diff options
Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap/wl1271/0010-drivers-media-radio-wl128x-FM-driver-RX-sources.patch')
| -rw-r--r-- | extras/recipes-kernel/linux/linux-omap/wl1271/0010-drivers-media-radio-wl128x-FM-driver-RX-sources.patch | 938 |
1 files changed, 938 insertions, 0 deletions
diff --git a/extras/recipes-kernel/linux/linux-omap/wl1271/0010-drivers-media-radio-wl128x-FM-driver-RX-sources.patch b/extras/recipes-kernel/linux/linux-omap/wl1271/0010-drivers-media-radio-wl128x-FM-driver-RX-sources.patch new file mode 100644 index 00000000..8899a318 --- /dev/null +++ b/extras/recipes-kernel/linux/linux-omap/wl1271/0010-drivers-media-radio-wl128x-FM-driver-RX-sources.patch @@ -0,0 +1,938 @@ +From ba32e1ae2a43f33dcfd459c1456d4e612da885db Mon Sep 17 00:00:00 2001 +From: Manjunatha Halli <manjunatha_halli@ti.com> +Date: Tue, 11 Jan 2011 11:31:24 +0000 +Subject: [PATCH 10/15] drivers:media:radio: wl128x: FM driver RX sources + +This has implementation for FM RX functionality. +It communicates with FM V4l2 module and FM common module + +Signed-off-by: Manjunatha Halli <manjunatha_halli@ti.com> +Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl> +--- + drivers/media/radio/wl128x/fmdrv_rx.c | 847 +++++++++++++++++++++++++++++++++ + drivers/media/radio/wl128x/fmdrv_rx.h | 59 +++ + 2 files changed, 906 insertions(+), 0 deletions(-) + create mode 100644 drivers/media/radio/wl128x/fmdrv_rx.c + create mode 100644 drivers/media/radio/wl128x/fmdrv_rx.h + +diff --git a/drivers/media/radio/wl128x/fmdrv_rx.c b/drivers/media/radio/wl128x/fmdrv_rx.c +new file mode 100644 +index 0000000..ec529b5 +--- /dev/null ++++ b/drivers/media/radio/wl128x/fmdrv_rx.c +@@ -0,0 +1,847 @@ ++/* ++ * FM Driver for Connectivity chip of Texas Instruments. ++ * This sub-module of FM driver implements FM RX functionality. ++ * ++ * Copyright (C) 2011 Texas Instruments ++ * Author: Raja Mani <raja_mani@ti.com> ++ * Author: Manjunatha Halli <manjunatha_halli@ti.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * 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 "fmdrv.h" ++#include "fmdrv_common.h" ++#include "fmdrv_rx.h" ++ ++void fm_rx_reset_rds_cache(struct fmdev *fmdev) ++{ ++ fmdev->rx.rds.flag = FM_RDS_DISABLE; ++ fmdev->rx.rds.last_blk_idx = 0; ++ fmdev->rx.rds.wr_idx = 0; ++ fmdev->rx.rds.rd_idx = 0; ++ ++ if (fmdev->rx.af_mode == FM_RX_RDS_AF_SWITCH_MODE_ON) ++ fmdev->irq_info.mask |= FM_LEV_EVENT; ++} ++ ++void fm_rx_reset_station_info(struct fmdev *fmdev) ++{ ++ fmdev->rx.stat_info.picode = FM_NO_PI_CODE; ++ fmdev->rx.stat_info.afcache_size = 0; ++ fmdev->rx.stat_info.af_list_max = 0; ++} ++ ++u32 fm_rx_set_freq(struct fmdev *fmdev, u32 freq) ++{ ++ unsigned long timeleft; ++ u16 payload, curr_frq, intr_flag; ++ u32 curr_frq_in_khz; ++ u32 ret, resp_len; ++ ++ if (freq < fmdev->rx.region.bot_freq || freq > fmdev->rx.region.top_freq) { ++ fmerr("Invalid frequency %d\n", freq); ++ return -EINVAL; ++ } ++ ++ /* Set audio enable */ ++ payload = FM_RX_AUDIO_ENABLE_I2S_AND_ANALOG; ++ ++ ret = fmc_send_cmd(fmdev, AUDIO_ENABLE_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Set hilo to automatic selection */ ++ payload = FM_RX_IFFREQ_HILO_AUTOMATIC; ++ ret = fmc_send_cmd(fmdev, HILO_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Calculate frequency index and set*/ ++ payload = (freq - fmdev->rx.region.bot_freq) / FM_FREQ_MUL; ++ ++ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Read flags - just to clear any pending interrupts if we had */ ++ ret = fmc_send_cmd(fmdev, FLAG_GET, REG_RD, NULL, 2, NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Enable FR, BL interrupts */ ++ intr_flag = fmdev->irq_info.mask; ++ fmdev->irq_info.mask = (FM_FR_EVENT | FM_BL_EVENT); ++ payload = fmdev->irq_info.mask; ++ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Start tune */ ++ payload = FM_TUNER_PRESET_MODE; ++ ret = fmc_send_cmd(fmdev, TUNER_MODE_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ goto exit; ++ ++ /* Wait for tune ended interrupt */ ++ init_completion(&fmdev->maintask_comp); ++ timeleft = wait_for_completion_timeout(&fmdev->maintask_comp, ++ FM_DRV_TX_TIMEOUT); ++ if (!timeleft) { ++ fmerr("Timeout(%d sec),didn't get tune ended int\n", ++ jiffies_to_msecs(FM_DRV_TX_TIMEOUT) / 1000); ++ ret = -ETIMEDOUT; ++ goto exit; ++ } ++ ++ /* Read freq back to confirm */ ++ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_RD, NULL, 2, &curr_frq, &resp_len); ++ if (ret < 0) ++ goto exit; ++ ++ curr_frq = be16_to_cpu(curr_frq); ++ curr_frq_in_khz = (fmdev->rx.region.bot_freq + ((u32)curr_frq * FM_FREQ_MUL)); ++ ++ if (curr_frq_in_khz != freq) { ++ pr_info("Frequency is set to (%d) but " ++ "requested freq is (%d)\n", curr_frq_in_khz, freq); ++ } ++ ++ /* Update local cache */ ++ fmdev->rx.freq = curr_frq_in_khz; ++exit: ++ /* Re-enable default FM interrupts */ ++ fmdev->irq_info.mask = intr_flag; ++ payload = fmdev->irq_info.mask; ++ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Reset RDS cache and current station pointers */ ++ fm_rx_reset_rds_cache(fmdev); ++ fm_rx_reset_station_info(fmdev); ++ ++ return ret; ++} ++ ++static u32 fm_rx_set_channel_spacing(struct fmdev *fmdev, u32 spacing) ++{ ++ u16 payload; ++ u32 ret; ++ ++ if (spacing > 0 && spacing <= 50000) ++ spacing = FM_CHANNEL_SPACING_50KHZ; ++ else if (spacing > 50000 && spacing <= 100000) ++ spacing = FM_CHANNEL_SPACING_100KHZ; ++ else ++ spacing = FM_CHANNEL_SPACING_200KHZ; ++ ++ /* set channel spacing */ ++ payload = spacing; ++ ret = fmc_send_cmd(fmdev, CHANL_BW_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ fmdev->rx.region.chanl_space = spacing * FM_FREQ_MUL; ++ ++ return ret; ++} ++ ++u32 fm_rx_seek(struct fmdev *fmdev, u32 seek_upward, ++ u32 wrap_around, u32 spacing) ++{ ++ u32 resp_len; ++ u16 curr_frq, next_frq, last_frq; ++ u16 