");
- for (i = 0; i < 8; i++)
- dprintk(" %d", slot_cap[i]);
- dprintk("\n");
- }
+ dprintk(verbose, DST_CA_INFO, 1, " Slot cap = [%d]", slot_cap[7]);
+ dprintk(verbose, DST_CA_INFO, 0, "===================================\n");
+ for (i = 0; i < 8; i++)
+ dprintk(verbose, DST_CA_INFO, 0, " %d", slot_cap[i]);
+ dprintk(verbose, DST_CA_INFO, 0, "\n");
p_ca_caps->slot_num = 1;
p_ca_caps->slot_type = 1;
p_ca_caps->descr_num = slot_cap[7];
p_ca_caps->descr_type = 1;
-
- if (copy_to_user((struct ca_caps *)arg, p_ca_caps, sizeof (struct ca_caps))) {
+ if (copy_to_user(arg, p_ca_caps, sizeof (struct ca_caps)))
return -EFAULT;
- }
return 0;
}
/* Need some more work */
-static int ca_get_slot_descr(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
+static int ca_get_slot_descr(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg)
{
return -EOPNOTSUPP;
}
-static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_slot_info, void *arg)
+static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_slot_info, void __user *arg)
{
int i;
static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
- u8 *slot_info = state->rxbuffer;
+ u8 *slot_info = state->messages;
put_checksum(&slot_command[0], 7);
if ((dst_put_ci(state, slot_command, sizeof (slot_command), slot_info, GET_REPLY)) < 0) {
- dprintk("%s: -->dst_put_ci FAILED !\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, " -->dst_put_ci FAILED !");
return -1;
}
- if (verbose > 1)
- dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_INFO, 1, " -->dst_put_ci SUCCESS !");
/* Will implement the rest soon */
- if (verbose > 1) {
- dprintk("%s: Slot info = [%d]\n", __FUNCTION__, slot_info[3]);
- dprintk("===================================\n");
- for (i = 0; i < 8; i++)
- dprintk(" %d", slot_info[i]);
- dprintk("\n");
- }
+ dprintk(verbose, DST_CA_INFO, 1, " Slot info = [%d]", slot_info[3]);
+ dprintk(verbose, DST_CA_INFO, 0, "===================================\n");
+ for (i = 0; i < 8; i++)
+ dprintk(verbose, DST_CA_INFO, 0, " %d", slot_info[i]);
+ dprintk(verbose, DST_CA_INFO, 0, "\n");
if (slot_info[4] & 0x80) {
p_ca_slot_info->flags = CA_CI_MODULE_PRESENT;
p_ca_slot_info->num = 1;
p_ca_slot_info->type = CA_CI;
- }
- else if (slot_info[4] & 0x40) {
+ } else if (slot_info[4] & 0x40) {
p_ca_slot_info->flags = CA_CI_MODULE_READY;
p_ca_slot_info->num = 1;
p_ca_slot_info->type = CA_CI;
- }
- else {
+ } else
p_ca_slot_info->flags = 0;
- }
- if (copy_to_user((struct ca_slot_info *)arg, p_ca_slot_info, sizeof (struct ca_slot_info))) {
+ if (copy_to_user(arg, p_ca_slot_info, sizeof (struct ca_slot_info)))
return -EFAULT;
- }
return 0;
}
-
-
-static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
+static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg)
{
u8 i = 0;
u32 command = 0;
- if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg)))
+ if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg)))
return -EFAULT;
-
if (p_ca_message->msg) {
- if (verbose > 3)
- dprintk("Message = [%02x %02x %02x]\n", p_ca_message->msg[0], p_ca_message->msg[1], p_ca_message->msg[2]);
+ dprintk(verbose, DST_CA_NOTICE, 1, " Message = [%02x %02x %02x]", p_ca_message->msg[0], p_ca_message->msg[1], p_ca_message->msg[2]);
for (i = 0; i < 3; i++) {
command = command | p_ca_message->msg[i];
if (i < 2)
command = command << 8;
}
- if (verbose > 3)
