mirror of
https://github.com/FEX-Emu/linux.git
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orinoco: Move firmware handling into a separate file
No functional change. Signed-off-by: David Kilroy <kilroyd@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Kilroy
John W. Linville
parent
4adb474b6b
commit
37a2e566f8
@ -1,7 +1,7 @@
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#
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# Makefile for the orinoco wireless device drivers.
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#
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orinoco-objs := main.o mic.o scan.o
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orinoco-objs := main.o fw.o mic.o scan.o
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obj-$(CONFIG_HERMES) += orinoco.o hermes.o hermes_dld.o
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obj-$(CONFIG_PCMCIA_HERMES) += orinoco_cs.o
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340
drivers/net/wireless/orinoco/fw.c
Normal file
340
drivers/net/wireless/orinoco/fw.c
Normal file
@ -0,0 +1,340 @@
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/* Firmware file reading and download helpers
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*
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* See copyright notice in main.c
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*/
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#include <linux/kernel.h>
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#include <linux/firmware.h>
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#include "hermes.h"
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#include "hermes_dld.h"
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#include "orinoco.h"
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#include "fw.h"
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/* End markers (for Symbol firmware only) */
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#define TEXT_END 0x1A /* End of text header */
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struct fw_info {
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char *pri_fw;
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char *sta_fw;
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char *ap_fw;
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u32 pda_addr;
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u16 pda_size;
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};
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const static struct fw_info orinoco_fw[] = {
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{ NULL, "agere_sta_fw.bin", "agere_ap_fw.bin", 0x00390000, 1000 },
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{ NULL, "prism_sta_fw.bin", "prism_ap_fw.bin", 0, 1024 },
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{ "symbol_sp24t_prim_fw", "symbol_sp24t_sec_fw", NULL, 0x00003100, 512 }
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};
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/* Structure used to access fields in FW
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* Make sure LE decoding macros are used
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*/
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struct orinoco_fw_header {
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char hdr_vers[6]; /* ASCII string for header version */
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__le16 headersize; /* Total length of header */
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__le32 entry_point; /* NIC entry point */
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__le32 blocks; /* Number of blocks to program */
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__le32 block_offset; /* Offset of block data from eof header */
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__le32 pdr_offset; /* Offset to PDR data from eof header */
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__le32 pri_offset; /* Offset to primary plug data */
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__le32 compat_offset; /* Offset to compatibility data*/
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char signature[0]; /* FW signature length headersize-20 */
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} __attribute__ ((packed));
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/* Download either STA or AP firmware into the card. */
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static int
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orinoco_dl_firmware(struct orinoco_private *priv,
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const struct fw_info *fw,
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int ap)
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{
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/* Plug Data Area (PDA) */
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__le16 *pda;
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hermes_t *hw = &priv->hw;
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const struct firmware *fw_entry;
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const struct orinoco_fw_header *hdr;
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const unsigned char *first_block;
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const unsigned char *end;
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const char *firmware;
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struct net_device *dev = priv->ndev;
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int err = 0;
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pda = kzalloc(fw->pda_size, GFP_KERNEL);
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if (!pda)
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return -ENOMEM;
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if (ap)
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firmware = fw->ap_fw;
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else
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firmware = fw->sta_fw;
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printk(KERN_DEBUG "%s: Attempting to download firmware %s\n",
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dev->name, firmware);
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/* Read current plug data */
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err = hermes_read_pda(hw, pda, fw->pda_addr, fw->pda_size, 0);
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printk(KERN_DEBUG "%s: Read PDA returned %d\n", dev->name, err);
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if (err)
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goto free;
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if (!priv->cached_fw) {
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err = request_firmware(&fw_entry, firmware, priv->dev);
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if (err) {
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printk(KERN_ERR "%s: Cannot find firmware %s\n",
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dev->name, firmware);
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err = -ENOENT;
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goto free;
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}
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} else
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fw_entry = priv->cached_fw;
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hdr = (const struct orinoco_fw_header *) fw_entry->data;
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/* Enable aux port to allow programming */
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err = hermesi_program_init(hw, le32_to_cpu(hdr->entry_point));
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printk(KERN_DEBUG "%s: Program init returned %d\n", dev->name, err);
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if (err != 0)
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goto abort;
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/* Program data */
