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path: root/ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_tx.c
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Diffstat (limited to 'ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_tx.c')
-rw-r--r--ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_tx.c426
1 files changed, 0 insertions, 426 deletions
diff --git a/ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_tx.c b/ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_tx.c
deleted file mode 100644
index 6ea33e09..00000000
--- a/ANDROID_3.4.5/drivers/media/radio/wl128x/fmdrv_tx.c
+++ /dev/null
@@ -1,426 +0,0 @@
-/*
- * FM Driver for Connectivity chip of Texas Instruments.
- * This sub-module of FM driver implements FM TX functionality.
- *
- * 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
- *
- */
-
-#include <linux/delay.h>
-#include "fmdrv.h"
-#include "fmdrv_common.h"
-#include "fmdrv_tx.h"
-
-int fm_tx_set_stereo_mono(struct fmdev *fmdev, u16 mode)
-{
- u16 payload;
- int ret;
-
- if (fmdev->tx_data.aud_mode == mode)
- return 0;
-
- fmdbg("stereo mode: %d\n", mode);
-
- /* Set Stereo/Mono mode */
- payload = (1 - mode);
- ret = fmc_send_cmd(fmdev, MONO_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- fmdev->tx_data.aud_mode = mode;
-
- return ret;
-}
-
-static int set_rds_text(struct fmdev *fmdev, u8 *rds_text)
-{
- u16 payload;
- int ret;
-
- ret = fmc_send_cmd(fmdev, RDS_DATA_SET, REG_WR, rds_text,
- strlen(rds_text), NULL, NULL);
- if (ret < 0)
- return ret;
-
- /* Scroll mode */
- payload = (u16)0x1;
- ret = fmc_send_cmd(fmdev, DISPLAY_MODE, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int set_rds_data_mode(struct fmdev *fmdev, u8 mode)
-{
- u16 payload;
- int ret;
-
- /* Setting unique PI TODO: how unique? */
- payload = (u16)0xcafe;
- ret = fmc_send_cmd(fmdev, PI_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- /* Set decoder id */
- payload = (u16)0xa;
- ret = fmc_send_cmd(fmdev, DI_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- /* TODO: RDS_MODE_GET? */
- return 0;
-}
-
-static int set_rds_len(struct fmdev *fmdev, u8 type, u16 len)
-{
- u16 payload;
- int ret;
-
- len |= type << 8;
- payload = len;
- ret = fmc_send_cmd(fmdev, RDS_CONFIG_DATA_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- /* TODO: LENGTH_GET? */
- return 0;
-}
-
-int fm_tx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis)
-{
- u16 payload;
- int ret;
- u8 rds_text[] = "Zoom2\n";
-
- fmdbg("rds_en_dis:%d(E:%d, D:%d)\n", rds_en_dis,
- FM_RDS_ENABLE, FM_RDS_DISABLE);
-
- if (rds_en_dis == FM_RDS_ENABLE) {
- /* Set RDS length */
- set_rds_len(fmdev, 0, strlen(rds_text));
-
- /* Set RDS text */
- set_rds_text(fmdev, rds_text);
-
- /* Set RDS mode */
- set_rds_data_mode(fmdev, 0x0);
- }
-
- /* Send command to enable RDS */
- if (rds_en_dis == FM_RDS_ENABLE)
- payload = 0x01;
- else
- payload = 0x00;
-
- ret = fmc_send_cmd(fmdev, RDS_DATA_ENB, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- if (rds_en_dis == FM_RDS_ENABLE) {
- /* Set RDS length */
- set_rds_len(fmdev, 0, strlen(rds_text));
-
- /* Set RDS text */
- set_rds_text(fmdev, rds_text);
- }
- fmdev->tx_data.rds.flag = rds_en_dis;
-
- return 0;
-}
-
-int fm_tx_set_radio_text(struct fmdev *fmdev, u8 *rds_text, u8 rds_type)
-{
- u16 payload;
- int ret;
-
- if (fmdev->curr_fmmode != FM_MODE_TX)
- return -EPERM;
-
- fm_tx_set_rds_mode(fmdev, 0);
-
- /* Set RDS length */
- set_rds_len(fmdev, rds_type, strlen(rds_text));
-
- /* Set RDS text */
- set_rds_text(fmdev, rds_text);
-
- /* Set RDS mode */
- set_rds_data_mode(fmdev, 0x0);
-
- payload = 1;
- ret = fmc_send_cmd(fmdev, RDS_DATA_ENB, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-int fm_tx_set_af(struct fmdev *fmdev, u32 af)
-{
- u16 payload;
- int ret;
-
- if (fmdev->curr_fmmode != FM_MODE_TX)
- return -EPERM;
-
- fmdbg("AF: %d\n", af);
-
- af = (af - 87500) / 100;
- payload = (u16)af;
- ret = fmc_send_cmd(fmdev, TA_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-int fm_tx_set_region(struct fmdev *fmdev, u8 region)
-{
- u16 payload;
- int ret;
-
- if (region != FM_BAND_EUROPE_US && region != FM_BAND_JAPAN) {
- fmerr("Invalid band\n");
- return -EINVAL;
- }
-
- /* Send command to set the band */
- payload = (u16)region;
- ret = fmc_send_cmd(fmdev, TX_BAND_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-int fm_tx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset)
-{
- u16 payload;