- dprintk("%s:Command=[0x%x]\n", __FUNCTION__, command);
+ dprintk(verbose, DST_CA_NOTICE, 1, " Command=[0x%x]", command);
switch (command) {
- case CA_APP_INFO:
- memcpy(p_ca_message->msg, state->messages, 128);
- if (copy_to_user((void *)arg, p_ca_message, sizeof (struct ca_msg)) )
- return -EFAULT;
+ case CA_APP_INFO:
+ memcpy(p_ca_message->msg, state->messages, 128);
+ if (copy_to_user(arg, p_ca_message, sizeof (struct ca_msg)) )
+ return -EFAULT;
break;
}
}
return 0;
}
-static int handle_en50221_tag(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer)
+static int handle_dst_tag(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u32 length)
{
if (state->dst_hw_cap & DST_TYPE_HAS_SESSION) {
- hw_buffer->msg[2] = p_ca_message->msg[1]; /* MSB */
- hw_buffer->msg[3] = p_ca_message->msg[2]; /* LSB */
- }
- else {
+ hw_buffer->msg[2] = p_ca_message->msg[1]; /* MSB */
+ hw_buffer->msg[3] = p_ca_message->msg[2]; /* LSB */
+ } else {
+ if (length > 247) {
+ dprintk(verbose, DST_CA_ERROR, 1, " Message too long ! *** Bailing Out *** !");
+ return -1;
+ }
+ hw_buffer->msg[0] = (length & 0xff) + 7;
+ hw_buffer->msg[1] = 0x40;
hw_buffer->msg[2] = 0x03;
hw_buffer->msg[3] = 0x00;
- }
- return 0;
-}
-
-static int debug_8820_buffer(struct ca_msg *hw_buffer)
-{
- unsigned int i;
+ hw_buffer->msg[4] = 0x03;
+ hw_buffer->msg[5] = length & 0xff;
+ hw_buffer->msg[6] = 0x00;
- dprintk("%s:Debug=[", __FUNCTION__);
- for (i = 0; i < (hw_buffer->msg[0] + 1); i++)
- dprintk(" %02x", hw_buffer->msg[i]);
- dprintk("]\n");
+ /*
+ * Need to compute length for EN50221 section 8.3.2, for the time being
+ * assuming 8.3.2 is not applicable
+ */
+ memcpy(&hw_buffer->msg[7], &p_ca_message->msg[4], length);
+ }
return 0;
}
-static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, u8 reply)
+static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, u8 length, u8 reply)
{
- if ((dst_put_ci(state, hw_buffer->msg, (hw_buffer->length + 1), hw_buffer->msg, reply)) < 0) {
- dprintk("%s: DST-CI Command failed.\n", __FUNCTION__);
- dprintk("%s: Resetting DST.\n", __FUNCTION__);
+ if ((dst_put_ci(state, hw_buffer->msg, length, hw_buffer->msg, reply)) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " DST-CI Command failed.");
+ dprintk(verbose, DST_CA_NOTICE, 1, " Resetting DST.");
rdc_reset_state(state);
return -1;
}
- if (verbose > 2)
- dprintk("%s: DST-CI Command succes.\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_NOTICE, 1, " DST-CI Command succes.");
return 0;
}
-
-static int ca_set_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u8 reply, u8 query)
+static u32 asn_1_decode(u8 *asn_1_array)
{
- u32 hw_offset, buf_offset, i, k;
- u32 program_info_length = 0, es_info_length = 0, length = 0, words = 0;
- u8 found_prog_ca_desc = 0, found_stream_ca_desc = 0, error_condition = 0, hw_buffer_length = 0;
-
- if (verbose > 3)
- dprintk("%s, p_ca_message length %d (0x%x)\n", __FUNCTION__,p_ca_message->length,p_ca_message->length );
-
- handle_en50221_tag(state, p_ca_message, hw_buffer); /* EN50221 tag */
-
- /* Handle the length field (variable) */
- if (!(p_ca_message->msg[3] & 0x80)) { /* Length = 1 */
- length = p_ca_message->msg[3] & 0x7f;
- words = 0; /* domi's suggestion */
- }
- else { /* Length = words */
- words = p_ca_message->msg[3] & 0x7f;
- for (i = 0; i < words; i++) {
- length = length << 8;
- length = length | p_ca_message->msg[4 + i];