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first_block = (fw_entry->data +
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le16_to_cpu(hdr->headersize) +
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le32_to_cpu(hdr->block_offset));
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end = fw_entry->data + fw_entry->size;
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err = hermes_program(hw, first_block, end);
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printk(KERN_DEBUG "%s: Program returned %d\n", dev->name, err);
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if (err != 0)
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goto abort;
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/* Update production data */
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first_block = (fw_entry->data +
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le16_to_cpu(hdr->headersize) +
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le32_to_cpu(hdr->pdr_offset));
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err = hermes_apply_pda_with_defaults(hw, first_block, pda);
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printk(KERN_DEBUG "%s: Apply PDA returned %d\n", dev->name, err);
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if (err)
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goto abort;
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/* Tell card we've finished */
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err = hermesi_program_end(hw);
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printk(KERN_DEBUG "%s: Program end returned %d\n", dev->name, err);
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if (err != 0)
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goto abort;
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/* Check if we're running */
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printk(KERN_DEBUG "%s: hermes_present returned %d\n",
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dev->name, hermes_present(hw));
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abort:
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/* If we requested the firmware, release it. */
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if (!priv->cached_fw)
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release_firmware(fw_entry);
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free:
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kfree(pda);
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return err;
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}
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/*
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* Process a firmware image - stop the card, load the firmware, reset
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* the card and make sure it responds. For the secondary firmware take
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* care of the PDA - read it and then write it on top of the firmware.
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*/
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static int
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symbol_dl_image(struct orinoco_private *priv, const struct fw_info *fw,
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const unsigned char *image, const unsigned char *end,
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int secondary)
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{
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hermes_t *hw = &priv->hw;
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int ret = 0;
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const unsigned char *ptr;
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const unsigned char *first_block;
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/* Plug Data Area (PDA) */
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__le16 *pda = NULL;
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/* Binary block begins after the 0x1A marker */
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ptr = image;
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while (*ptr++ != TEXT_END);
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first_block = ptr;
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/* Read the PDA from EEPROM */
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if (secondary) {
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pda = kzalloc(fw->pda_size, GFP_KERNEL);
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if (!pda)
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return -ENOMEM;
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ret = hermes_read_pda(hw, pda, fw->pda_addr, fw->pda_size, 1);
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if (ret)
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goto free;
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}
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/* Stop the firmware, so that it can be safely rewritten */
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if (priv->stop_fw) {
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ret = priv->stop_fw(priv, 1);
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if (ret)
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goto free;
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}
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/* Program the adapter with new firmware */
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ret = hermes_program(hw, first_block, end);
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if (ret)
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goto free;
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/* Write the PDA to the adapter */
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if (secondary) {
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size_t len = hermes_blocks_length(first_block);
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ptr = first_block + len;
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ret = hermes_apply_pda(hw, ptr, pda);
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kfree(pda);
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if (ret)
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return ret;
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}
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/* Run the firmware */
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if (priv->stop_fw) {
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ret = priv->stop_fw(priv, 0);
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if (ret)
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return ret;
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}
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/* Reset hermes chip and make sure it responds */
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ret = hermes_init(hw);
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/* hermes_reset() should return 0 with the secondary firmware */
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if (secondary && ret != 0)
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return -ENODEV;
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/* And this should work with any firmware */
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if (!hermes_present(hw))
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return -ENODEV;
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return 0;
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free:
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kfree(pda);
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return ret;
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}
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/*
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* Download the firmware into the card, this also does a PCMCIA soft
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* reset on the card, to make sure it's in a sane state.
