summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/orinoco.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/orinoco.c')
-rw-r--r--drivers/net/wireless/orinoco.c314
1 files changed, 312 insertions, 2 deletions
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 00b1d595fa3c..306697aa3330 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -82,12 +82,14 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
+#include <linux/firmware.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <net/iw_handler.h>
#include <net/ieee80211.h>
#include "hermes_rid.h"
+#include "hermes_dld.h"
#include "orinoco.h"
/********************************************************************/
@@ -301,6 +303,272 @@ static void orinoco_bss_data_init(struct orinoco_private *priv)
list_add_tail(&priv->bss_data[i].list, &priv->bss_free_list);
}
+
+/********************************************************************/
+/* Download functionality */
+/********************************************************************/
+
+struct fw_info {
+ char *pri_fw;
+ char *sta_fw;
+ char *ap_fw;
+ u32 pda_addr;
+ u16 pda_size;
+};
+
+const static struct fw_info orinoco_fw[] = {
+ { "", "agere_sta_fw.bin", "agere_ap_fw.bin", 0x00390000, 1000 },
+ { "", "prism_sta_fw.bin", "prism_ap_fw.bin", 0, 1024 },
+ { "symbol_sp24t_prim_fw", "symbol_sp24t_sec_fw", "", 0x00003100, 0x100 }
+};
+
+/* Structure used to access fields in FW
+ * Make sure LE decoding macros are used
+ */
+struct orinoco_fw_header {
+ char hdr_vers[6]; /* ASCII string for header version */
+ __le16 headersize; /* Total length of header */
+ __le32 entry_point; /* NIC entry point */
+ __le32 blocks; /* Number of blocks to program */
+ __le32 block_offset; /* Offset of block data from eof header */
+ __le32 pdr_offset; /* Offset to PDR data from eof header */
+ __le32 pri_offset; /* Offset to primary plug data */
+ __le32 compat_offset; /* Offset to compatibility data*/
+ char signature[0]; /* FW signature length headersize-20 */
+} __attribute__ ((packed));
+
+/* Download either STA or AP firmware into the card. */
+static int
+orinoco_dl_firmware(struct orinoco_private *priv,
+ const struct fw_info *fw,
+ int ap)
+{
+ /* Plug Data Area (PDA) */
+ __le16 pda[512] = { 0 };
+
+ hermes_t *hw = &priv->hw;
+ const struct firmware *fw_entry;
+ const struct orinoco_fw_header *hdr;
+ const unsigned char *first_block;
+ const unsigned char *end;
+ const char *firmware;
+ struct net_device *dev = priv->ndev;
+ int err;
+
+ if (ap)
+ firmware = fw->ap_fw;
+ else
+ firmware = fw->sta_fw;
+
+ printk(KERN_DEBUG "%s: Attempting to download firmware %s\n",
+ dev->name, firmware);
+
+ /* Read current plug data */
+ err = hermes_read_pda(hw, pda, fw->pda_addr,
+ min_t(u16, fw->pda_size, sizeof(pda)), 0);
+ printk(KERN_DEBUG "%s: Read PDA returned %d\n", dev->name, err);
+ if (err)
+ return err;
+
+ err = request_firmware(&fw_entry, firmware, priv->dev);
+ if (err) {
+ printk(KERN_ERR "%s: Cannot find firmware %s\n",
+ dev->name, firmware);
+ return -ENOENT;
+ }
+
+ hdr = (const struct orinoco_fw_header *) fw_entry->data;
+
+ /* Enable aux port to allow programming */
+ err = hermesi_program_init(hw, le32_to_cpu(hdr->entry_point));
+ printk(KERN_DEBUG "%s: Program init returned %d\n", dev->name, err);
+ if (err != 0)
+ goto abort;
+
+ /* Program data */
+ first_block = (fw_entry->data +
+ le16_to_cpu(hdr->headersize) +
+ le32_to_cpu(hdr->block_offset));
+ end = fw_entry->data + fw_entry->size;
+
+ err = hermes_program(hw, first_block, end);
+ printk(KERN_DEBUG "%s: Program returned %d\n", dev->name, err);
+ if (err != 0)
+ goto abort;
+
+ /* Update production data */
+ first_block = (fw_entry->data +
+ le16_to_cpu(hdr->headersize) +
+ le32_to_cpu(hdr->pdr_offset));
+
+ err = hermes_apply_pda_with_defaults(hw, first_block, pda);
+ printk(KERN_DEBUG "%s: Apply PDA returned %d\n", dev->name, err);
+ if (err)
+ goto abort;
+
+ /* Tell card we've finished */
+ err = hermesi_program_end(hw);
+ printk(KERN_DEBUG "%s: Program end returned %d\n", dev->name, err);
+ if (err != 0)
+ goto abort;
+
+ /* Check if we're running */
+ printk(KERN_DEBUG "%s: hermes_present returned %d\n",
+ dev->name, hermes_present(hw));
+
+abort:
+ release_firmware(fw_entry);
+ return err;
+}
+
+/* End markers */
+#define TEXT_END 0x1A /* End of text header */
+
+/*
+ * Process a firmware image - stop the card, load the firmware, reset
+ * the card and make sure it responds. For the secondary firmware take
+ * care of the PDA - read it and then write it on top of the firmware.