payload, int_reason, intr_flag; ++ u16 offset, space_idx; ++ unsigned long timeleft; ++ u32 ret; ++ ++ /* Set channel spacing */ ++ ret = fm_rx_set_channel_spacing(fmdev, spacing); ++ if (ret < 0) { ++ fmerr("Failed to set channel spacing\n"); ++ return ret; ++ } ++ ++ /* Read the current frequency from chip */ ++ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_RD, NULL, ++ sizeof(curr_frq), &curr_frq, &resp_len); ++ if (ret < 0) ++ return ret; ++ ++ curr_frq = be16_to_cpu(curr_frq); ++ last_frq = (fmdev->rx.region.top_freq - fmdev->rx.region.bot_freq) / FM_FREQ_MUL; ++ ++ /* Check the offset in order to be aligned to the channel spacing*/ ++ space_idx = fmdev->rx.region.chanl_space / FM_FREQ_MUL; ++ offset = curr_frq % space_idx; ++ ++ next_frq = seek_upward ? curr_frq + space_idx /* Seek Up */ : ++ curr_frq - space_idx /* Seek Down */ ; ++ ++ /* ++ * Add or subtract offset in order to stay aligned to the channel ++ * spacing. ++ */ ++ if ((short)next_frq < 0) ++ next_frq = last_frq - offset; ++ else if (next_frq > last_frq) ++ next_frq = 0 + offset; ++ ++again: ++ /* Set calculated next frequency to perform seek */ ++ payload = next_frq; ++ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Set search direction (0:Seek Down, 1:Seek Up) */ ++ payload = (seek_upward ? FM_SEARCH_DIRECTION_UP : FM_SEARCH_DIRECTION_DOWN); ++ ret = fmc_send_cmd(fmdev, SEARCH_DIR_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Read flags - just to clear any pending interrupts if we had */ ++ ret = fmc_send_cmd(fmdev, FLAG_GET, REG_RD, NULL, 2, NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Enable FR, BL interrupts */ ++ intr_flag = fmdev->irq_info.mask; ++ fmdev->irq_info.mask = (FM_FR_EVENT | FM_BL_EVENT); ++ payload = fmdev->irq_info.mask; ++ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Start seek */ ++ payload = FM_TUNER_AUTONOMOUS_SEARCH_MODE; ++ ret = fmc_send_cmd(fmdev, TUNER_MODE_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Wait for tune ended/band limit reached interrupt */ ++ init_completion(&fmdev->maintask_comp); ++ timeleft = wait_for_completion_timeout(&fmdev->maintask_comp, ++ FM_DRV_RX_SEEK_TIMEOUT); ++ if (!timeleft) { ++ fmerr("Timeout(%d sec),didn't get tune ended int\n", ++ jiffies_to_msecs(FM_DRV_RX_SEEK_TIMEOUT) / 1000); ++ return -ETIMEDOUT; ++ } ++ ++ int_reason = fmdev->irq_info.flag & (FM_TUNE_COMPLETE | FM_BAND_LIMIT); ++ ++ /* Re-enable default FM interrupts */ ++ fmdev->irq_info.mask = intr_flag; ++ payload = fmdev->irq_info.mask; ++ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ if (int_reason & FM_BL_EVENT) { ++ if (wrap_around == 0) { ++ fmdev->rx.freq = seek_upward ? ++ fmdev->rx.region.top_freq : ++ fmdev->rx.region.bot_freq; ++ } else { ++ fmdev->rx.freq = seek_upward ? ++ fmdev->rx.region.bot_freq : ++ fmdev->rx.region.top_freq; ++ /* Calculate frequency index to write */ ++ next_frq = (fmdev->rx.freq - ++ fmdev->rx.region.bot_freq) / FM_FREQ_MUL; ++ goto again; ++ } ++ } else { ++ /* Read freq to know where operation tune operation stopped */ ++ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_RD, NULL, 2, ++ &curr_frq, &resp_len); ++ if (ret < 0) ++ return ret; ++ ++ curr_frq = be16_to_cpu(curr_frq); ++ fmdev->rx.freq = (fmdev->rx.region.bot_freq + ++ ((u32)curr_frq * FM_FREQ_MUL)); ++ ++ } ++ /* Reset RDS cache and current station pointers */ ++ fm_rx_reset_rds_cache(fmdev); ++ fm_rx_reset_station_info(fmdev); ++ ++ return ret; ++} ++ ++u32 fm_rx_set_volume(struct fmdev *fmdev, u16 vol_to_set) ++{ ++ u16 payload; ++ u32 ret; ++ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (vol_to_set < FM_RX_VOLUME_MIN || vol_to_set > FM_RX_VOLUME_MAX) { ++ fmerr("Volume is not within(%d-%d) range\n", ++ FM_RX_VOLUME_MIN, FM_RX_VOLUME_MAX); ++ return -EINVAL; ++ } ++ vol_to_set *= FM_RX_VOLUME_GAIN_STEP; ++ ++ payload = vol_to_set; ++ ret = fmc_send_cmd(fmdev, VOLUME_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ fmdev->rx.volume = vol_to_set; ++ return ret; ++} ++ ++/* Get volume */ ++u32 fm_rx_get_volume(struct fmdev *fmdev, u16 *curr_vol) ++{ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (curr_vol == NULL) { ++ fmerr("Invalid memory\n"); ++ return -ENOMEM; ++ } ++ ++ *curr_vol = fmdev->rx.volume / FM_RX_VOLUME_GAIN_STEP; ++ ++ return 0; ++} ++ ++/* To get current band's bottom and top frequency */ ++u32 fm_rx_get_band_freq_range(struct fmdev *fmdev, u32 *bot_freq, u32 *top_freq) ++{ ++ if (bot_freq != NULL) ++ *bot_freq = fmdev->rx.region.bot_freq; ++ ++ if (top_freq != NULL) ++ *top_freq = fmdev->rx.region.top_freq; ++ ++ return 0; ++} ++ ++/* Returns current band index (0-Europe/US; 1-Japan) */ ++void fm_rx_get_region(struct fmdev *fmdev, u8 *region) ++{ ++ *region = fmdev->rx.region.fm_band; ++} ++ ++/* Sets band (0-Europe/US; 1-Japan) */ ++u32 fm_rx_set_region(struct fmdev *fmdev, u8 region_to_set) ++{ ++ u16 payload; ++ u32 new_frq = 0; ++ u32 ret; ++ ++ if (region_to_set != FM_BAND_EUROPE_US && ++ region_to_set != FM_BAND_JAPAN) { ++ fmerr("Invalid band\n"); ++ return -EINVAL; ++ } ++ ++ if (fmdev->rx.region.fm_band == region_to_set) { ++ fmerr("Requested band is already configured\n"); ++ return 0; ++ } ++ ++ /* Send cmd to set the band */ ++ payload = (u16)region_to_set; ++ ret = fmc_send_cmd(fmdev, BAND_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ fmc_update_region_info(fmdev, region_to_set); ++ ++ /* Check whether current RX frequency is within band boundary */ ++ if (fmdev->rx.freq < fmdev->rx.region.bot_freq) ++ new_frq = fmdev->rx.region.bot_freq; ++ else if (fmdev->rx.freq > fmdev->rx.region.top_freq) ++ new_frq = fmdev->rx.region.top_freq; ++ ++ if (new_frq) { ++ fmdbg("Current freq is not within band limit boundary," ++ "switching to %d KHz\n", new_frq); ++ /* Current RX frequency is not in range. So, update it */ ++ ret = fm_rx_set_freq(fmdev, new_frq); ++ } ++ ++ return