libertas: [cs] use common firmware request helper and new firmware locations
linux-firmware puts libertas firmware in /libertas. Fix the driver to look there first, but fall back to the old firmware names if the new ones don't exist. Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dan Williams
John W. Linville
parent
72f7a6671e
commit
82222e9ba7
1 changed files with 74 additions and 56 deletions
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@ -49,7 +49,6 @@
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MODULE_AUTHOR("Holger Schurig <hs4233@mail.mn-solutions.de>");
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MODULE_DESCRIPTION("Driver for Marvell 83xx compact flash WLAN cards");
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MODULE_LICENSE("GPL");
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MODULE_FIRMWARE("libertas_cs_helper.fw");
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@ -62,9 +61,34 @@ struct if_cs_card {
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struct lbs_private *priv;
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void __iomem *iobase;
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bool align_regs;
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u32 model;
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};
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enum {
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MODEL_UNKNOWN = 0x00,
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MODEL_8305 = 0x01,
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MODEL_8381 = 0x02,
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MODEL_8385 = 0x03
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};
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static const struct lbs_fw_table fw_table[] = {
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{ MODEL_8305, "libertas/cf8305.bin", NULL },
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{ MODEL_8305, "libertas_cs_helper.fw", NULL },
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{ MODEL_8381, "libertas/cf8381_helper.bin", "libertas/cf8381.bin" },
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{ MODEL_8381, "libertas_cs_helper.fw", "libertas_cs.fw" },
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{ MODEL_8385, "libertas/cf8385_helper.bin", "libertas/cf8385.bin" },
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{ MODEL_8385, "libertas_cs_helper.fw", "libertas_cs.fw" },
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{ 0, NULL, NULL }
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};
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MODULE_FIRMWARE("libertas/cf8305.bin");
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MODULE_FIRMWARE("libertas/cf8381_helper.bin");
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MODULE_FIRMWARE("libertas/cf8381.bin");
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MODULE_FIRMWARE("libertas/cf8385_helper.bin");
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MODULE_FIRMWARE("libertas/cf8385.bin");
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MODULE_FIRMWARE("libertas_cs_helper.fw");
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MODULE_FIRMWARE("libertas_cs.fw");
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/********************************************************************/
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/* Hardware access */
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@ -290,22 +314,19 @@ static int if_cs_poll_while_fw_download(struct if_cs_card *card, uint addr, u8 r
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#define CF8385_MANFID 0x02df
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#define CF8385_CARDID 0x8103
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static inline int if_cs_hw_is_cf8305(struct pcmcia_device *p_dev)
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/* FIXME: just use the 'driver_info' field of 'struct pcmcia_device_id' when
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* that gets fixed. Currently there's no way to access it from the probe hook.
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*/
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static inline u32 get_model(u16 manf_id, u16 card_id)
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{
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return (p_dev->manf_id == CF8305_MANFID &&
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p_dev->card_id == CF8305_CARDID);
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}
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static inline int if_cs_hw_is_cf8381(struct pcmcia_device *p_dev)
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{
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return (p_dev->manf_id == CF8381_MANFID &&
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p_dev->card_id == CF8381_CARDID);
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}
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static inline int if_cs_hw_is_cf8385(struct pcmcia_device *p_dev)
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{
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return (p_dev->manf_id == CF8385_MANFID &&
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p_dev->card_id == CF8385_CARDID);
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/* NOTE: keep in sync with if_cs_ids */
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if (manf_id == CF8305_MANFID && card_id == CF8305_CARDID)
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return MODEL_8305;
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else if (manf_id == CF8381_MANFID && card_id == CF8381_CARDID)
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return MODEL_8381;
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else if (manf_id == CF8385_MANFID && card_id == CF8385_CARDID)
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return MODEL_8385;
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return MODEL_UNKNOWN;
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}
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/********************************************************************/
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@ -559,12 +580,11 @@ static irqreturn_t if_cs_interrupt(int irq, void *data)
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*
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* Return 0 on success
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*/
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static int if_cs_prog_helper(struct if_cs_card *card)
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static int if_cs_prog_helper(struct if_cs_card *card, const struct firmware *fw)
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{
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int ret = 0;
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int sent = 0;
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u8 scratch;
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const struct firmware *fw;
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lbs_deb_enter(LBS_DEB_CS);
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@ -590,14 +610,6 @@ static int if_cs_prog_helper(struct if_cs_card *card)
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goto done;
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}
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/* TODO: make firmware file configurable */
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ret = request_firmware(&fw, "libertas_cs_helper.fw",
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&card->p_dev->dev);
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if (ret) {
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lbs_pr_err("can't load helper firmware\n");
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ret = -ENODEV;
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goto done;
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}
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lbs_deb_cs("helper size %td\n", fw->size);
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/* "Set the 5 bytes of the helper image to 0" */
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@ -636,7 +648,7 @@ static int if_cs_prog_helper(struct if_cs_card *card)
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if (ret < 0) {
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lbs_pr_err("can't download helper at 0x%x, ret %d\n",
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sent, ret);
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goto err_release;
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goto done;
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}
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if (count == 0)
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@ -645,17 +657,14 @@ static int if_cs_prog_helper(struct if_cs_card *card)
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sent += count;
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}
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err_release:
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release_firmware(fw);
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done:
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lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
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return ret;
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}
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static int if_cs_prog_real(struct if_cs_card *card)
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static int if_cs_prog_real(struct if_cs_card *card, const struct firmware *fw)
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{
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const struct firmware *fw;
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int ret = 0;
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int retry = 0;
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int len = 0;
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@ -663,21 +672,13 @@ static int if_cs_prog_real(struct if_cs_card *card)
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lbs_deb_enter(LBS_DEB_CS);