+ */
+static int
+symbol_dl_image(struct orinoco_private *priv, const struct fw_info *fw,
+ const unsigned char *image, const unsigned char *end,
+ int secondary)
+{
+ hermes_t *hw = &priv->hw;
+ int ret;
+ const unsigned char *ptr;
+ const unsigned char *first_block;
+
+ /* Plug Data Area (PDA) */
+ __le16 pda[256];
+
+ /* Binary block begins after the 0x1A marker */
+ ptr = image;
+ while (*ptr++ != TEXT_END);
+ first_block = ptr;
+
+ /* Read the PDA from EEPROM */
+ if (secondary) {
+ ret = hermes_read_pda(hw, pda, fw->pda_addr, sizeof(pda), 1);
+ if (ret)
+ return ret;
+ }
+
+ /* Stop the firmware, so that it can be safely rewritten */
+ if (priv->stop_fw) {
+ ret = priv->stop_fw(priv, 1);
+ if (ret)
+ return ret;
+ }
+
+ /* Program the adapter with new firmware */
+ ret = hermes_program(hw, first_block, end);
+ if (ret)
+ return ret;
+
+ /* Write the PDA to the adapter */
+ if (secondary) {
+ size_t len = hermes_blocks_length(first_block);
+ ptr = first_block + len;
+ ret = hermes_apply_pda(hw, ptr, pda);
+ if (ret)
+ return ret;
+ }
+
+ /* Run the firmware */
+ if (priv->stop_fw) {
+ ret = priv->stop_fw(priv, 0);
+ if (ret)
+ return ret;
+ }
+
+ /* Reset hermes chip and make sure it responds */
+ ret = hermes_init(hw);
+
+ /* hermes_reset() should return 0 with the secondary firmware */
+ if (secondary && ret != 0)
+ return -ENODEV;
+
+ /* And this should work with any firmware */
+ if (!hermes_present(hw))
+ return -ENODEV;
+
+ return 0;
+}
+
+
+/*
+ * Download the firmware into the card, this also does a PCMCIA soft
+ * reset on the card, to make sure it's in a sane state.
+ */
+static int
+symbol_dl_firmware(struct orinoco_private *priv,
+ const struct fw_info *fw)
+{
+ struct net_device *dev = priv->ndev;
+ int ret;
+ const struct firmware *fw_entry;
+
+ if (request_firmware(&fw_entry, fw->pri_fw,
+ priv->dev) != 0) {
+ printk(KERN_ERR "%s: Cannot find firmware: %s\n",
+ dev->name, fw->pri_fw);
+ return -ENOENT;
+ }
+
+ /* Load primary firmware */
+ ret = symbol_dl_image(priv, fw, fw_entry->data,
+ fw_entry->data + fw_entry->size, 0);
+ release_firmware(fw_entry);
+ if (ret) {
+ printk(KERN_ERR "%s: Primary firmware download failed\n",
+ dev->name);
+ return ret;
+ }
+
+ if (request_firmware(&fw_entry, fw->sta_fw,
+ priv->dev) != 0) {
+ printk(KERN_ERR "%s: Cannot find firmware: %s\n",
+ dev->name, fw->sta_fw);
+ return -ENOENT;
+ }
+
+ /* Load secondary firmware */
+ ret = symbol_dl_image(priv, fw, fw_entry->data,
+ fw_entry->data + fw_entry->size, 1);
+ release_firmware(fw_entry);
+ if (ret) {
+ printk(KERN_ERR "%s: Secondary firmware download failed\n",
+ dev->name);
+ }
+
+ return ret;
+}
+
+static int orinoco_download(struct orinoco_private *priv)
+{
+ int err = 0;
+ /* Reload firmware */
+ switch (priv->firmware_type) {
+ case FIRMWARE_TYPE_AGERE:
+ /* case FIRMWARE_TYPE_INTERSIL: */
+ err = orinoco_dl_firmware(priv,
+ &orinoco_fw[priv->firmware_type], 0);
+ break;
+
+ case FIRMWARE_TYPE_SYMBOL:
+ err = symbol_dl_firmware(priv,
+ &orinoco_fw[priv->firmware_type]);
+ break;
+ case FIRMWARE_TYPE_INTERSIL:
+ break;
+ }
+ /* TODO: if we fail we probably need to reinitialise
+ * the driver */
+
+ return err;
+}
+
