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path: root/drivers/staging/ti-st/fmdrv_rx.c
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Diffstat (limited to 'drivers/staging/ti-st/fmdrv_rx.c')
-rw-r--r--drivers/staging/ti-st/fmdrv_rx.c634
1 files changed, 338 insertions, 296 deletions
diff --git a/drivers/staging/ti-st/fmdrv_rx.c b/drivers/staging/ti-st/fmdrv_rx.c
index 5fb182f06a35..536f1c8120c5 100644
--- a/drivers/staging/ti-st/fmdrv_rx.c
+++ b/drivers/staging/ti-st/fmdrv_rx.c
@@ -3,6 +3,7 @@
* This sub-module of FM driver implements FM RX functionality.
*
* Copyright (C) 2010 Texas Instruments
+ * Author: Raja Mani <raja_mani@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
@@ -23,13 +24,6 @@
#include "fmdrv_common.h"
#include "fmdrv_rx.h"
-#ifndef DEBUG
-#ifdef pr_info
-#undef pr_info
-#define pr_info(fmt, arg...)
-#endif
-#endif
-
void fm_rx_reset_rds_cache(struct fmdrv_ops *fmdev)
{
fmdev->rx.rds.flag = FM_RDS_DISABLE;
@@ -39,7 +33,6 @@ void fm_rx_reset_rds_cache(struct fmdrv_ops *fmdev)
if (fmdev->rx.af_mode == FM_RX_RDS_AF_SWITCH_MODE_ON)
fmdev->irq_info.mask |= FM_LEV_EVENT;
-
}
void fm_rx_reset_curr_station_info(struct fmdrv_ops *fmdev)
@@ -56,90 +49,93 @@ int fm_rx_set_frequency(struct fmdrv_ops *fmdev, unsigned int freq_to_set)
unsigned int curr_frq_in_khz;
int ret, resp_len;
- if (fmdev->curr_fmmode != FM_MODE_RX) {
- ret = -EPERM;
- goto exit;
- }
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
if (freq_to_set < fmdev->rx.region.bottom_frequency ||
freq_to_set > fmdev->rx.region.top_frequency) {
- pr_err("(fmdrv): Invalid frequency %d", freq_to_set);
- ret = -EINVAL;
- goto exit;
+ pr_err("(fmdrv): Invalid frequency %d\n", freq_to_set);
+ return -EINVAL;
}
+
/* Set audio enable */
- FM_STORE_LE16_TO_BE16(payload, FM_RX_FM_AUDIO_ENABLE_I2S_AND_ANALOG);
- ret = fmc_send_cmd(fmdev, AUDIO_ENABLE_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ payload = FM_RX_FM_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 */
- FM_STORE_LE16_TO_BE16(payload, FM_RX_IFFREQ_HILO_AUTOMATIC);
- ret = fmc_send_cmd(fmdev, HILO_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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 to write */
frq_index = (freq_to_set - fmdev->rx.region.bottom_frequency) /
FM_FREQ_MUL;
/* Set frequency index */
- FM_STORE_LE16_TO_BE16(payload, frq_index);
- ret = fmc_send_cmd(fmdev, FREQ_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ payload = frq_index;
+ 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, NULL, 2,
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ ret = fmc_send_cmd(fmdev, FLAG_GET, REG_RD, NULL, 2,
+ NULL, NULL);
+ if (ret < 0)
+ return ret;
/* Enable FR, BL interrupts */
fmdev->irq_info.mask |= (FM_FR_EVENT | FM_BL_EVENT);
- FM_STORE_LE16_TO_BE16(payload, fmdev->irq_info.mask);
- ret = fmc_send_cmd(fmdev, INT_MASK_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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 */
- FM_STORE_LE16_TO_BE16(payload, FM_TUNER_PRESET_MODE);
- ret = fmc_send_cmd(fmdev, TUNER_MODE_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ payload = FM_TUNER_PRESET_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 interrupt */
init_completion(&fmdev->maintask_completion);
timeleft = wait_for_completion_timeout(&fmdev->maintask_completion,
FM_DRV_TX_TIMEOUT);
if (!timeleft) {
- pr_err("(fmdrv): Timeout(%d sec),didn't get tune ended int",
+ pr_err("(fmdrv): Timeout(%d sec),didn't get tune ended int\n",
jiffies_to_msecs(FM_DRV_TX_TIMEOUT) / 1000);
- ret = -ETIMEDOUT;
- goto exit;
+ return -ETIMEDOUT;
}
/* Read freq back to confirm */
- ret = fmc_send_cmd(fmdev, FREQ_GET, NULL, 2,
- &fmdev->maintask_completion, &curr_frq, &resp_len);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ ret = fmc_send_cmd(fmdev, FREQ_SET, REG_RD, NULL, 2,
+ &curr_frq, &resp_len);
+ if (ret < 0)
+ return ret;
- curr_frq = FM_BE16_TO_LE16(curr_frq);
+ curr_frq = be16_to_cpu(curr_frq);
curr_frq_in_khz = (fmdev->rx.region.bottom_frequency
+ ((unsigned int)curr_frq * FM_FREQ_MUL));
/* Re-enable default FM interrupts */
fmdev->irq_info.mask &= ~(FM_FR_EVENT | FM_BL_EVENT);
- FM_STORE_LE16_TO_BE16(payload, fmdev->irq_info.mask);
- ret = fmc_send_cmd(fmdev, INT_MASK_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
-
- /* Gap BTW two consecutive frequency must be 50KHz, if the requested
- * frequency is odd value then driver will tune to the next higher freq.