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*/
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static int
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symbol_dl_firmware(struct orinoco_private *priv,
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const struct fw_info *fw)
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{
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struct net_device *dev = priv->ndev;
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int ret;
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const struct firmware *fw_entry;
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if (!priv->cached_pri_fw) {
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if (request_firmware(&fw_entry, fw->pri_fw, priv->dev) != 0) {
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printk(KERN_ERR "%s: Cannot find firmware: %s\n",
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dev->name, fw->pri_fw);
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return -ENOENT;
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}
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} else
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fw_entry = priv->cached_pri_fw;
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/* Load primary firmware */
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ret = symbol_dl_image(priv, fw, fw_entry->data,
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fw_entry->data + fw_entry->size, 0);
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if (!priv->cached_pri_fw)
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release_firmware(fw_entry);
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if (ret) {
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printk(KERN_ERR "%s: Primary firmware download failed\n",
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dev->name);
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return ret;
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}
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if (!priv->cached_fw) {
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if (request_firmware(&fw_entry, fw->sta_fw, priv->dev) != 0) {
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printk(KERN_ERR "%s: Cannot find firmware: %s\n",
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dev->name, fw->sta_fw);
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return -ENOENT;
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}
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} else
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fw_entry = priv->cached_fw;
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/* Load secondary firmware */
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ret = symbol_dl_image(priv, fw, fw_entry->data,
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fw_entry->data + fw_entry->size, 1);
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if (!priv->cached_fw)
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release_firmware(fw_entry);
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if (ret) {
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printk(KERN_ERR "%s: Secondary firmware download failed\n",
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dev->name);
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}
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return ret;
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}
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int orinoco_download(struct orinoco_private *priv)
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{
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int err = 0;
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/* Reload firmware */
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switch (priv->firmware_type) {
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case FIRMWARE_TYPE_AGERE:
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/* case FIRMWARE_TYPE_INTERSIL: */
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err = orinoco_dl_firmware(priv,
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&orinoco_fw[priv->firmware_type], 0);
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break;
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case FIRMWARE_TYPE_SYMBOL:
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err = symbol_dl_firmware(priv,
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&orinoco_fw[priv->firmware_type]);
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break;
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case FIRMWARE_TYPE_INTERSIL:
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break;
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}
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/* TODO: if we fail we probably need to reinitialise
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* the driver */
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return err;
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}
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void orinoco_cache_fw(struct orinoco_private *priv, int ap)
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{
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#if defined(CONFIG_HERMES_CACHE_FW_ON_INIT) || defined(CONFIG_PM_SLEEP)
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const struct firmware *fw_entry = NULL;
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const char *pri_fw;
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const char *fw;
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pri_fw = orinoco_fw[priv->firmware_type].pri_fw;
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if (ap)
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fw = orinoco_fw[priv->firmware_type].ap_fw;
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else
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fw = orinoco_fw[priv->firmware_type].sta_fw;
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if (pri_fw) {
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if (request_firmware(&fw_entry, pri_fw, priv->dev) == 0)
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priv->cached_pri_fw = fw_entry;
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}
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if (fw) {
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if (request_firmware(&fw_entry, fw, priv->dev) == 0)
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priv->cached_fw = fw_entry;
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}
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#endif
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}
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void orinoco_uncache_fw(struct orinoco_private *priv)