- int ret;
-
- fmdbg("tx: mute mode %d\n", mute_mode_toset);
-
- payload = mute_mode_toset;
- ret = fmc_send_cmd(fmdev, MUTE, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-/* Set TX Audio I/O */
-static int set_audio_io(struct fmdev *fmdev)
-{
- struct fmtx_data *tx = &fmdev->tx_data;
- u16 payload;
- int ret;
-
- /* Set Audio I/O Enable */
- payload = tx->audio_io;
- ret = fmc_send_cmd(fmdev, AUDIO_IO_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- /* TODO: is audio set? */
- return 0;
-}
-
-/* Start TX Transmission */
-static int enable_xmit(struct fmdev *fmdev, u8 new_xmit_state)
-{
- struct fmtx_data *tx = &fmdev->tx_data;
- unsigned long timeleft;
- u16 payload;
- int ret;
-
- /* Enable POWER_ENB interrupts */
- payload = FM_POW_ENB_EVENT;
- ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- /* Set Power Enable */
- payload = new_xmit_state;
- ret = fmc_send_cmd(fmdev, POWER_ENB_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- /* Wait for Power Enabled */
- 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 interrupt\n",
- jiffies_to_msecs(FM_DRV_TX_TIMEOUT) / 1000);
- return -ETIMEDOUT;
- }
-
- set_bit(FM_CORE_TX_XMITING, &fmdev->flag);
- tx->xmit_state = new_xmit_state;
-
- return 0;
-}
-
-/* Set TX power level */
-int fm_tx_set_pwr_lvl(struct fmdev *fmdev, u8 new_pwr_lvl)
-{
- u16 payload;
- struct fmtx_data *tx = &fmdev->tx_data;
- int ret;
-
- if (fmdev->curr_fmmode != FM_MODE_TX)
- return -EPERM;
- fmdbg("tx: pwr_level_to_set %ld\n", (long int)new_pwr_lvl);
-
- /* If the core isn't ready update global variable */
- if (!test_bit(FM_CORE_READY, &fmdev->flag)) {
- tx->pwr_lvl = new_pwr_lvl;
- return 0;
- }
-
- /* Set power level: Application will specify power level value in
- * units of dB/uV, whereas range and step are specific to FM chip.
- * For TI's WL chips, convert application specified power level value
- * to chip specific value by subtracting 122 from it. Refer to TI FM
- * data sheet for details.
- * */
-
- payload = (FM_PWR_LVL_HIGH - new_pwr_lvl);
- ret = fmc_send_cmd(fmdev, POWER_LEV_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- /* TODO: is the power level set? */
- tx->pwr_lvl = new_pwr_lvl;
-
- return 0;
-}
-
-/*
- * Sets FM TX pre-emphasis filter value (OFF, 50us, or 75us)
- * Convert V4L2 specified filter values to chip specific filter values.
- */
-int fm_tx_set_preemph_filter(struct fmdev *fmdev, u32 preemphasis)
-{
- struct fmtx_data *tx = &fmdev->tx_data;
- u16 payload;
- int ret;
-
- if (fmdev->curr_fmmode != FM_MODE_TX)
- return -EPERM;
-
- switch (preemphasis) {
- case V4L2_PREEMPHASIS_DISABLED:
- payload = FM_TX_PREEMPH_OFF;
- break;
- case V4L2_PREEMPHASIS_50_uS:
- payload = FM_TX_PREEMPH_50US;
- break;
- case V4L2_PREEMPHASIS_75_uS:
- payload = FM_TX_PREEMPH_75US;
- break;
- }
-
- ret = fmc_send_cmd(fmdev, PREMPH_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- tx->preemph = payload;
-
- return ret;
-}
-
-/* Get the TX tuning capacitor value.*/
-int fm_tx_get_tune_cap_val(struct fmdev *fmdev)
-{
- u16 curr_val;
- u32 resp_len;
- int ret;
-
- if (fmdev->curr_fmmode != FM_MODE_TX)
- return -EPERM;
-
- ret = fmc_send_cmd(fmdev, READ_FMANT_TUNE_VALUE, REG_RD,
- NULL, sizeof(curr_val), &curr_val, &resp_len);
- if (ret < 0)
- return ret;
-
- curr_val = be16_to_cpu(curr_val);
-
- return curr_val;
-}
-
-/* Set TX Frequency */
-int fm_tx_set_freq(struct fmdev *fmdev, u32 freq_to_set)
-{
- struct fmtx_data *tx = &fmdev->tx_data;
- u16 payload, chanl_index;
- int ret;
-
- if (test_bit(FM_CORE_TX_XMITING, &fmdev->flag)) {
- enable_xmit(fmdev, 0);
- clear_bit(FM_CORE_TX_XMITING, &fmdev->flag);
- }
-
- /* Enable FR, BL interrupts */
- payload = (FM_FR_EVENT | FM_BL_EVENT);
- ret = fmc_send_cmd(fmdev, INT_MASK_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- tx->tx_frq = (unsigned long)freq_to_set;
- fmdbg("tx: freq_to_set %ld\n", (long int)tx->tx_frq);
-
- chanl_index = freq_to_set / 10;
-
- /* Set current tuner channel */
- payload = chanl_index;
- ret = fmc_send_cmd(fmdev, CHANL_SET, REG_WR, &payload,
- sizeof(payload), NULL, NULL);
- if (ret < 0)
- return ret;
-
- fm_tx_set_pwr_lvl(fmdev, tx->pwr_lvl);
- fm_tx_set_preemph_filter(fmdev, tx->preemph);
-
- tx->audio_io = 0x01; /* I2S */
- set_audio_io(fmdev);
-
- enable_xmit(fmdev, 0x01); /* Enable transmission */
-
- tx->aud_mode = FM_STEREO_MODE;
- tx->rds.flag = FM_RDS_DISABLE;
-
- return 0;
-}
-
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