+ u8 length_field = 0, word_count = 0, count = 0;
+ u32 length = 0;
+
+ length_field = asn_1_array[0];
+ dprintk(verbose, DST_CA_DEBUG, 1, " Length field=[%02x]", length_field);
+ if (length_field < 0x80) {
+ length = length_field & 0x7f;
+ dprintk(verbose, DST_CA_DEBUG, 1, " Length=[%02x]\n", length);
+ } else {
+ word_count = length_field & 0x7f;
+ for (count = 0; count < word_count; count++) {
+ length = length << 8;
+ length += asn_1_array[count + 1];
+ dprintk(verbose, DST_CA_DEBUG, 1, " Length=[%04x]", length);
}
}
- if (verbose > 4) {
- dprintk("%s:Length=[%d (0x%x)], Words=[%d]\n", __FUNCTION__, length,length, words);
-
- /* Debug Input string */
- for (i = 0; i < length; i++)
- dprintk(" %02x", p_ca_message->msg[i]);
- dprintk("]\n");
- }
-
- hw_offset = 7;
- buf_offset = words + 4;
-
- /* Program Header */
- if (verbose > 4)
- dprintk("\n%s:Program Header=[", __FUNCTION__);
- for (i = 0; i < 6; i++) {
- hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset];
- if (verbose > 4)
- dprintk(" %02x", p_ca_message->msg[buf_offset]);
- hw_offset++, buf_offset++, hw_buffer_length++;
- }
- if (verbose > 4)
- dprintk("]\n");
-
- program_info_length = 0;
- program_info_length = (((program_info_length | p_ca_message->msg[words + 8]) & 0x0f) << 8) | p_ca_message->msg[words + 9];
- if (verbose > 4)
- dprintk("%s:Program info Length=[%d][%02x], hw_offset=[%d], buf_offset=[%d] \n",
- __FUNCTION__, program_info_length, program_info_length, hw_offset, buf_offset);
-
- if (program_info_length && (program_info_length < 256)) { /* If program_info_length */
- hw_buffer->msg[11] = hw_buffer->msg[11] & 0x0f; /* req only 4 bits */
- hw_buffer->msg[12] = hw_buffer->msg[12] + 1; /* increment! ASIC bug! */
-
- if (p_ca_message->msg[buf_offset + 1] == 0x09) { /* Check CA descriptor */
- found_prog_ca_desc = 1;
- if (verbose > 4)
- dprintk("%s: Found CA descriptor @ Program level\n", __FUNCTION__);
- }
-
- if (found_prog_ca_desc) { /* Command only if CA descriptor */
- hw_buffer->msg[13] = p_ca_message->msg[buf_offset]; /* CA PMT command ID */
- hw_offset++, buf_offset++, hw_buffer_length++;
- }
-
- /* Program descriptors */
- if (verbose > 4) {
- dprintk("%s:**********>buf_offset=[%d], hw_offset=[%d]\n", __FUNCTION__, buf_offset, hw_offset);
- dprintk("%s:Program descriptors=[", __FUNCTION__);
- }
- while (program_info_length && !error_condition) { /* Copy prog descriptors */
- if (program_info_length > p_ca_message->length) { /* Error situation */
- dprintk ("%s:\"WARNING\" Length error, line=[%d], prog_info_length=[%d]\n",
- __FUNCTION__, __LINE__, program_info_length);
- dprintk("%s:\"WARNING\" Bailing out of possible loop\n", __FUNCTION__);
- error_condition = 1;
- break;
- }
-
- hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset];
- dprintk(" %02x", p_ca_message->msg[buf_offset]);
- hw_offset++, buf_offset++, hw_buffer_length++, program_info_length--;
- }
- if (verbose > 4) {
- dprintk("]\n");
- dprintk("%s:**********>buf_offset=[%d], hw_offset=[%d]\n", __FUNCTION__, buf_offset, hw_offset);
- }
- if (found_prog_ca_desc) {
- if (!reply) {
- hw_buffer->msg[13] = 0x01; /* OK descrambling */
- if (verbose > 1)
- dprintk("CA PMT Command = OK Descrambling\n");
- }
- else {
- hw_buffer->msg[13] = 0x02; /* Ok MMI */
- if (verbose > 1)
- dprintk("CA PMT Command = Ok MMI\n");
- }
- if (query) {
