diff options
author | Pierre Ossman <drzeus@drzeus.cx> | 2008-12-31 19:56:05 +0100 |
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committer | Pierre Ossman <drzeus@drzeus.cx> | 2008-12-31 19:56:05 +0100 |
commit | 418f19ea17a99421b22a64e101e14b6a16bed66d (patch) | |
tree | 7c21fcc368c63f1f9907deac6d16b30bd371792d /drivers/net/wireless/orinoco/hermes_dld.c | |
parent | 98444d3dd975653a4a970ecc0dfc30918da92f60 (diff) | |
parent | f6e10b865c3ea56bdaa8c6ecfee313b997900dbb (diff) |
Merge branch 'master' of ../mmc
Diffstat (limited to 'drivers/net/wireless/orinoco/hermes_dld.c')
-rw-r--r-- | drivers/net/wireless/orinoco/hermes_dld.c | 730 |
1 files changed, 730 insertions, 0 deletions
diff --git a/drivers/net/wireless/orinoco/hermes_dld.c b/drivers/net/wireless/orinoco/hermes_dld.c new file mode 100644 index 00000000000..d8c626e61a3 --- /dev/null +++ b/drivers/net/wireless/orinoco/hermes_dld.c @@ -0,0 +1,730 @@ +/* + * Hermes download helper driver. + * + * This could be entirely merged into hermes.c. + * + * I'm keeping it separate to minimise the amount of merging between + * kernel upgrades. It also means the memory overhead for drivers that + * don't need firmware download low. + * + * This driver: + * - is capable of writing to the volatile area of the hermes device + * - is currently not capable of writing to non-volatile areas + * - provide helpers to identify and update plugin data + * - is not capable of interpreting a fw image directly. That is up to + * the main card driver. + * - deals with Hermes I devices. It can probably be modified to deal + * with Hermes II devices + * + * Copyright (C) 2007, David Kilroy + * + * Plug data code slightly modified from spectrum_cs driver + * Copyright (C) 2002-2005 Pavel Roskin <proski@gnu.org> + * Portions based on information in wl_lkm_718 Agere driver + * COPYRIGHT (C) 2001-2004 by Agere Systems Inc. All Rights Reserved + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License + * at http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and + * limitations under the License. + * + * Alternatively, the contents of this file may be used under the + * terms of the GNU General Public License version 2 (the "GPL"), in + * which case the provisions of the GPL are applicable instead of the + * above. If you wish to allow the use of your version of this file + * only under the terms of the GPL and not to allow others to use your + * version of this file under the MPL, indicate your decision by + * deleting the provisions above and replace them with the notice and + * other provisions required by the GPL. If you do not delete the + * provisions above, a recipient may use your version of this file + * under either the MPL or the GPL. + */ + +#include <linux/module.h> +#include <linux/delay.h> +#include "hermes.h" +#include "hermes_dld.h" + +MODULE_DESCRIPTION("Download helper for Lucent Hermes chipset"); +MODULE_AUTHOR("David Kilroy <kilroyd@gmail.com>"); +MODULE_LICENSE("Dual MPL/GPL"); + +#define PFX "hermes_dld: " + +/* + * AUX port access. To unlock the AUX port write the access keys to the + * PARAM0-2 registers, then write HERMES_AUX_ENABLE to the HERMES_CONTROL + * register. Then read it and make sure it's HERMES_AUX_ENABLED. + */ +#define HERMES_AUX_ENABLE 0x8000 /* Enable auxiliary port access */ +#define HERMES_AUX_DISABLE 0x4000 /* Disable to auxiliary port access */ +#define HERMES_AUX_ENABLED 