diff options
Diffstat (limited to 'drivers/media/dvb/bt8xx/dst_ca.c')
| -rw-r--r-- | drivers/media/dvb/bt8xx/dst_ca.c | 861 |
1 files changed, 861 insertions, 0 deletions
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c new file mode 100644 index 000000000000..d781504cc2fa --- /dev/null +++ b/drivers/media/dvb/bt8xx/dst_ca.c @@ -0,0 +1,861 @@ +/* + CA-driver for TwinHan DST Frontend/Card + + Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.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, or + (at your option) any later version. + + 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., 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; +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) +{ + /* We could make this more graceful ? */ + return -EOPNOTSUPP; +} + +/* Need some more work */ +static int ca_set_pid(void) +{ + /* We could make this more graceful ? */ + return -EOPNOTSUPP; +} + + +static int 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; +} + +static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read) +{ + u8 reply; + + dst_comm_init(state); + msleep(65); + + if (write_dst(state, data, len)) { + dprintk("%s: Write not successful, trying to recover\n", __FUNCTION__); + dst_error_recovery(state); + return -1; + } + + if ((dst_pio_disable(state)) < 0) { + dprintk("%s: DST PIO disable failed.\n", __FUNCTION__); + return -1; + } + + if (read_dst(state, &reply, GET_ACK) < 0) { + dprintk("%s: Read not successful, trying to recover\n", __FUNCTION__); + dst_error_recovery(state); + return -1; + } + + if (read) { + if (! dst_wait_dst_ready(state, LONG_DELAY)) { + dprintk("%s: 8820 not ready\n", __FUNCTION__); + return -1; + } + + if (read_dst(state, ca_string, 128) < 0) { /* Try to make this dynamic */ + dprintk("%s: Read not successful, trying to recover\n", __FUNCTION__); + dst_error_recovery(state); + return -1; + } + } + + return 0; +} + + +static int dst_put_ci(struct dst_state *state, u8 *data, int len, u8 *ca_string, int read) +{ + u8 dst_ca_comm_err = 0; + + while (dst_ca_comm_err < RETRIES) { + dst_comm_init(state); + if (verbose > 2) + dprintk("%s: Put Command\n", __FUNCTION__); + if (dst_ci_command(state, data, ca_string, len, read)) { // If error + dst_error_recovery(state); + dst_ca_comm_err++; // work required here. + } + break; + } + + return 0; +} + + + +static int ca_get_app_info(struct dst_state *state) +{ + static u8 command[8] = {0x07, 0x40, 0x01, 0x00, 0x01, 0x00, 0x00, 0xff}; + + 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__); + 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__); + } + + return 0; +} + +static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, void *arg) +{ + int i; + u8 slot_cap[256]; + static u8 slot_command[8] = {0x07, 0x40, 0x02, 0x00, 0x02, 0x00, 0x00, 0xff}; + + 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__); + return -1; + } + if (verbose > 1) + dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__); + + /* 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"); + } + + 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))) { + 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) +{ + return -EOPNOTSUPP; +} + + +static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_slot_info, void *arg) +{ + int i; + static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff}; + + u8 *slot_info = state->rxbuffer; + + 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__); + return -1; + } + if (verbose > 1) + dprintk("%s: -->dst_put_ci SUCCESS !\n", __FUNCTION__); + + /* 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"); + } + + 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) { + p_ca_slot_info->flags = CA_CI_MODULE_READY; + p_ca_slot_info->num = 1; + p_ca_slot_info->type = CA_CI; + } + 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))) { + return -EFAULT; + } + + return 0; +} + + + + +static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg) +{ + u8 i = 0; + u32 command = 0; + + if (copy_from_user(p_ca_message, (void *)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]); + + 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); + + 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; + break; + } + } + + return 0; +} + +static int handle_en50221_tag(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer) +{ + 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] = 0x03; + hw_buffer->msg[3] = 0x00; + } + return 0; +} + +static int debug_8820_buffer(struct ca_msg *hw_buffer) +{ + unsigned int i; + + dprintk("%s:Debug=[", __FUNCTION__); + for (i = 0; i < (hw_buffer->msg[0] + 1); i++) + dprintk(" %02x", hw_buffer->msg[i]); + dprintk("]\n"); + + return 0; +} + +static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, 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__); + rdc_reset_state(state); + return -1; + } + if (verbose > 2) + dprintk("%s: DST-CI Command succes.\n", __FUNCTION__); + + 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) +{ + 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]; + } + } + 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; + + /* 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; + } + + /* 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"); + } + } + + /* MCU Magic words */ + + 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; + + + /* Fix length */ + hw_buffer->length = 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); + + 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) +{ + int ca_pmt_reply_test = 0; + + /* 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__); + return -1; + } + + /* Process CA PMT Reply */ + /* will implement soon */ + dprintk("%s: Not there yet\n", __FUNCTION__); + } + /* 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__); + return -1; + } + if (verbose > 3) + dprintk("%s: ca_set_pmt.. success !\n", __FUNCTION__); + /* put a dummy message */ + + } + return 0; +} + +static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg) +{ + int i = 0; + unsigned int ca_message_header_len; + + u32 command = 0; + struct ca_msg *hw_buffer; + + if ((hw_buffer = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) { + printk("%s: Memory allocation failure\n", __FUNCTION__); + return -ENOMEM; + } + if (verbose > 3) + dprintk("%s\n", __FUNCTION__); + + 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 */ + /* EN50221 tag */ + command = 0; + + 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); + + 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; + } + } + return 0; +} + +static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *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; + + if ((p_ca_message = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) { + printk("%s: Memory allocation failure\n", __FUNCTION__); + 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__); + return -ENOMEM; + } + + if ((p_ca_caps = (struct ca_caps *) kmalloc(sizeof (struct ca_caps), GFP_KERNEL)) == NULL) { + printk("%s: Memory allocation failure\n", __FUNCTION__); + 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; +} + +static int dst_ca_open(struct inode *inode, struct file *file) +{ + if (verbose > 4) + dprintk("%s:Device opened [%p]\n", __FUNCTION__, 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__); + module_put(THIS_MODULE); + + return 0; +} + +static int 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__); + + return bytes_read; +} + +static int 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__); + + return 0; +} + +static struct file_operations dst_ca_fops = { + .owner = THIS_MODULE, + .ioctl = (void *)dst_ca_ioctl, + .open = dst_ca_open, + .release = dst_ca_release, + .read = dst_ca_read, + .write = dst_ca_write +}; + +static struct dvb_device dvbdev_ca = { + .priv = NULL, + .users = 1, + .readers = 1, + .writers = 1, + .fops = &dst_ca_fops +}; + +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__); + dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA); + return 0; +} + +EXPORT_SYMBOL(dst_ca_attach); + +MODULE_DESCRIPTION("DST DVB-S/T/C Combo CA driver"); +MODULE_AUTHOR("Manu Abraham"); +MODULE_LICENSE("GPL"); |