- hw_buffer->msg[13] = 0x03; /* Query */
- if (verbose > 1)
- dprintk("CA PMT Command = CA PMT query\n");
- }
- }
- }
- else {
- hw_buffer->msg[11] = hw_buffer->msg[11] & 0xf0; /* Don't write to ASIC */
- hw_buffer->msg[12] = hw_buffer->msg[12] = 0x00;
- }
- if (verbose > 4)
- dprintk("%s:**********>p_ca_message->length=[%d], buf_offset=[%d], hw_offset=[%d]\n",
- __FUNCTION__, p_ca_message->length, buf_offset, hw_offset);
-
- while ((buf_offset < p_ca_message->length) && !error_condition) {
- /* Bail out in case of an indefinite loop */
- if ((es_info_length > p_ca_message->length) || (buf_offset > p_ca_message->length)) {
- dprintk("%s:\"WARNING\" Length error, line=[%d], prog_info_length=[%d], buf_offset=[%d]\n",
- __FUNCTION__, __LINE__, program_info_length, buf_offset);
-
- dprintk("%s:\"WARNING\" Bailing out of possible loop\n", __FUNCTION__);
- error_condition = 1;
- break;
- }
-
- /* Stream Header */
-
- for (k = 0; k < 5; k++) {
- hw_buffer->msg[hw_offset + k] = p_ca_message->msg[buf_offset + k];
- }
-
- es_info_length = 0;
- es_info_length = (es_info_length | (p_ca_message->msg[buf_offset + 3] & 0x0f)) << 8 | p_ca_message->msg[buf_offset + 4];
-
- if (verbose > 4) {
- dprintk("\n%s:----->Stream header=[%02x %02x %02x %02x %02x]\n", __FUNCTION__,
- p_ca_message->msg[buf_offset + 0], p_ca_message->msg[buf_offset + 1],
- p_ca_message->msg[buf_offset + 2], p_ca_message->msg[buf_offset + 3],
- p_ca_message->msg[buf_offset + 4]);
-
- dprintk("%s:----->Stream type=[%02x], es length=[%d (0x%x)], Chars=[%02x] [%02x], buf_offset=[%d]\n", __FUNCTION__,
- p_ca_message->msg[buf_offset + 0], es_info_length, es_info_length,
- p_ca_message->msg[buf_offset + 3], p_ca_message->msg[buf_offset + 4], buf_offset);
- }
-
- hw_buffer->msg[hw_offset + 3] &= 0x0f; /* req only 4 bits */
-
- if (found_prog_ca_desc) {
- hw_buffer->msg[hw_offset + 3] = 0x00;
- hw_buffer->msg[hw_offset + 4] = 0x00;
- }
-
- hw_offset += 5, buf_offset += 5, hw_buffer_length += 5;
+ return length;
+}
- /* Check for CA descriptor */
- if (p_ca_message->msg[buf_offset + 1] == 0x09) {
- if (verbose > 4)
- dprintk("%s:Found CA descriptor @ Stream level\n", __FUNCTION__);
- found_stream_ca_desc = 1;
- }
+static int debug_string(u8 *msg, u32 length, u32 offset)
+{
+ u32 i;
- /* ES descriptors */
-
- if (es_info_length && !error_condition && !found_prog_ca_desc && found_stream_ca_desc) {
-// if (!ca_pmt_done) {
- hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset]; /* CA PMT cmd(es) */
- if (verbose > 4)
- printk("%s:----->CA PMT Command ID=[%02x]\n", __FUNCTION__, p_ca_message->msg[buf_offset]);
-// hw_offset++, buf_offset++, hw_buffer_length++, es_info_length--, ca_pmt_done = 1;
- hw_offset++, buf_offset++, hw_buffer_length++, es_info_length--;
-// }
- if (verbose > 4)
- dprintk("%s:----->ES descriptors=[", __FUNCTION__);
-
- while (es_info_length && !error_condition) { /* ES descriptors */
- if ((es_info_length > p_ca_message->length) || (buf_offset > p_ca_message->length)) {
- if (verbose > 4) {
- dprintk("%s:\"WARNING\" ES Length error, line=[%d], es_info_length=[%d], buf_offset=[%d]\n",
- __FUNCTION__, __LINE__, es_info_length, buf_offset);
-
- dprintk("%s:\"WARNING\" Bailing out of possible loop\n", __FUNCTION__);
- }
- error_condition = 1;
- break;
- }
-
- hw_buffer->msg[hw_offset] = p_ca_message->msg[buf_offset];
- if (verbose > 3)