0xC000 /* Auxiliary port is open */ +#define HERMES_AUX_DISABLED 0x0000 /* Auxiliary port is closed */ + +#define HERMES_AUX_PW0 0xFE01 +#define HERMES_AUX_PW1 0xDC23 +#define HERMES_AUX_PW2 0xBA45 + +/* HERMES_CMD_DOWNLD */ +#define HERMES_PROGRAM_DISABLE (0x0000 | HERMES_CMD_DOWNLD) +#define HERMES_PROGRAM_ENABLE_VOLATILE (0x0100 | HERMES_CMD_DOWNLD) +#define HERMES_PROGRAM_ENABLE_NON_VOLATILE (0x0200 | HERMES_CMD_DOWNLD) +#define HERMES_PROGRAM_NON_VOLATILE (0x0300 | HERMES_CMD_DOWNLD) + +/* End markers used in dblocks */ +#define PDI_END 0x00000000 /* End of PDA */ +#define BLOCK_END 0xFFFFFFFF /* Last image block */ +#define TEXT_END 0x1A /* End of text header */ + +/* + * PDA == Production Data Area + * + * In principle, the max. size of the PDA is is 4096 words. Currently, + * however, only about 500 bytes of this area are used. + * + * Some USB implementations can't handle sizes in excess of 1016. Note + * that PDA is not actually used in those USB environments, but may be + * retrieved by common code. + */ +#define MAX_PDA_SIZE 1000 + +/* Limit the amout we try to download in a single shot. + * Size is in bytes. + */ +#define MAX_DL_SIZE 1024 +#define LIMIT_PROGRAM_SIZE 0 + +/* + * The following structures have little-endian fields denoted by + * the leading underscore. Don't access them directly - use inline + * functions defined below. + */ + +/* + * The binary image to be downloaded consists of series of data blocks. + * Each block has the following structure. + */ +struct dblock { + __le32 addr; /* adapter address where to write the block */ + __le16 len; /* length of the data only, in bytes */ + char data[0]; /* data to be written */ +} __attribute__ ((packed)); + +/* + * Plug Data References are located in in the image after the last data + * block. They refer to areas in the adapter memory where the plug data + * items with matching ID should be written. + */ +struct pdr { + __le32 id; /* record ID */ + __le32 addr; /* adapter address where to write the data */ + __le32 len; /* expected length of the data, in bytes */ + char next[0]; /* next PDR starts here */ +} __attribute__ ((packed)); + +/* + * Plug Data Items are located in the EEPROM read from the adapter by + * primary firmware. They refer to the device-specific data that should + * be plugged into the secondary firmware. + */ +struct pdi { + __le16 len; /* length of ID and data, in words */ + __le16 id; /* record ID */ + char data[0]; /* plug data */ +} __attribute__ ((packed)); + +/*** FW data block access functions ***/ + +static inline u32 +dblock_addr(const struct dblock *blk) +{ + return le32_to_cpu(blk->addr); +} + +static inline u32 +dblock_len(const struct dblock *blk) +{ + return le16_to_cpu(blk->len); +} + +/*** PDR Access functions ***/ + +static inline u32 +pdr_id(const struct pdr *pdr) +{ + return le32_to_cpu(pdr->id); +} + +static inline u32 +pdr_addr(const struct pdr *pdr) +{ + return le32_to_cpu(pdr->addr); +} + +static inline u32 +pdr_len(const struct pdr *pdr) +{ + return le32_to_cpu(pdr->len); +} + +/*** PDI Access functions ***/ + +static inline u32 +pdi_id(const struct pdi *pdi) +{ + return le16_to_cpu(pdi->id); +} + +/* Return length of the data only, in bytes */ +static inline u32 +pdi_len(const struct pdi *pdi) +{ + return 2 * (le16_to_cpu(pdi->len) - 1); +} + +/*** Hermes AUX control ***/ + +static inline void +hermes_aux_setaddr(hermes_t *hw, u32 addr) +{ + hermes_write_reg(hw, HERMES_AUXPAGE, (u16) (addr >> 7)); + hermes_write_reg(hw, HERMES_AUXOFFSET, (u16) (addr & 0x7F)); +} + +static inline int +hermes_aux_control(hermes_t *hw, int enabled) +{ + int desired_state = enabled ? HERMES_AUX_ENABLED : HERMES_AUX_DISABLED; + int action = enabled ? HERMES_AUX_ENABLE : HERMES_AUX_DISABLE; + int i; + + /* Already open? */ + if (hermes_read_reg(hw, HERMES_CONTROL) == desired_state) + return 0; + + hermes_write_reg(hw, HERMES_PARAM0, HERMES_AUX_PW0); + hermes_write_reg(hw, HERMES_PARAM1, HERMES_AUX_PW1); + hermes_write_reg(hw, HERMES_PARAM2, HERMES_AUX_PW2); + hermes_write_reg(hw, HERMES_CONTROL, action); + + for (i = 0; i < 20; i++) { + udelay(10); + if (hermes_read_reg(hw, HERMES_CONTROL) == + desired_state) + return 0; + } + + return -EBUSY; +} + +/*** Plug Data Functions ***/ + +/* + * Scan PDR for the record with the specified RECORD_ID. + * If it's not found, return NULL. + */ +static struct pdr * +hermes_find_pdr(struct pdr *first_pdr, u32 record_id) +{ + struct pdr *pdr = first_pdr; + void *end = (void *)first_pdr + MAX_PDA_SIZE; + + while (((void *)pdr < end) && + (pdr_id(pdr) != PDI_END)) { + /* + * PDR area is currently not terminated by PDI_END. + * It's followed by CRC records, which have the type + * field where PDR has length. The type can be 0 or 1. + */ + if (pdr_len(pdr) < 2) + return NULL; + + /* If the record ID matches, we are done */ + if (pdr_id(pdr) == record_id) + return pdr; + + pdr = (struct pdr *) pdr->next; + } + return NULL; +} + +/* Scan production data items for a particular entry */ +static struct pdi * +hermes_find_pdi(struct pdi *first_pdi, u32 record_id) +{ + struct pdi *pdi = first_pdi; + + while (pdi_id(pdi) != PDI_END) { + + /* If the record ID matches, we are done */ + if (pdi_id(pdi) == record_id) + return pdi; + + pdi = (struct pdi *) &pdi->data[pdi_len(pdi)]; + } + return NULL; +} + +/* Process one Plug Data Item - find corresponding PDR and plug it */ +static int +hermes_plug_pdi(hermes_t *hw, struct pdr *first_pdr, const struct pdi *pdi) +{ + struct pdr *pdr; + + /* Find the PDR corresponding to this PDI */ + pdr = hermes_find_pdr(first_pdr, pdi_id(pdi)); + + /* No match is found, safe to ignore */ + if (!pdr) + return 0; + + /* Lengths of the data in PDI and PDR must match */ + if (pdi_len(pdi) != pdr_len(pdr)) + return -EINVAL; + + /* do the actual plugging */ + hermes_aux_setaddr(hw, pdr_addr(pdr)); + hermes_write_bytes(hw, HERMES_AUXDATA, pdi->data, pdi_len(pdi)); + + return 0; +} + +/* Read PDA from the adapter */ +int hermes_read_pda(hermes_t *hw, + __le16 *pda, + u32 pda_addr, + u16 pda_len, + int use_eeprom) /* can we get this into hw? */ +{ + int ret; + u16 pda_size; + u16 data_len = pda_len; + __le16 *data = pda; + + if (use_eeprom) { + /* PDA of spectrum symbol is in eeprom */ + + /* Issue command to read EEPROM */ + ret = hermes_docmd_wait(hw, HERMES_CMD_READMIF, 0, NULL); + if (ret) + return ret; + } else { + /* wl_lkm does not include PDA size in the PDA area. + * We will pad the information into pda, so other routines + * don't have to be modified */ + pda[0] = cpu_to_le16(pda_len - 2); + /* Includes CFG_PROD_DATA but not itself */ + pda[1] = cpu_to_le16(0x0800); /* CFG_PROD_DATA */ + data_len = pda_len - 4; + data = pda + 2; + } + + /* Open auxiliary port */ + ret = hermes_aux_control(hw, 1); + printk(KERN_DEBUG PFX "AUX enable returned %d\n", ret); + if (ret) + return ret; + + /* read PDA from EEPROM */ + hermes_aux_setaddr(hw, pda_addr); + hermes_read_words(hw, HERMES_AUXDATA, data, data_len / 2); + + /* Close aux port */ + ret = hermes_aux_control(hw, 0); + printk(KERN_DEBUG PFX "AUX disable returned %d\n", ret); + + /* Check PDA length */ + pda_size = le16_to_cpu(pda[0]); + printk(KERN_DEBUG PFX "Actual PDA length %d, Max allowed %d\n", + pda_size, pda_len); + if (pda_size > pda_len) + return -EINVAL; + + return 0; +} +EXPORT_SYMBOL(hermes_read_pda); + +/* Parse PDA and write the records into the adapter + * + * Attempt to write every records that is in the specified pda + * which also has a valid production data record for the firmware. + */ +int hermes_apply_pda(hermes_t *hw, + const char *first_pdr, + const __le16 *pda) +{ + int ret; + const struct pdi *pdi; + struct pdr *pdr; + + pdr = (struct pdr *) first_pdr; + + /* Go through every PDI and plug them into the adapter */ + pdi = (const struct pdi *) (pda + 2); + while (pdi_id(pdi) != PDI_END) { + ret = hermes_plug_pdi(hw, pdr, pdi); + if (ret) + return ret; + + /* Increment to the next PDI */ + pdi = (const struct pdi *) &pdi->data[pdi_len(pdi)]; + } + return 0; +} +EXPORT_SYMBOL(hermes_apply_pda); + +/* Identify the total number of bytes in all blocks + * including the header data. + */ +size_t +hermes_blocks_length(const char *first_block) +{ + const struct dblock *blk = (const struct dblock *) first_block; + int total_len = 0; + int len; + + /* Skip all blocks to locate Plug Data References + * (Spectrum CS) */ + while (dblock_addr(blk) != BLOCK_END) { + len = dblock_len(blk); + total_len += sizeof(*blk) + len; + blk = (struct dblock *) &blk->data[len]; + } + + return total_len; +} +EXPORT_SYMBOL(hermes_blocks_length); + +/*** Hermes programming ***/ + +/* About to start programming data (Hermes I) + * offset is the entry point + * + * Spectrum_cs' Symbol fw does not require this + * wl_lkm Agere fw does + * Don't know about intersil + */ +int hermesi_program_init(hermes_t *hw, u32 offset) +{ + int err; + + /* Disable interrupts?*/ + /*hw->inten = 0x0;*/ + /*hermes_write_regn(hw, INTEN, 0);*/ + /*hermes_set_irqmask(hw, 0);*/ + + /* Acknowledge any outstanding command */ + hermes_write_regn(hw, EVACK, 0xFFFF); + + /* Using doicmd_wait rather than docmd_wait */ + err = hermes_doicmd_wait(hw, + 0x0100 | HERMES_CMD_INIT, + 0, 0, 0, NULL); + if (err) + return err; + + err = hermes_doicmd_wait(hw, + 0x0000 | HERMES_CMD_INIT, + 0, 0, 0, NULL); + if (err) + return err; + + err = hermes_aux_control(hw, 1); + printk(KERN_DEBUG PFX "AUX enable returned %d\n", err); + + if (err) + return err; + + printk(KERN_DEBUG PFX "Enabling volatile, EP 0x%08x\n", offset); + err = hermes_doicmd_wait(hw, + HERMES_PROGRAM_ENABLE_VOLATILE, + offset & 0xFFFFu, + offset >> 16, + 0, + NULL); + printk(KERN_DEBUG PFX "PROGRAM_ENABLE returned %d\n", + err); + + return err; +} +EXPORT_SYMBOL(hermesi_program_init); + +/* Done programming data (Hermes I) + * + * Spectrum_cs' Symbol fw does not require this + * wl_lkm Agere fw does + * Don't know about intersil + */ +int hermesi_program_end(hermes_t *hw) +{ + struct hermes_response resp; + int rc = 0; + int err; + + rc = hermes_docmd_wait(hw, HERMES_PROGRAM_DISABLE, 0, &resp); + + printk(KERN_DEBUG PFX "PROGRAM_DISABLE returned %d, " + "r0 0x%04x, r1 0x%04x, r2 0x%04x\n", + rc, resp.resp0, resp.resp1, resp.resp2); + + if ((rc == 0) && + ((resp.status & HERMES_STATUS_CMDCODE) != HERMES_CMD_DOWNLD)) + rc = -EIO; + + err = hermes_aux_control(hw, 0); + printk(KERN_DEBUG PFX "AUX disable returned %d\n", err); + + /* Acknowledge any outstanding command */ + hermes_write_regn(hw, EVACK, 0xFFFF); + + /* Reinitialise, ignoring return */ + (void) hermes_doicmd_wait(hw, 0x0000 | HERMES_CMD_INIT, + 0, 0, 0, NULL); + + return rc ? rc : err; +} +EXPORT_SYMBOL(hermesi_program_end); + +/* Program the data blocks */ +int hermes_program(hermes_t *hw, const char *first_block, const char *end) +{ + const struct dblock *blk; + u32 blkaddr; + u32 blklen; +#if LIMIT_PROGRAM_SIZE + u32 addr; + u32 len; +#endif + + blk = (const struct dblock *) first_block; + + if ((const char *) blk > (end - sizeof(*blk))) + return -EIO; + + blkaddr = dblock_addr(blk); + blklen = dblock_len(blk); + + while ((blkaddr != BLOCK_END) && + (((const char *) blk + blklen) <= end)) { + printk(KERN_DEBUG PFX + "Programming block of length %d to address 0x%08x\n", + blklen, blkaddr); + +#if !LIMIT_PROGRAM_SIZE + /* wl_lkm driver splits this into writes of 2000 bytes */ + hermes_aux_setaddr(hw, blkaddr); + hermes_write_bytes(hw, HERMES_AUXDATA, blk->data, + blklen); +#else + len = (blklen < MAX_DL_SIZE) ? blklen : MAX_DL_SIZE; + addr = blkaddr; + + while (addr < (blkaddr + blklen)) { + printk(KERN_DEBUG PFX + "Programming subblock of length %d " + "to address 0x%08x. Data @ %p\n", + len, addr, &blk->data[addr - blkaddr]); + + hermes_aux_setaddr(hw, addr); + hermes_write_bytes(hw, HERMES_AUXDATA, + &blk->data[addr - blkaddr], + len); + + addr += len; + len = ((blkaddr + blklen - addr) < MAX_DL_SIZE) ? + (blkaddr + blklen - addr) : MAX_DL_SIZE; + } +#endif + blk = (const struct dblock *) &blk->data[blklen]; + + if ((const char *) blk > (end - sizeof(*blk))) + return -EIO; + + blkaddr = dblock_addr(blk); + blklen = dblock_len(blk); + } + return 0; +} +EXPORT_SYMBOL(hermes_program); + +static int __init init_hermes_dld(void) +{ + return 0; +} + +static void __exit exit_hermes_dld(void) +{ +} + +module_init(init_hermes_dld); +module_exit(exit_hermes_dld); + +/*** Default plugging data for Hermes I ***/ +/* Values from wl_lkm_718/hcf/dhf.c */ + +#define DEFINE_DEFAULT_PDR(pid, length, data) \ +static const struct { \ + __le16 len; \ + __le16 id; \ + u8 val[length]; \ +} __attribute__ ((packed)) default_pdr_data_##pid = { \ + __constant_cpu_to_le16((sizeof(default_pdr_data_##pid)/ \ + sizeof(__le16)) - 1), \ + __constant_cpu_to_le16(pid), \ + data \ +} + +#define DEFAULT_PDR(pid) default_pdr_data_##pid + +/* HWIF Compatiblity */ +DEFINE_DEFAULT_PDR(0x0005, 10, "\x00\x00\x06\x00\x01\x00\x01\x00\x01\x00"); + +/* PPPPSign */ +DEFINE_DEFAULT_PDR(0x0108, 4, "\x00\x00\x00\x00"); + +/* PPPPProf */ +DEFINE_DEFAULT_PDR(0x0109, 10, "\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00"); + +/* Antenna diversity */ +DEFINE_DEFAULT_PDR(0x0150, 2, "\x00\x3F"); + +/* Modem VCO band Set-up */ +DEFINE_DEFAULT_PDR(0x0160, 28, + "\x00\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00\x00\x00\x00\x00" + "\x00\x00\x00\x00"); + +/* Modem Rx Gain Table Values */ +DEFINE_DEFAULT_PDR(0x0161, 