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Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap/wl1271/0011-drivers-media-radio-wl128x-FM-driver-TX-sources.patch')
-rw-r--r--extras/recipes-kernel/linux/linux-omap/wl1271/0011-drivers-media-radio-wl128x-FM-driver-TX-sources.patch494
1 files changed, 494 insertions, 0 deletions
diff --git a/extras/recipes-kernel/linux/linux-omap/wl1271/0011-drivers-media-radio-wl128x-FM-driver-TX-sources.patch b/extras/recipes-kernel/linux/linux-omap/wl1271/0011-drivers-media-radio-wl128x-FM-driver-TX-sources.patch
new file mode 100644
index 00000000..52b409f8
--- /dev/null
+++ b/extras/recipes-kernel/linux/linux-omap/wl1271/0011-drivers-media-radio-wl128x-FM-driver-TX-sources.patch
@@ -0,0 +1,494 @@
+From 87d399bad67bdff67c1601fbb8e54deb5e0cf7e0 Mon Sep 17 00:00:00 2001
+From: Manjunatha Halli <manjunatha_halli@ti.com>
+Date: Tue, 11 Jan 2011 11:31:25 +0000
+Subject: [PATCH 11/15] drivers:media:radio: wl128x: FM driver TX sources
+
+This has implementation for FM TX 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_tx.c | 425 +++++++++++++++++++++++++++++++++
+ drivers/media/radio/wl128x/fmdrv_tx.h | 37 +++
+ 2 files changed, 462 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/media/radio/wl128x/fmdrv_tx.c
+ create mode 100644 drivers/media/radio/wl128x/fmdrv_tx.h
+
+diff --git a/drivers/media/radio/wl128x/fmdrv_tx.c b/drivers/media/radio/wl128x/fmdrv_tx.c
+new file mode 100644
+index 0000000..be54068
+--- /dev/null
++++ b/drivers/media/radio/wl128x/fmdrv_tx.c
+@@ -0,0 +1,425 @@
++/*
++ * 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"
++
++u32 fm_tx_set_stereo_mono(struct fmdev *fmdev, u16 mode)
++{
++ u16 payload;
++ u32 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 u32 set_rds_text(struct fmdev *fmdev, u8 *rds_text)
++{
++ u16 payload;
++ u32 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 u32 set_rds_data_mode(struct fmdev *fmdev, u8 mode)
++{
++ u16 payload;
++ u32 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 u32 set_rds_len(struct fmdev *fmdev, u8 type, u16 len)
++{
++ u16 payload;
++ u32 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;
++}
++
++u32 fm_tx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis)
++{
++ u16 payload;
++ u32 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;
++}
++
++u32 fm_tx_set_radio_text(struct fmdev *fmdev, u8 *rds_text, u8 rds_type)
++{
++ u16 payload;
++ u32 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;
++}
++
++u32 fm_tx_set_af(struct fmdev *fmdev, u32 af)
++{
++ u16 payload;
++ u32 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;
++}
++
++u32 fm_tx_set_region(struct fmdev *fmdev, u8 region)
++{
++ u16 payload;
++ u32 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;
++}
++
++u32 fm_tx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset)
++{
++ u16 payload;
++ u32 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 u32 set_audio_io(struct fmdev *fmdev)
++{
++ struct fmtx_data *tx = &fmdev->tx_data;
++ u16 payload;
++ u32 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 u32 enable_xmit(struct fmdev *fmdev, u8 new_xmit_state)
++{
++ struct fmtx_data *tx = &fmdev->tx_data;
++ unsigned long timeleft;
++ u16 payload;
++ u32 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 */
++u32 fm_tx_set_pwr_lvl(struct fmdev *fmdev, u8 new_pwr_lvl)
++{
++ u16 payload;
++ struct fmtx_data *tx = &fmdev->tx_data;
++ u32 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.
++ */
++u32 fm_tx_set_preemph_filter(struct fmdev *fmdev, u32 preemphasis)
++{
++ struct fmtx_data *tx = &fmdev->tx_data;
++ u16 payload;
++ u32 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.*/
++u32 fm_tx_get_tune_cap_val(struct fmdev *fmdev)
++{
++ u16 curr_val;
++ u32 ret, resp_len;
++
++ 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 */
++u32 fm_tx_set_freq(struct fmdev *fmdev, u32 freq_to_set)
++{
++ struct fmtx_data *tx = &fmdev->tx_data;
++ u16 payload, chanl_index;
++ u32 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;
++}
++
+diff --git a/drivers/media/radio/wl128x/fmdrv_tx.h b/drivers/media/radio/wl128x/fmdrv_tx.h
+new file mode 100644
+index 0000000..e393a2b
+--- /dev/null
++++ b/drivers/media/radio/wl128x/fmdrv_tx.h
+@@ -0,0 +1,37 @@
++/*
++ * FM Driver for Connectivity chip of Texas Instruments.
++ * FM TX 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_TX_H
++#define _FMDRV_TX_H
++
++u32 fm_tx_set_freq(struct fmdev *, u32);
++u32 fm_tx_set_pwr_lvl(struct fmdev *, u8);
++u32 fm_tx_set_region(struct fmdev *, u8);
++u32 fm_tx_set_mute_mode(struct fmdev *, u8);
++u32 fm_tx_set_stereo_mono(struct fmdev *, u16);
++u32 fm_tx_set_rds_mode(struct fmdev *, u8);
++u32 fm_tx_set_radio_text(struct fmdev *, u8 *, u8);
++u32 fm_tx_set_af(struct fmdev *, u32);
++u32 fm_tx_set_preemph_filter(struct fmdev *, u32);
++u32 fm_tx_get_tune_cap_val(struct fmdev *);
++
++#endif
++
+--
+1.6.6.1
+
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