/* zd_rf_al7230b.c: Functions for the AL7230B RF controller * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include "zd_rf.h" #include "zd_usb.h" #include "zd_chip.h" static const u32 chan_rv[][2] = { RF_CHANNEL( 1) = { 0x09ec00, 0x8cccc8 }, RF_CHANNEL( 2) = { 0x09ec00, 0x8cccd8 }, RF_CHANNEL( 3) = { 0x09ec00, 0x8cccc0 }, RF_CHANNEL( 4) = { 0x09ec00, 0x8cccd0 }, RF_CHANNEL( 5) = { 0x05ec00, 0x8cccc8 }, RF_CHANNEL( 6) = { 0x05ec00, 0x8cccd8 }, RF_CHANNEL( 7) = { 0x05ec00, 0x8cccc0 }, RF_CHANNEL( 8) = { 0x05ec00, 0x8cccd0 }, RF_CHANNEL( 9) = { 0x0dec00, 0x8cccc8 }, RF_CHANNEL(10) = { 0x0dec00, 0x8cccd8 }, RF_CHANNEL(11) = { 0x0dec00, 0x8cccc0 }, RF_CHANNEL(12) = { 0x0dec00, 0x8cccd0 }, RF_CHANNEL(13) = { 0x03ec00, 0x8cccc8 }, RF_CHANNEL(14) = { 0x03ec00, 0x866660 }, }; static const u32 std_rv[] = { 0x4ff821, 0xc5fbfc, 0x21ebfe, 0xafd401, /* freq shift 0xaad401 */ 0x6cf56a, 0xe04073, 0x193d76, 0x9dd844, 0x500007, 0xd8c010, }; static int al7230b_init_hw(struct zd_rf *rf) { int i, r; struct zd_chip *chip = zd_rf_to_chip(rf); /* All of these writes are identical to AL2230 unless otherwise * specified */ static const struct zd_ioreq16 ioreqs_1[] = { /* This one is 7230-specific, and happens before the rest */ { CR240, 0x57 }, { }, { CR15, 0x20 }, { CR23, 0x40 }, { CR24, 0x20 }, { CR26, 0x11 }, { CR28, 0x3e }, { CR29, 0x00 }, { CR44, 0x33 }, /* This value is different for 7230 (was: 0x2a) */ { CR106, 0x22 }, { CR107, 0x1a }, { CR109, 0x09 }, { CR110, 0x27 }, { CR111, 0x2b }, { CR112, 0x2b }, { CR119, 0x0a }, /* This happened further down in AL2230, * and the value changed (was: 0xe0) */ { CR122, 0xfc }, { CR10, 0x89 }, /* for newest (3rd cut) AL2300 */ { CR17, 0x28 }, { CR26, 0x93 }, { CR34, 0x30 }, /* for newest (3rd cut) AL2300 */ { CR35, 0x3e }, { CR41, 0x24 }, { CR44, 0x32 }, /* for newest (3rd cut) AL2300 */ { CR46, 0x96 }, { CR47, 0x1e }, { CR79, 0x58 }, { CR80, 0x30 }, { CR81, 0x30 }, { CR87, 0x0a }, { CR89, 0x04 }, { CR92, 0x0a }, { CR99, 0x28 }, /* This value is different for 7230 (was: 0x00) */ { CR100, 0x02 }, { CR101, 0x13 }, { CR102, 0x27 }, /* This value is different for 7230 (was: 0x24) */ { CR106, 0x22 }, /* This value is different for 7230 (was: 0x2a) */ { CR107, 0x3f }, { CR109, 0x09 }, /* This value is different for 7230 (was: 0x13) */ { CR110, 0x1f }, { CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 }, { CR114, 0x27 }, /* for newest (3rd cut) AL2300 */ { CR115, 0x24 }, /* This value is different for 7230 (was: 0x24) */ { CR116, 0x3f }, /* This value is different for 7230 (was: 0xf4) */ { CR117, 0xfa }, { CR118, 0xfc }, { CR119, 0x10 }, { CR120, 0x4f }, { CR121, 0x77 }, { CR137, 0x88 }, /* This one is 7230-specific */ { CR138, 0xa8 }, /* This value is different for 7230 (was: 0xff) */ { CR252, 0x34 }, /* This value is different for 7230 (was: 0xff) */ { CR253, 0x34 }, /* PLL_OFF */ { CR251, 0x2f }, }; static const struct zd_ioreq16 ioreqs_2[] = { /* PLL_ON */ { CR251, 0x3f }, { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 }, { CR38, 0x38 }, { CR136, 0xdf }, }; r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1)); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0x09ec04); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0x8cccc8); if (r) return r; for (i = 0; i < ARRAY_SIZE(std_rv); i++) { r = zd_rfwrite_cr_locked(chip, std_rv[i]); if (r) return r; } r = zd_rfwrite_cr_locked(chip, 0x3c9000); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0xbfffff); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0x700000); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0xf15d58); if (r) return r; r = zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2)); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0xf15d59); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0xf15d5c); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0xf15d58); if (r) return r; r = zd_iowrite16_locked(chip, 0x06, CR203); if (r) return r; r = zd_iowrite16_locked(chip, 0x80, CR240); if (r) return r; return 0; } static int al7230b_set_channel(struct zd_rf *rf, u8 channel) { int i, r; const u32 *rv = chan_rv[channel-1]; struct zd_chip *chip = zd_rf_to_chip(rf); static const struct zd_ioreq16 ioreqs_1[] = { { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 }, { CR38, 0x38 }, { CR136, 0xdf }, }; static const struct zd_ioreq16 ioreqs_2[] = { /* PLL_ON */ { CR251, 0x3f }, { CR203, 0x06 }, { CR240, 0x08 }, }; r = zd_iowrite16_locked(chip, 0x57, CR240); if (r) return r; /* PLL_OFF */ r = zd_iowrite16_locked(chip, 0x2f, CR251); if (r) return r; for (i = 0; i < ARRAY_SIZE(std_rv); i++) { r = zd_rfwrite_cr_locked(chip, std_rv[i]); if (r) return r; } r = zd_rfwrite_cr_locked(chip, 0x3c9000); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0xf15d58); if (r) return r; r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1)); if (r) return r; for (i = 0; i < 2; i++) { r = zd_rfwrite_cr_locked(chip, rv[i]); if (r) return r; } r = zd_rfwrite_cr_locked(chip, 0x3c9000); if (r) return r; return zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2)); } static int al7230b_switch_radio_on(struct zd_rf *rf) { struct zd_chip *chip = zd_rf_to_chip(rf); static const struct zd_ioreq16 ioreqs[] = { { CR11, 0x00 }, { CR251, 0x3f }, }; return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); } static int al7230b_switch_radio_off(struct zd_rf *rf) { struct zd_chip *chip = zd_rf_to_chip(rf); static const struct zd_ioreq16 ioreqs[] = { { CR11, 0x04 }, { CR251, 0x2f }, }; return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); } int zd_rf_init_al7230b(struct zd_rf *rf) { struct zd_chip *chip = zd_rf_to_chip(rf); if (chip->is_zd1211b) { dev_err(zd_chip_dev(chip), "AL7230B is currently not " "supported for ZD1211B devices\n"); return -ENODEV; } rf->init_hw = al7230b_init_hw; rf->set_channel = al7230b_set_channel; rf->switch_radio_on = al7230b_switch_radio_on; rf->switch_radio_off = al7230b_switch_radio_off; rf->patch_6m_band_edge = 1; return 0; }