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/* TODO: make firmware file configurable */
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ret = request_firmware(&fw, "libertas_cs.fw",
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&card->p_dev->dev);
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if (ret) {
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lbs_pr_err("can't load firmware\n");
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ret = -ENODEV;
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goto done;
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}
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lbs_deb_cs("fw size %td\n", fw->size);
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ret = if_cs_poll_while_fw_download(card, IF_CS_SQ_READ_LOW,
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IF_CS_SQ_HELPER_OK);
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if (ret < 0) {
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lbs_pr_err("helper firmware doesn't answer\n");
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goto err_release;
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goto done;
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}
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for (sent = 0; sent < fw->size; sent += len) {
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@ -692,7 +693,7 @@ static int if_cs_prog_real(struct if_cs_card *card)
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if (retry > 20) {
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lbs_pr_err("could not download firmware\n");
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ret = -ENODEV;
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goto err_release;
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goto done;
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}
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if (retry) {
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sent -= len;
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@ -711,7 +712,7 @@ static int if_cs_prog_real(struct if_cs_card *card)
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IF_CS_BIT_COMMAND);
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if (ret < 0) {
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lbs_pr_err("can't download firmware at 0x%x\n", sent);
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goto err_release;
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goto done;
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}
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}
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@ -719,9 +720,6 @@ static int if_cs_prog_real(struct if_cs_card *card)
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if (ret < 0)
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lbs_pr_err("firmware download failed\n");
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err_release:
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release_firmware(fw);
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done:
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lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
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return ret;
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@ -825,6 +823,8 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
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unsigned int prod_id;
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struct lbs_private *priv;
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struct if_cs_card *card;
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const struct firmware *helper = NULL;
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const struct firmware *mainfw = NULL;
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lbs_deb_enter(LBS_DEB_CS);
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@ -844,7 +844,6 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
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goto out1;
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}
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/*
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* Allocate an interrupt line. Note that this does not assign
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* a handler to the interrupt, unless the 'Handler' member of
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@ -883,34 +882,47 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
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*/
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card->align_regs = 0;
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card->model = get_model(p_dev->manf_id, p_dev->card_id);
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if (card->model == MODEL_UNKNOWN) {
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lbs_pr_err("unsupported manf_id 0x%04x / card_id 0x%04x\n",
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p_dev->manf_id, p_dev->card_id);
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goto out2;
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}
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/* Check if we have a current silicon */
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prod_id = if_cs_read8(card, IF_CS_PRODUCT_ID);
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if (if_cs_hw_is_cf8305(p_dev)) {
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if (card->model == MODEL_8305) {
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card->align_regs = 1;
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if (prod_id < IF_CS_CF8305_B1_REV) {
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lbs_pr_err("old chips like 8305 rev B3 "
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"aren't supported\n");
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lbs_pr_err("8305 rev B0 and older are not supported\n");
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ret = -ENODEV;
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goto out2;
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}
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}
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if (if_cs_hw_is_cf8381(p_dev) && prod_id < IF_CS_CF8381_B3_REV) {
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lbs_pr_err("old chips like 8381 rev B3 aren't supported\n");
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if ((card->model == MODEL_8381) && prod_id < IF_CS_CF8381_B3_REV) {
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lbs_pr_err("8381 rev B2 and older are not supported\n");
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ret = -ENODEV;
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goto out2;
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}
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if (if_cs_hw_is_cf8385(p_dev) && prod_id < IF_CS_CF8385_B1_REV) {
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lbs_pr_err("old chips like 8385 rev B1 aren't supported\n");
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if ((card->model == MODEL_8385) && prod_id < IF_CS_CF8385_B1_REV) {
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lbs_pr_err("8385 rev B0 and older are not supported\n");
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ret = -ENODEV;
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goto out2;
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}
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ret = lbs_get_firmware(&p_dev->dev, NULL, NULL, card->model,
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&fw_table[0], &helper, &mainfw);
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if (ret) {
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lbs_pr_err("failed to find firmware (%d)\n", ret);
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goto out2;
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}
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/* Load the firmware early, before calling into libertas.ko */
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ret = if_cs_prog_helper(card);
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if (ret == 0 && !if_cs_hw_is_cf8305(p_dev))
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ret = if_cs_prog_real(card);
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ret = if_cs_prog_helper(card, helper);
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if (ret == 0 && (card->model != MODEL_8305))
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ret = if_cs_prog_real(card, mainfw);
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if (ret)
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goto out2;
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@ -959,6 +971,11 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
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out1:
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pcmcia_disable_device(p_dev);
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out:
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if (helper)
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release_firmware(helper);
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if (mainfw)
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release_firmware(mainfw);
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lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
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return ret;
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}
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@ -995,6 +1012,7 @@ static struct pcmcia_device_id if_cs_ids[] = {
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PCMCIA_DEVICE_MANF_CARD(CF8305_MANFID, CF8305_CARDID),
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PCMCIA_DEVICE_MANF_CARD(CF8381_MANFID, CF8381_CARDID),
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PCMCIA_DEVICE_MANF_CARD(CF8385_MANFID, CF8385_CARDID),
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/* NOTE: keep in sync with get_model() */
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PCMCIA_DEVICE_NULL,
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};
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MODULE_DEVICE_TABLE(pcmcia, if_cs_ids);
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