- dprintk("%02x ", hw_buffer->msg[hw_offset]);
- hw_offset++, buf_offset++, hw_buffer_length++, es_info_length--;
- }
- found_stream_ca_desc = 0; /* unset for new streams */
- dprintk("]\n");
- }
- }
+ dprintk(verbose, DST_CA_DEBUG, 0, " String=[ ");
+ for (i = offset; i < length; i++)
+ dprintk(verbose, DST_CA_DEBUG, 0, "%02x ", msg[i]);
+ dprintk(verbose, DST_CA_DEBUG, 0, "]\n");
- /* MCU Magic words */
+ return 0;
+}
- hw_buffer_length += 7;
- hw_buffer->msg[0] = hw_buffer_length;
- hw_buffer->msg[1] = 64;
- hw_buffer->msg[4] = 3;
- hw_buffer->msg[5] = hw_buffer->msg[0] - 7;
- hw_buffer->msg[6] = 0;
+static int ca_set_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer, u8 reply, u8 query)
+{
+ u32 length = 0;
+ u8 tag_length = 8;
+ length = asn_1_decode(&p_ca_message->msg[3]);
+ dprintk(verbose, DST_CA_DEBUG, 1, " CA Message length=[%d]", length);
+ debug_string(&p_ca_message->msg[4], length, 0); /* length is excluding tag & length */
- /* Fix length */
- hw_buffer->length = hw_buffer->msg[0];
+ memset(hw_buffer->msg, '\0', length);
+ handle_dst_tag(state, p_ca_message, hw_buffer, length);
+ put_checksum(hw_buffer->msg, hw_buffer->msg[0]);
- put_checksum(&hw_buffer->msg[0], hw_buffer->msg[0]);
- /* Do the actual write */
- if (verbose > 4) {
- dprintk("%s:======================DEBUGGING================================\n", __FUNCTION__);
- dprintk("%s: Actual Length=[%d]\n", __FUNCTION__, hw_buffer_length);
- }
- /* Only for debugging! */
- if (verbose > 2)
- debug_8820_buffer(hw_buffer);
- if (verbose > 3)
- dprintk("%s: Reply = [%d]\n", __FUNCTION__, reply);
- write_to_8820(state, hw_buffer, reply);
+ debug_string(hw_buffer->msg, (length + tag_length), 0); /* tags too */
+ write_to_8820(state, hw_buffer, (length + tag_length), reply);
return 0;
}
+
/* Board supports CA PMT reply ? */
static int dst_check_ca_pmt(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer)
{
/* Do test board */
/* Not there yet but soon */
-
/* CA PMT Reply capable */
if (ca_pmt_reply_test) {
if ((ca_set_pmt(state, p_ca_message, hw_buffer, 1, GET_REPLY)) < 0) {
- dprintk("%s: ca_set_pmt.. failed !\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, " ca_set_pmt.. failed !");
return -1;
}
/* Process CA PMT Reply */
/* will implement soon */
- dprintk("%s: Not there yet\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, " Not there yet");
}
/* CA PMT Reply not capable */
if (!ca_pmt_reply_test) {
if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, NO_REPLY)) < 0) {
- dprintk("%s: ca_set_pmt.. failed !\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, " ca_set_pmt.. failed !");
return -1;
}
- if (verbose > 3)
- dprintk("%s: ca_set_pmt.. success !\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_NOTICE, 1, " ca_set_pmt.. success !");
/* put a dummy message */
}
return 0;
}
-static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg)
+static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg)
{
int i = 0;
unsigned int ca_message_header_len;
u32 command = 0;
struct ca_msg *hw_buffer;
+ int result = 0;
if ((hw_buffer = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) {
- printk("%s: Memory allocation failure\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure");
return -ENOMEM;
}
- if (verbose > 3)
- dprintk("%s\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_DEBUG, 1, " ");
+