ret; ++} ++ ++/* Reads current mute mode (Mute Off/On/Attenuate)*/ ++u32 fm_rx_get_mute_mode(struct fmdev *fmdev, u8 *curr_mute_mode) ++{ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (curr_mute_mode == NULL) { ++ fmerr("Invalid memory\n"); ++ return -ENOMEM; ++ } ++ ++ *curr_mute_mode = fmdev->rx.mute_mode; ++ ++ return 0; ++} ++ ++static u32 fm_config_rx_mute_reg(struct fmdev *fmdev) ++{ ++ u16 payload, muteval; ++ u32 ret; ++ ++ muteval = 0; ++ switch (fmdev->rx.mute_mode) { ++ case FM_MUTE_ON: ++ muteval = FM_RX_AC_MUTE_MODE; ++ break; ++ ++ case FM_MUTE_OFF: ++ muteval = FM_RX_UNMUTE_MODE; ++ break; ++ ++ case FM_MUTE_ATTENUATE: ++ muteval = FM_RX_SOFT_MUTE_FORCE_MODE; ++ break; ++ } ++ if (fmdev->rx.rf_depend_mute == FM_RX_RF_DEPENDENT_MUTE_ON) ++ muteval |= FM_RX_RF_DEP_MODE; ++ else ++ muteval &= ~FM_RX_RF_DEP_MODE; ++ ++ payload = muteval; ++ ret = fmc_send_cmd(fmdev, MUTE_STATUS_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ return 0; ++} ++ ++/* Configures mute mode (Mute Off/On/Attenuate) */ ++u32 fm_rx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset) ++{ ++ u8 org_state; ++ u32 ret; ++ ++ if (fmdev->rx.mute_mode == mute_mode_toset) ++ return 0; ++ ++ org_state = fmdev->rx.mute_mode; ++ fmdev->rx.mute_mode = mute_mode_toset; ++ ++ ret = fm_config_rx_mute_reg(fmdev); ++ if (ret < 0) { ++ fmdev->rx.mute_mode = org_state; ++ return ret; ++ } ++ ++ return 0; ++} ++ ++/* Gets RF dependent soft mute mode enable/disable status */ ++u32 fm_rx_get_rfdepend_softmute(struct fmdev *fmdev, u8 *curr_mute_mode) ++{ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (curr_mute_mode == NULL) { ++ fmerr("Invalid memory\n"); ++ return -ENOMEM; ++ } ++ ++ *curr_mute_mode = fmdev->rx.rf_depend_mute; ++ ++ return 0; ++} ++ ++/* Sets RF dependent soft mute mode */ ++u32 fm_rx_set_rfdepend_softmute(struct fmdev *fmdev, u8 rfdepend_mute) ++{ ++ u8 org_state; ++ u32 ret; ++ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (rfdepend_mute != FM_RX_RF_DEPENDENT_MUTE_ON && ++ rfdepend_mute != FM_RX_RF_DEPENDENT_MUTE_OFF) { ++ fmerr("Invalid RF dependent soft mute\n"); ++ return -EINVAL; ++ } ++ if (fmdev->rx.rf_depend_mute == rfdepend_mute) ++ return 0; ++ ++ org_state = fmdev->rx.rf_depend_mute; ++ fmdev->rx.rf_depend_mute = rfdepend_mute; ++ ++ ret = fm_config_rx_mute_reg(fmdev); ++ if (ret < 0) { ++ fmdev->rx.rf_depend_mute = org_state; ++ return ret; ++ } ++ ++ return 0; ++} ++ ++/* Returns the signal strength level of current channel */ ++u32 fm_rx_get_rssi_level(struct fmdev *fmdev, u16 *rssilvl) ++{ ++ u16 curr_rssi_lel; ++ u32 resp_len; ++ u32 ret; ++ ++ if (rssilvl == NULL) { ++ fmerr("Invalid memory\n"); ++ return -ENOMEM; ++ } ++ /* Read current RSSI level */ ++ ret = fmc_send_cmd(fmdev, RSSI_LVL_GET, REG_RD, NULL, 2, ++ &curr_rssi_lel, &resp_len); ++ if (ret < 0) ++ return ret; ++ ++ *rssilvl = be16_to_cpu(curr_rssi_lel); ++ ++ return 0; ++} ++ ++/* ++ * Sets the signal strength level that once reached ++ * will stop the auto search process ++ */ ++u32 fm_rx_set_rssi_threshold(struct fmdev *fmdev, short rssi_lvl_toset) ++{ ++ u16 payload; ++ u32 ret; ++ ++ if (rssi_lvl_toset < FM_RX_RSSI_THRESHOLD_MIN || ++ rssi_lvl_toset > FM_RX_RSSI_THRESHOLD_MAX) { ++ fmerr("Invalid RSSI threshold level\n"); ++ return -EINVAL; ++ } ++ payload = (u16)rssi_lvl_toset; ++ ret = fmc_send_cmd(fmdev, SEARCH_LVL_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ fmdev->rx.rssi_threshold = rssi_lvl_toset; ++ ++ return 0; ++} ++ ++/* Returns current RX RSSI threshold value */ ++u32 fm_rx_get_rssi_threshold(struct fmdev *fmdev, short *curr_rssi_lvl) ++{ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (curr_rssi_lvl == NULL) { ++ fmerr("Invalid memory\n"); ++ return -ENOMEM; ++ } ++ ++ *curr_rssi_lvl = fmdev->rx.rssi_threshold; ++ ++ return 0; ++} ++ ++/* Sets RX stereo/mono modes */ ++u32 fm_rx_set_stereo_mono(struct fmdev *fmdev, u16 mode) ++{ ++ u16 payload; ++ u32 ret; ++ ++ if (mode != FM_STEREO_MODE && mode != FM_MONO_MODE) { ++ fmerr("Invalid mode\n"); ++ return -EINVAL; ++ } ++ ++ /* Set stereo/mono mode */ ++ payload = (u16)mode; ++ ret = fmc_send_cmd(fmdev, MOST_MODE_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Set stereo blending mode */ ++ payload = FM_STEREO_SOFT_BLEND; ++ ret = fmc_send_cmd(fmdev, MOST_BLEND_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ return 0; ++} ++ ++/* Gets current RX stereo/mono mode */ ++u32 fm_rx_get_stereo_mono(struct fmdev *fmdev, u16 *mode) ++{ ++ u16 curr_mode; ++ u32 ret, resp_len; ++ ++ if (mode == NULL) { ++ fmerr("Invalid memory\n"); ++ return -ENOMEM; ++ } ++ ++ ret = fmc_send_cmd(fmdev, MOST_MODE_SET, REG_RD, NULL, 2, ++ &curr_mode, &resp_len); ++ if (ret < 0) ++ return ret; ++ ++ *mode = be16_to_cpu(curr_mode); ++ ++ return 0; ++} ++ ++/* Choose RX de-emphasis filter mode (50us/75us) */ ++u32 fm_rx_set_deemphasis_mode(struct fmdev *fmdev, u16 mode) ++{ ++ u16 payload; ++ u32 ret; ++ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (mode != FM_RX_EMPHASIS_FILTER_50_USEC && ++ mode != FM_RX_EMPHASIS_FILTER_75_USEC) { ++ fmerr("Invalid rx de-emphasis mode (%d)\n", mode); ++ return -EINVAL; ++ } ++ ++ payload = mode; ++ ret = fmc_send_cmd(fmdev, DEMPH_MODE_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ fmdev->rx.deemphasis_mode = mode; ++ ++ return 0; ++} ++ ++/* Gets current RX de-emphasis filter mode */ ++u32 fm_rx_get_deemph_mode(struct fmdev *fmdev, u16 *curr_deemphasis_mode) ++{ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (curr_deemphasis_mode == NULL) { ++ fmerr("Invalid memory\n"); ++ return -ENOMEM; ++ } ++ ++ *curr_deemphasis_mode = fmdev->rx.deemphasis_mode; ++ ++ return 0; ++} ++ ++/* Enable/Disable RX RDS */ ++u32 fm_rx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis) ++{ ++ u16 payload; ++ u32 ret; ++ ++ if (rds_en_dis != FM_RDS_ENABLE && rds_en_dis != FM_RDS_DISABLE) { ++ fmerr("Invalid rds option\n"); ++ return -EINVAL; ++ } ++ ++ if (rds_en_dis == FM_RDS_ENABLE ++ && fmdev->rx.rds.flag == FM_RDS_DISABLE) { ++ /* Turn on RX RDS and RDS circuit */ ++ payload = FM_RX_PWR_SET_FM_AND_RDS_BLK_ON; ++ ret = fmc_send_cmd(fmdev, POWER_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Clear and reset RDS FIFO */ ++ payload = FM_RX_RDS_FLUSH_FIFO; ++ ret = fmc_send_cmd(fmdev, RDS_CNTRL_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Read flags - just to clear any pending interrupts. */ ++ ret = fmc_send_cmd(fmdev, FLAG_GET, REG_RD, NULL, 2, ++ NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Set RDS FIFO threshold value */ ++ payload = FM_RX_RDS_FIFO_THRESHOLD; ++ ret = fmc_send_cmd(fmdev, RDS_MEM_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Enable RDS interrupt */ ++ fmdev->irq_info.mask |= FM_RDS_EVENT; ++ payload = fmdev->irq_info.mask; ++ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) { ++ fmdev->irq_info.mask &= ~FM_RDS_EVENT; ++ return ret; ++ } ++ ++ /* Update our local flag */ ++ fmdev->rx.rds.flag = FM_RDS_ENABLE; ++ } else if (rds_en_dis == FM_RDS_DISABLE ++ && fmdev->rx.rds.flag == FM_RDS_ENABLE) { ++ /* Turn off RX RDS */ ++ payload = FM_RX_PWR_SET_FM_ON_RDS_OFF; ++ ret = fmc_send_cmd(fmdev, POWER_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ /* Reset RDS pointers */ ++ fmdev->rx.rds.last_blk_idx = 0; ++ fmdev->rx.rds.wr_idx = 0; ++ fmdev->rx.rds.rd_idx = 0; ++ fm_rx_reset_station_info(fmdev); ++ ++ /* Update RDS local cache */ ++ fmdev->irq_info.mask &= ~(FM_RDS_EVENT); ++ fmdev->rx.rds.flag = FM_RDS_DISABLE; ++ } ++ ++ return 0; ++} ++ ++/* Returns current RX RDS enable/disable status */ ++u32 fm_rx_get_rds_mode(struct fmdev *fmdev, u8 *curr_rds_en_dis) ++{ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (curr_rds_en_dis == NULL) { ++ fmerr("Invalid memory\n"); ++ return -ENOMEM; ++ } ++ ++ *curr_rds_en_dis = fmdev->rx.rds.flag; ++ ++ return 0; ++} ++ ++/* Sets RDS operation mode (RDS/RDBS) */ ++u32 fm_rx_set_rds_system(struct fmdev *fmdev, u8 rds_mode) ++{ ++ u16 payload; ++ u32 ret; ++ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (rds_mode != FM_RDS_SYSTEM_RDS && rds_mode != FM_RDS_SYSTEM_RBDS) { ++ fmerr("Invalid rds mode\n"); ++ return -EINVAL; ++ } ++ /* Set RDS operation mode */ ++ payload = (u16)rds_mode; ++ ret = fmc_send_cmd(fmdev, RDS_SYSTEM_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ fmdev->rx.rds_mode = rds_mode; ++ ++ return 0; ++} ++ ++/* Returns current RDS operation mode */ ++u32 fm_rx_get_rds_system(struct fmdev *fmdev, u8 *rds_mode) ++{ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (rds_mode == NULL) { ++ fmerr("Invalid memory\n"); ++ return -ENOMEM; ++ } ++ ++ *rds_mode = fmdev->rx.rds_mode; ++ ++ return 0; ++} ++ ++/* Configures Alternate Frequency switch mode */ ++u32 fm_rx_set_af_switch(struct fmdev *fmdev, u8 af_mode) ++{ ++ u16 payload; ++ u32 ret; ++ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (af_mode != FM_RX_RDS_AF_SWITCH_MODE_ON && ++ af_mode != FM_RX_RDS_AF_SWITCH_MODE_OFF) { ++ fmerr("Invalid af mode\n"); ++ return -EINVAL; ++ } ++ /* Enable/disable low RSSI interrupt based on af_mode */ ++ if (af_mode == FM_RX_RDS_AF_SWITCH_MODE_ON) ++ fmdev->irq_info.mask |= FM_LEV_EVENT; ++ else ++ fmdev->irq_info.mask &= ~FM_LEV_EVENT; ++ ++ payload = fmdev->irq_info.mask; ++ ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload, ++ sizeof(payload), NULL, NULL); ++ if (ret < 0) ++ return ret; ++ ++ fmdev->rx.af_mode = af_mode; ++ ++ return 0; ++} ++ ++/* Returns Alternate Frequency switch status */ ++u32 fm_rx_get_af_switch(struct fmdev *fmdev, u8 *af_mode) ++{ ++ if (fmdev->curr_fmmode != FM_MODE_RX) ++ return -EPERM; ++ ++ if (af_mode == NULL) { ++ fmerr("Invalid memory\n"); ++ return -ENOMEM; ++ } ++ ++ *af_mode = fmdev->rx.af_mode; ++ ++ return 0; ++} +diff --git a/drivers/media/radio/wl128x/fmdrv_rx.h b/drivers/media/radio/wl128x/fmdrv_rx.h +new file mode 100644 +index 0000000..329e62f +--- /dev/null ++++ b/drivers/media/radio/wl128x/fmdrv_rx.h +@@ -0,0 +1,59 @@ ++/* ++ * FM Driver for Connectivity chip of Texas Instruments. ++ * FM RX module header. ++ * ++ * Copyright (C) 2011 Texas Instruments ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * 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 ++ * ++ */ ++ ++#ifndef _FMDRV_RX_H ++#define _FMDRV_RX_H ++ ++u32 fm_rx_set_freq(struct fmdev *, u32); ++u32 fm_rx_set_mute_mode(struct fmdev *, u8); ++u32 fm_rx_set_stereo_mono(struct fmdev *, u16); ++u32 fm_rx_set_rds_mode(struct fmdev *, u8); ++u32 fm_rx_set_rds_system(struct fmdev *, u8); ++u32 fm_rx_set_volume(struct fmdev *, u16); ++u32 fm_rx_set_rssi_threshold(struct fmdev *, short); ++u32 fm_rx_set_region(struct fmdev *, u8); ++u32 fm_rx_set_rfdepend_softmute(struct fmdev *, u8); ++u32 fm_rx_set_deemphasis_mode(struct fmdev *, u16); ++u32 fm_rx_set_af_switch(struct fmdev *, u8); ++ ++void fm_rx_reset_rds_cache(struct fmdev *); ++void fm_rx_reset_station_info(struct fmdev *); ++ ++u32 fm_rx_seek(struct fmdev *, u32, u32, u32); ++ ++u32 fm_rx_get_rds_mode(struct fmdev *, u8 *); ++u32 fm_rx_get_rds_system(struct fmdev *, u8 *); ++u32 fm_rx_get_mute_mode(struct fmdev *, u8 *); ++u32 fm_rx_get_volume(struct fmdev *, u16 *); ++u32 fm_rx_get_band_freq_range(struct fmdev *, ++ u32 *, u32 *); ++u32 fm_rx_get_stereo_mono(struct fmdev *, u16 *); ++u32 fm_rx_get_rssi_level(struct fmdev *, u16 *); ++u32 fm_rx_get_rssi_threshold(struct fmdev *, short *); ++u32 fm_rx_get_rfdepend_softmute(struct fmdev *, u8 *); ++u32 fm_rx_get_deemph_mode(struct fmdev *, u16 *); ++u32 fm_rx_get_af_switch(struct fmdev *, u8 *); ++void fm_rx_get_region(struct fmdev *, u8 *); ++ ++u32 fm_rx_set_chanl_spacing(struct fmdev *, u8); ++u32 fm_rx_get_chanl_spacing(struct fmdev *, u8 *); ++#endif ++ +-- +1.6.6.1 + |