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{
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#if defined(CONFIG_HERMES_CACHE_FW_ON_INIT) || defined(CONFIG_PM_SLEEP)
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if (priv->cached_pri_fw)
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release_firmware(priv->cached_pri_fw);
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if (priv->cached_fw)
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release_firmware(priv->cached_fw);
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priv->cached_pri_fw = NULL;
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priv->cached_fw = NULL;
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#endif
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}
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16
drivers/net/wireless/orinoco/fw.h
Normal file
16
drivers/net/wireless/orinoco/fw.h
Normal file
@ -0,0 +1,16 @@
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/* Firmware file reading and download helpers
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*
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* See copyright notice in main.c
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*/
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#ifndef _ORINOCO_FW_H_
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#define _ORINOCO_FW_H_
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/* Forward declations */
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struct orinoco_private;
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int orinoco_download(struct orinoco_private *priv);
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void orinoco_cache_fw(struct orinoco_private *priv, int ap);
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void orinoco_uncache_fw(struct orinoco_private *priv);
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#endif /* _ORINOCO_FW_H_ */
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@ -83,7 +83,6 @@
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/ethtool.h>
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#include <linux/firmware.h>
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#include <linux/suspend.h>
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#include <linux/if_arp.h>
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#include <linux/wireless.h>
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@ -94,6 +93,7 @@
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#include "hermes_dld.h"
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#include "scan.h"
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#include "mic.h"
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#include "fw.h"
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#include "orinoco.h"
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@ -309,339 +309,6 @@ static inline u8 *orinoco_get_wpa_ie(u8 *data, size_t len)
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}
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/********************************************************************/
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/* Download functionality */
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/********************************************************************/
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struct fw_info {
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char *pri_fw;
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char *sta_fw;
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char *ap_fw;
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u32 pda_addr;
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u16 pda_size;
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};
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const static struct fw_info orinoco_fw[] = {
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{ NULL, "agere_sta_fw.bin", "agere_ap_fw.bin", 0x00390000, 1000 },
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{ NULL, "prism_sta_fw.bin", "prism_ap_fw.bin", 0, 1024 },
|
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{ "symbol_sp24t_prim_fw", "symbol_sp24t_sec_fw", NULL, 0x00003100, 512 }
|
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};
|
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|
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/* Structure used to access fields in FW
|
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* Make sure LE decoding macros are used
|
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*/
|
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struct orinoco_fw_header {
|
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char hdr_vers[6]; /* ASCII string for header version */
|
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__le16 headersize; /* Total length of header */
|
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__le32 entry_point; /* NIC entry point */
|
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__le32 blocks; /* Number of blocks to program */
|
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__le32 block_offset; /* Offset of block data from eof header */
|
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__le32 pdr_offset; /* Offset to PDR data from eof header */
|
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__le32 pri_offset; /* Offset to primary plug data */
|
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__le32 compat_offset; /* Offset to compatibility data*/
|
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char signature[0]; /* FW signature length headersize-20 */
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} __attribute__ ((packed));
|
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|
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/* Download either STA or AP firmware into the card. */
|
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static int
|
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orinoco_dl_firmware(struct orinoco_private *priv,
|
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const struct fw_info *fw,
|
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int ap)
|
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{
|
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/* Plug Data Area (PDA) */
|
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__le16 *pda;
|
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|
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hermes_t *hw = &priv->hw;
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const struct firmware *fw_entry;
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const struct orinoco_fw_header *hdr;
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const unsigned char *first_block;