+ if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) {
+ result = -EFAULT;
+ goto free_mem_and_exit;
+ }
- if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg)))
- return -EFAULT;
if (p_ca_message->msg) {
ca_message_header_len = p_ca_message->length; /* Restore it back when you are done */
if (i < 2)
command = command << 8;
}
- if (verbose > 3)
- dprintk("%s:Command=[0x%x]\n", __FUNCTION__, command);
+ dprintk(verbose, DST_CA_DEBUG, 1, " Command=[0x%x]\n", command);
switch (command) {
- case CA_PMT:
- if (verbose > 3)
- dprintk("Command = SEND_CA_PMT\n");
- if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, 0)) < 0) {
- dprintk("%s: -->CA_PMT Failed !\n", __FUNCTION__);
- return -1;
- }
- if (verbose > 3)
- dprintk("%s: -->CA_PMT Success !\n", __FUNCTION__);
-// retval = dummy_set_pmt(state, p_ca_message, hw_buffer, 0, 0);
-
- break;
-
- case CA_PMT_REPLY:
- if (verbose > 3)
- dprintk("Command = CA_PMT_REPLY\n");
- /* Have to handle the 2 basic types of cards here */
- if ((dst_check_ca_pmt(state, p_ca_message, hw_buffer)) < 0) {
- dprintk("%s: -->CA_PMT_REPLY Failed !\n", __FUNCTION__);
- return -1;
- }
- if (verbose > 3)
- dprintk("%s: -->CA_PMT_REPLY Success !\n", __FUNCTION__);
-
- /* Certain boards do behave different ? */
-// retval = ca_set_pmt(state, p_ca_message, hw_buffer, 1, 1);
-
- case CA_APP_INFO_ENQUIRY: // only for debugging
- if (verbose > 3)
- dprintk("%s: Getting Cam Application information\n", __FUNCTION__);
-
- if ((ca_get_app_info(state)) < 0) {
- dprintk("%s: -->CA_APP_INFO_ENQUIRY Failed !\n", __FUNCTION__);
- return -1;
- }
- if (verbose > 3)
- printk("%s: -->CA_APP_INFO_ENQUIRY Success !\n", __FUNCTION__);
-
- break;
+ case CA_PMT:
+ dprintk(verbose, DST_CA_DEBUG, 1, "Command = SEND_CA_PMT");
+ if ((ca_set_pmt(state, p_ca_message, hw_buffer, 0, 0)) < 0) { // code simplification started
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_PMT Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->CA_PMT Success !");
+ break;
+ case CA_PMT_REPLY:
+ dprintk(verbose, DST_CA_INFO, 1, "Command = CA_PMT_REPLY");
+ /* Have to handle the 2 basic types of cards here */
+ if ((dst_check_ca_pmt(state, p_ca_message, hw_buffer)) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_PMT_REPLY Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->CA_PMT_REPLY Success !");
+ break;
+ case CA_APP_INFO_ENQUIRY: // only for debugging
+ dprintk(verbose, DST_CA_INFO, 1, " Getting Cam Application information");
+
+ if ((ca_get_app_info(state)) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_APP_INFO_ENQUIRY Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->CA_APP_INFO_ENQUIRY Success !");
+ break;
}
}
- return 0;
+free_mem_and_exit:
+ kfree (hw_buffer);
+
+ return result;
}
-static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg)
+static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long ioctl_arg)
{
struct dvb_device* dvbdev = (struct dvb_device*) file->private_data;
struct dst_state* state = (struct dst_state*) dvbdev->priv;
struct ca_slot_info *p_ca_slot_info;
struct ca_caps *p_ca_caps;
struct ca_msg *p_ca_message;
+ void __user *arg = (void __user *)ioctl_arg;
+ int result = 0;
if ((p_ca_message = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) {
- printk("%s: Memory allocation failure\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure");