256, + "\x3F\x01\x3F\01\x3F\x01\x3F\x01" + "\x3F\x01\x3F\01\x3F\x01\x3F\x01" + "\x3F\x01\x3F\01\x3F\x01\x3F\x01" + "\x3F\x01\x3F\01\x3F\x01\x3F\x01" + "\x3F\x01\x3E\01\x3E\x01\x3D\x01" + "\x3D\x01\x3C\01\x3C\x01\x3B\x01" + "\x3B\x01\x3A\01\x3A\x01\x39\x01" + "\x39\x01\x38\01\x38\x01\x37\x01" + "\x37\x01\x36\01\x36\x01\x35\x01" + "\x35\x01\x34\01\x34\x01\x33\x01" + "\x33\x01\x32\x01\x32\x01\x31\x01" + "\x31\x01\x30\x01\x30\x01\x7B\x01" + "\x7B\x01\x7A\x01\x7A\x01\x79\x01" + "\x79\x01\x78\x01\x78\x01\x77\x01" + "\x77\x01\x76\x01\x76\x01\x75\x01" + "\x75\x01\x74\x01\x74\x01\x73\x01" + "\x73\x01\x72\x01\x72\x01\x71\x01" + "\x71\x01\x70\x01\x70\x01\x68\x01" + "\x68\x01\x67\x01\x67\x01\x66\x01" + "\x66\x01\x65\x01\x65\x01\x57\x01" + "\x57\x01\x56\x01\x56\x01\x55\x01" + "\x55\x01\x54\x01\x54\x01\x53\x01" + "\x53\x01\x52\x01\x52\x01\x51\x01" + "\x51\x01\x50\x01\x50\x01\x48\x01" + "\x48\x01\x47\x01\x47\x01\x46\x01" + "\x46\x01\x45\x01\x45\x01\x44\x01" + "\x44\x01\x43\x01\x43\x01\x42\x01" + "\x42\x01\x41\x01\x41\x01\x40\x01" + "\x40\x01\x40\x01\x40\x01\x40\x01" + "\x40\x01\x40\x01\x40\x01\x40\x01" + "\x40\x01\x40\x01\x40\x01\x40\x01" + "\x40\x01\x40\x01\x40\x01\x40\x01"); + +/* Write PDA according to certain rules. + * + * For every production data record, look for a previous setting in + * the pda, and use that. + * + * For certain records, use defaults if they are not found in pda. + */ +int hermes_apply_pda_with_defaults(hermes_t *hw, + const char *first_pdr, + const __le16 *pda) +{ + const struct pdr *pdr = (const struct pdr *) first_pdr; + struct pdi *first_pdi = (struct pdi *) &pda[2]; + struct pdi *pdi; + struct pdi *default_pdi = NULL; + struct pdi *outdoor_pdi; + void *end = (void *)first_pdr + MAX_PDA_SIZE; + int record_id; + + while (((void *)pdr < end) && + (pdr_id(pdr) != PDI_END)) { + /* + * For spectrum_cs firmwares, + * PDR area is currently not terminated by PDI_END. + * It's followed by CRC records, which have the type + * field where PDR has length. The type can be 0 or 1. + */ + if (pdr_len(pdr) < 2) + break; + record_id = pdr_id(pdr); + + pdi = hermes_find_pdi(first_pdi, record_id); + if (pdi) + printk(KERN_DEBUG PFX "Found record 0x%04x at %p\n", + record_id, pdi); + + switch (record_id) { + case 0x110: /* Modem REFDAC values */ + case 0x120: /* Modem VGDAC values */ + outdoor_pdi = hermes_find_pdi(first_pdi, record_id + 1); + default_pdi = NULL; + if (outdoor_pdi) { + pdi = outdoor_pdi; + printk(KERN_DEBUG PFX + "Using outdoor record 0x%04x at %p\n", + record_id + 1, pdi); + } + break; + case 0x5: /* HWIF Compatiblity */ + default_pdi = (struct pdi *) &DEFAULT_PDR(0x0005); + break; + case 0x108: /* PPPPSign */ + default_pdi = (struct pdi *) &DEFAULT_PDR(0x0108); + break; + case 0x109: /* PPPPProf */ + default_pdi = (struct pdi *) &DEFAULT_PDR(0x0109); + break; + case 0x150: /* Antenna diversity */ + default_pdi = (struct pdi *) &DEFAULT_PDR(0x0150); + break; + case 0x160: /* Modem VCO band Set-up */ + default_pdi = (struct pdi *) &DEFAULT_PDR(0x0160); + break; + case 0x161: /* Modem Rx Gain Table Values */ + default_pdi = (struct pdi *) &DEFAULT_PDR(0x0161); + break; + default: + default_pdi = NULL; + break; + } + if (!pdi && default_pdi) { + /* Use default */ + pdi = default_pdi; + printk(KERN_DEBUG PFX + "Using default record 0x%04x at %p\n", + record_id, pdi); + } + + if (pdi) { + /* Lengths of the data in PDI and PDR must match */ + if (pdi_len(pdi) == pdr_len(pdr)) { + /* do the actual plugging */ + hermes_aux_setaddr(hw, pdr_addr(pdr)); + hermes_write_bytes(hw, HERMES_AUXDATA, + pdi->data, pdi_len(pdi)); + } + } + + pdr++; + } + return 0; +} +EXPORT_SYMBOL(hermes_apply_pda_with_defaults); |