/********************************************************************/
/* Device methods */
/********************************************************************/
@@ -2043,6 +2311,12 @@ static void orinoco_reset(struct work_struct *work)
}
}
+ if (priv->do_fw_download) {
+ err = orinoco_download(priv);
+ if (err)
+ priv->do_fw_download = 0;
+ }
+
err = orinoco_reinit_firmware(dev);
if (err) {
printk(KERN_ERR "%s: orinoco_reset: Error %d re-initializing firmware\n",
@@ -2254,6 +2528,7 @@ static int determine_firmware(struct net_device *dev)
priv->has_ibss = 1;
priv->has_wep = 0;
priv->has_big_wep = 0;
+ priv->do_fw_download = 0;
/* Determine capabilities from the firmware version */
switch (priv->firmware_type) {
@@ -2273,6 +2548,7 @@ static int determine_firmware(struct net_device *dev)
priv->has_pm = (firmver >= 0x40020); /* Don't work in 7.52 ? */
priv->ibss_port = 1;
priv->has_hostscan = (firmver >= 0x8000a);
+ priv->do_fw_download = 1;
priv->broken_monitor = (firmver >= 0x80000);
/* Tested with Agere firmware :
@@ -2317,6 +2593,21 @@ static int determine_firmware(struct net_device *dev)
firmver >= 0x31000;
priv->has_preamble = (firmver >= 0x20000);
priv->ibss_port = 4;
+
+ /* Symbol firmware is found on various cards, but
+ * there has been no attempt to check firmware
+ * download on non-spectrum_cs based cards.
+ *
+ * Given that the Agere firmware download works
+ * differently, we should avoid doing a firmware
+ * download with the Symbol algorithm on non-spectrum
+ * cards.
+ *
+ * For now we can identify a spectrum_cs based card
+ * because it has a firmware reset function.
+ */
+ priv->do_fw_download = (priv->stop_fw != NULL);
+
priv->broken_disableport = (firmver == 0x25013) ||
(firmver >= 0x30000 && firmver <= 0x31000);
priv->has_hostscan = (firmver >= 0x31001) ||
@@ -2387,6 +2678,20 @@ static int orinoco_init(struct net_device *dev)
goto out;
}
+ if (priv->do_fw_download) {
+ err = orinoco_download(priv);
+ if (err)
+ priv->do_fw_download = 0;
+
+ /* Check firmware version again */
+ err = determine_firmware(dev);
+ if (err != 0) {
+ printk(KERN_ERR "%s: Incompatible firmware, aborting\n",
+ dev->name);
+ goto out;
+ }
+ }
+
if (priv->has_port3)
printk(KERN_DEBUG "%s: Ad-hoc demo mode supported\n", dev->name);
if (priv->has_ibss)
@@ -2529,8 +2834,11 @@ static int orinoco_init(struct net_device *dev)
return err;
}
-struct net_device *alloc_orinocodev(int sizeof_card,
- int (*hard_reset)(struct orinoco_private *))
+struct net_device
+*alloc_orinocodev(int sizeof_card,
+ struct device *device,
+ int (*hard_reset)(struct orinoco_private *),
+ int (*stop_fw)(struct orinoco_private *, int))
{
struct net_device *dev;
struct orinoco_private *priv;
@@ -2545,6 +2853,7 @@ struct net_device *alloc_orinocodev(int sizeof_card,
+ sizeof(struct orinoco_private));
else
priv->card = NULL;
+ priv->dev = device;
if (orinoco_bss_data_allocate(priv))
goto err_out_free;
@@ -2570,6 +2879,7 @@ struct net_device *alloc_orinocodev(int sizeof_card,
dev->open = orinoco_open;
dev->stop = orinoco_stop;
priv->hard_reset = hard_reset;
+ priv->stop_fw = stop_fw;
spin_lock_init(&priv->lock);
priv->open = 0;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-21 17:42:41 +0300