return -ENOMEM;
}
-
if ((p_ca_slot_info = (struct ca_slot_info *) kmalloc(sizeof (struct ca_slot_info), GFP_KERNEL)) == NULL) {
- printk("%s: Memory allocation failure\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure");
return -ENOMEM;
}
-
if ((p_ca_caps = (struct ca_caps *) kmalloc(sizeof (struct ca_caps), GFP_KERNEL)) == NULL) {
- printk("%s: Memory allocation failure\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure");
return -ENOMEM;
}
-
/* We have now only the standard ioctl's, the driver is upposed to handle internals. */
switch (cmd) {
- case CA_SEND_MSG:
- if (verbose > 1)
- dprintk("%s: Sending message\n", __FUNCTION__);
- if ((ca_send_message(state, p_ca_message, arg)) < 0) {
- dprintk("%s: -->CA_SEND_MSG Failed !\n", __FUNCTION__);
- return -1;
- }
-
- break;
-
- case CA_GET_MSG:
- if (verbose > 1)
- dprintk("%s: Getting message\n", __FUNCTION__);
- if ((ca_get_message(state, p_ca_message, arg)) < 0) {
- dprintk("%s: -->CA_GET_MSG Failed !\n", __FUNCTION__);
- return -1;
- }
- if (verbose > 1)
- dprintk("%s: -->CA_GET_MSG Success !\n", __FUNCTION__);
-
- break;
-
- case CA_RESET:
- if (verbose > 1)
- dprintk("%s: Resetting DST\n", __FUNCTION__);
- dst_error_bailout(state);
- msleep(4000);
-
- break;
-
- case CA_GET_SLOT_INFO:
- if (verbose > 1)
- dprintk("%s: Getting Slot info\n", __FUNCTION__);
- if ((ca_get_slot_info(state, p_ca_slot_info, arg)) < 0) {
- dprintk("%s: -->CA_GET_SLOT_INFO Failed !\n", __FUNCTION__);
- return -1;
- }
- if (verbose > 1)
- dprintk("%s: -->CA_GET_SLOT_INFO Success !\n", __FUNCTION__);
-
- break;
-
- case CA_GET_CAP:
- if (verbose > 1)
- dprintk("%s: Getting Slot capabilities\n", __FUNCTION__);
- if ((ca_get_slot_caps(state, p_ca_caps, arg)) < 0) {
- dprintk("%s: -->CA_GET_CAP Failed !\n", __FUNCTION__);
- return -1;
- }
- if (verbose > 1)
- dprintk("%s: -->CA_GET_CAP Success !\n", __FUNCTION__);
-
- break;
-
- case CA_GET_DESCR_INFO:
- if (verbose > 1)
- dprintk("%s: Getting descrambler description\n", __FUNCTION__);
- if ((ca_get_slot_descr(state, p_ca_message, arg)) < 0) {
- dprintk("%s: -->CA_GET_DESCR_INFO Failed !\n", __FUNCTION__);
- return -1;
- }
- if (verbose > 1)
- dprintk("%s: -->CA_GET_DESCR_INFO Success !\n", __FUNCTION__);
-
- break;
-
- case CA_SET_DESCR:
- if (verbose > 1)
- dprintk("%s: Setting descrambler\n", __FUNCTION__);
- if ((ca_set_slot_descr()) < 0) {
- dprintk("%s: -->CA_SET_DESCR Failed !\n", __FUNCTION__);
- return -1;
- }
- if (verbose > 1)
- dprintk("%s: -->CA_SET_DESCR Success !\n", __FUNCTION__);
-
- break;
-
- case CA_SET_PID:
- if (verbose > 1)
- dprintk("%s: Setting PID\n", __FUNCTION__);
- if ((ca_set_pid()) < 0) {
- dprintk("%s: -->CA_SET_PID Failed !\n", __FUNCTION__);
- return -1;
- }
- if (verbose > 1)
- dprintk("%s: -->CA_SET_PID Success !\n", __FUNCTION__);
-
- default:
- return -EOPNOTSUPP;
- };
-
- return 0;
+ case CA_SEND_MSG:
+ dprintk(verbose, DST_CA_INFO, 1, " Sending message");
+ if ((ca_send_message(state, p_ca_message, arg)) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SEND_MSG Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ break;
+ case CA_GET_MSG:
+ dprintk(verbose, DST_CA_INFO, 1, " Getting message");
+ if ((ca_get_message(state, p_ca_message, arg)) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_MSG Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_MSG Success !");
+ break;