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const unsigned char *end;
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const char *firmware;
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struct net_device *dev = priv->ndev;
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int err = 0;
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pda = kzalloc(fw->pda_size, GFP_KERNEL);
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if (!pda)
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return -ENOMEM;
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|
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if (ap)
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firmware = fw->ap_fw;
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else
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firmware = fw->sta_fw;
|
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|
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printk(KERN_DEBUG "%s: Attempting to download firmware %s\n",
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dev->name, firmware);
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/* Read current plug data */
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err = hermes_read_pda(hw, pda, fw->pda_addr, fw->pda_size, 0);
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printk(KERN_DEBUG "%s: Read PDA returned %d\n", dev->name, err);
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if (err)
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goto free;
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if (!priv->cached_fw) {
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err = request_firmware(&fw_entry, firmware, priv->dev);
|
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|
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if (err) {
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printk(KERN_ERR "%s: Cannot find firmware %s\n",
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dev->name, firmware);
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err = -ENOENT;
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goto free;
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}
|
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} else
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fw_entry = priv->cached_fw;
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hdr = (const struct orinoco_fw_header *) fw_entry->data;
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|
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/* Enable aux port to allow programming */
|
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err = hermesi_program_init(hw, le32_to_cpu(hdr->entry_point));
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printk(KERN_DEBUG "%s: Program init returned %d\n", dev->name, err);
|
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if (err != 0)
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goto abort;
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/* Program data */
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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:
|
||||
/* If we requested the firmware, release it. */
|
||||
if (!priv->cached_fw)
|
||||
release_firmware(fw_entry);
|
||||
|
||||
free:
|
||||
kfree(pda);
|
||||
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 = 0;
|
||||
const unsigned char *ptr;
|
||||
const unsigned char *first_block;
|
||||
|
||||
/* Plug Data Area (PDA) */
|
||||
__le16 *pda = NULL;
|
||||
|
||||
/* Binary block begins after the 0x1A marker */
|
||||
ptr = image;
|
||||
while (*ptr++ != TEXT_END);
|
||||
first_block = ptr;
|
||||
|
||||
/* Read the PDA from EEPROM */
|
||||
if (secondary) {
|
||||
pda = kzalloc(fw->pda_size, GFP_KERNEL);
|
||||
if (!pda)
|
||||
return -ENOMEM;
|
||||
|
||||
ret = hermes_read_pda(hw, pda, fw->pda_addr, fw->pda_size, 1);
|
||||
if (ret)
|
||||
goto free;
|
||||
}
|
||||
|
||||
/* Stop the firmware, so that it can be safely rewritten */
|
||||
if (priv->stop_fw) {
|
||||
ret = priv->stop_fw(priv, 1);
|
||||
if (ret)
|
||||
goto free;
|
||||
}
|
||||
|
||||
/* Program the adapter with new firmware */
|
||||
ret = hermes_program(hw, first_block, end);
|
||||
if (ret)
|
||||
goto free;
|
||||
|
||||
/* 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);
|
||||
kfree(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;
|
||||
|
||||
free:
|
||||
kfree(pda);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* 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 (!priv->cached_pri_fw) {
|
||||
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;
|
||||
}
|
||||
} else
|
||||
fw_entry = priv->cached_pri_fw;
|
||||
|
||||
/* Load primary firmware */
|
||||
ret = symbol_dl_image(priv, fw, fw_entry->data,
|
||||
fw_entry->data + fw_entry->size, 0);
|
||||
|
||||
if (!priv->cached_pri_fw)
|
||||
release_firmware(fw_entry);
|
||||
if (ret) {
|
||||
printk(KERN_ERR "%s: Primary firmware download failed\n",
|
||||
dev->name);
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (!priv->cached_fw) {
|
||||
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;
|
||||
}
|
||||
} else
|
||||
fw_entry = priv->cached_fw;
|
||||
|
||||
/* Load secondary firmware */
|
||||
ret = symbol_dl_image(priv, fw, fw_entry->data,
|
||||
fw_entry->data + fw_entry->size, 1);
|
||||
if (!priv->cached_fw)
|
||||
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;
|
||||
}
|
||||
|
||||
#if defined(CONFIG_HERMES_CACHE_FW_ON_INIT) || defined(CONFIG_PM_SLEEP)
|
||||
static void orinoco_cache_fw(struct orinoco_private *priv, int ap)
|
||||
{
|
||||
const struct firmware *fw_entry = NULL;
|
||||
const char *pri_fw;
|
||||
const char *fw;
|
||||
|
||||
pri_fw = orinoco_fw[priv->firmware_type].pri_fw;
|
||||
if (ap)
|
||||
fw = orinoco_fw[priv->firmware_type].ap_fw;
|
||||
else
|
||||
fw = orinoco_fw[priv->firmware_type].sta_fw;
|
||||
|
||||
if (pri_fw) {
|
||||
if (request_firmware(&fw_entry, pri_fw, priv->dev) == 0)
|
||||
priv->cached_pri_fw = fw_entry;
|
||||
}
|
||||
|
||||
if (fw) {
|
||||
if (request_firmware(&fw_entry, fw, priv->dev) == 0)
|
||||
priv->cached_fw = fw_entry;
|
||||
}
|
||||
}
|
||||
|
||||
static void orinoco_uncache_fw(struct orinoco_private *priv)
|
||||
{
|
||||
if (priv->cached_pri_fw)
|
||||
release_firmware(priv->cached_pri_fw);
|
||||
if (priv->cached_fw)
|
||||
release_firmware(priv->cached_fw);
|
||||
|
||||
priv->cached_pri_fw = NULL;
|
||||
priv->cached_fw = NULL;
|
||||
}
|
||||
#else
|
||||
#define orinoco_cache_fw(priv, ap)
|
||||
#define orinoco_uncache_fw(priv)
|
||||
#endif
|
||||
|
||||
/********************************************************************/
|
||||
/* Device methods */
|
||||
/********************************************************************/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user