+ case CA_RESET:
+ dprintk(verbose, DST_CA_ERROR, 1, " Resetting DST");
+ dst_error_bailout(state);
+ msleep(4000);
+ break;
+ case CA_GET_SLOT_INFO:
+ dprintk(verbose, DST_CA_INFO, 1, " Getting Slot info");
+ if ((ca_get_slot_info(state, p_ca_slot_info, arg)) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_SLOT_INFO Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_SLOT_INFO Success !");
+ break;
+ case CA_GET_CAP:
+ dprintk(verbose, DST_CA_INFO, 1, " Getting Slot capabilities");
+ if ((ca_get_slot_caps(state, p_ca_caps, arg)) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_CAP Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_CAP Success !");
+ break;
+ case CA_GET_DESCR_INFO:
+ dprintk(verbose, DST_CA_INFO, 1, " Getting descrambler description");
+ if ((ca_get_slot_descr(state, p_ca_message, arg)) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_GET_DESCR_INFO Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->CA_GET_DESCR_INFO Success !");
+ break;
+ case CA_SET_DESCR:
+ dprintk(verbose, DST_CA_INFO, 1, " Setting descrambler");
+ if ((ca_set_slot_descr()) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SET_DESCR Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_DESCR Success !");
+ break;
+ case CA_SET_PID:
+ dprintk(verbose, DST_CA_INFO, 1, " Setting PID");
+ if ((ca_set_pid()) < 0) {
+ dprintk(verbose, DST_CA_ERROR, 1, " -->CA_SET_PID Failed !");
+ result = -1;
+ goto free_mem_and_exit;
+ }
+ dprintk(verbose, DST_CA_INFO, 1, " -->CA_SET_PID Success !");
+ default:
+ result = -EOPNOTSUPP;
+ };
+ free_mem_and_exit:
+ kfree (p_ca_message);
+ kfree (p_ca_slot_info);
+ kfree (p_ca_caps);
+
+ return result;
}
static int dst_ca_open(struct inode *inode, struct file *file)
{
- if (verbose > 4)
- dprintk("%s:Device opened [%p]\n", __FUNCTION__, file);
+ dprintk(verbose, DST_CA_DEBUG, 1, " Device opened [%p] ", file);
try_module_get(THIS_MODULE);
return 0;
static int dst_ca_release(struct inode *inode, struct file *file)
{
- if (verbose > 4)
- dprintk("%s:Device closed.\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_DEBUG, 1, " Device closed.");
module_put(THIS_MODULE);
return 0;
}
-static int dst_ca_read(struct file *file, char __user * buffer, size_t length, loff_t * offset)
+static ssize_t dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
{
int bytes_read = 0;
- if (verbose > 4)
- dprintk("%s:Device read.\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_DEBUG, 1, " Device read.");
return bytes_read;
}
-static int dst_ca_write(struct file *file, const char __user * buffer, size_t length, loff_t * offset)
+static ssize_t dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
{
- if (verbose > 4)
- dprintk("%s:Device write.\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_DEBUG, 1, " Device write.");
return 0;
}
static struct file_operations dst_ca_fops = {
.owner = THIS_MODULE,
- .ioctl = (void *)dst_ca_ioctl,
+ .ioctl = dst_ca_ioctl,
.open = dst_ca_open,
.release = dst_ca_release,
.read = dst_ca_read,
int dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter)
{
struct dvb_device *dvbdev;
- if (verbose > 4)
- dprintk("%s:registering DST-CA device\n", __FUNCTION__);
+ dprintk(verbose, DST_CA_ERROR, 1, "registering DST-CA device");
dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA);
return 0;
}
git://git.onelab.eu / linux-2.6.git / blobdiff