- */
+ 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 (curr_frq_in_khz != freq_to_set) {
- pr_err("(fmdrv): Current chip frequency(%d) is not matching"
- " with requested frequency(%d)", curr_frq_in_khz,
+ pr_info("(fmdrv): Frequency is set to (%d) but"
+ " requested frequency is (%d)\n", curr_frq_in_khz,
freq_to_set);
}
@@ -151,129 +147,175 @@ int fm_rx_set_frequency(struct fmdrv_ops *fmdev, unsigned int freq_to_set)
fm_rx_reset_curr_station_info(fmdev);
/* Do we need to reset anything else? */
-exit:
+
return ret;
}
+/* TODO: Enable this once the kernel moves to 2.6.36 or above*/
+#if 0
+static int fm_rx_set_channel_spacing(struct fmdrv_ops *fmdev,
+ unsigned int spacing)
+{
+ unsigned short payload;
+ int ret;
+
+ if (spacing == 0)
+ spacing = FM_CHANNEL_SPACING_50KHZ;
+ else 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.channel_spacing = spacing * FM_FREQ_MUL;
+
+ return ret;
+}
+#endif
int fm_rx_seek(struct fmdrv_ops *fmdev, unsigned int seek_upward,
- unsigned int wrap_around)
+ unsigned int wrap_around)
{
int resp_len;
unsigned short curr_frq, next_frq, last_frq;
unsigned short payload, int_reason;
- char offset, spacing;
+ char offset, spacing_index;
unsigned long timeleft;
- int ret, band_lmt_reach = 0;
+ int ret;
- if (fmdev->curr_fmmode != FM_MODE_RX) {
- ret = -EPERM;
- goto exit;
- }
+ if (fmdev->curr_fmmode != FM_MODE_RX)
+ return -EPERM;
+ /* TODO: Enable this once the kernel moves to 2.6.36 or above*/
+#if 0
+ /* Set channel spacing */
+ ret = fm_rx_set_channel_spacing(fmdev, spacing);
+ if (ret < 0) {
+ pr_err("(fmdrv): Failed to set channel spacing\n");
+ return ret;
+ }
+#endif
/* Read the current frequency from chip */
- ret = fmc_send_cmd(fmdev, FREQ_GET, NULL, sizeof(curr_frq),
- &fmdev->maintask_completion, &curr_frq, &resp_len);
- FM_CHECK_SEND_CMD_STATUS(ret);
-
- curr_frq = FM_BE16_TO_LE16(curr_frq);
+ 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_frequency -
- fmdev->rx.region.bottom_frequency) / FM_FREQ_MUL;
+ fmdev->rx.region.bottom_frequency) / FM_FREQ_MUL;
/* Check the offset in order to be aligned to the channel spacing*/
- spacing = fmdev->rx.region.channel_spacing / FM_FREQ_MUL;
- offset = curr_frq % spacing;
-
- next_frq = seek_upward ? curr_frq + spacing /* Seek Up */ :
- curr_frq - spacing /* Seek Down */ ;
+ spacing_index = fmdev->rx.region.channel_spacing / FM_FREQ_MUL;
+ offset = curr_frq % spacing_index;
- /* Add or subtract offset in order to stay aligned to the channel
- * spacing.
- */
+ next_frq = seek_upward ? curr_frq + spacing_index /* Seek Up */ :
+ curr_frq - spacing_index /* 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 */
- FM_STORE_LE16_TO_BE16(payload, next_frq);
- ret = fmc_send_cmd(fmdev, FREQ_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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) */
- FM_STORE_LE16_TO_BE16(payload, (seek_upward ? FM_SEARCH_DIRECTION_UP :
- FM_SEARCH_DIRECTION_DOWN));
- ret = fmc_send_cmd(fmdev, SEARCH_DIR_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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, NULL, 2,
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ ret = fmc_send_cmd(fmdev, FLAG_GET, REG_RD, NULL, 2,
+ NULL, NULL);
+ if (ret < 0)
+ return ret;
/* Enable FR, BL interrupts */
fmdev->irq_info.mask |= (FM_FR_EVENT | FM_BL_EVENT);
- FM_STORE_LE16_TO_BE16(payload, fmdev->irq_info.mask);
- ret = fmc_send_cmd(fmdev, INT_MASK_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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 */
- FM_STORE_LE16_TO_BE16(payload, FM_TUNER_AUTONOMOUS_SEARCH_MODE);
- ret = fmc_send_cmd(fmdev, TUNER_MODE_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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_completion);
timeleft = wait_for_completion_timeout(&fmdev->maintask_completion,
FM_DRV_RX_SEEK_TIMEOUT);
if (!timeleft) {
- pr_err("(fmdrv): Timeout(%d sec),didn't get tune ended int",
+ pr_err("(fmdrv): Timeout(%d sec),didn't get tune ended int\n",
jiffies_to_msecs(FM_DRV_RX_SEEK_TIMEOUT) / 1000);
- ret = -ETIMEDOUT;
- goto exit;
+ return -ETIMEDOUT;
}
- int_reason = fmdev->irq_info.flag & 0x3;
- if (fmdev->irq_info.flag & FM_BL_EVENT)
- band_lmt_reach = 1;
+ int_reason = fmdev->irq_info.flag & (FM_TUNE_COMPLETE | FM_BAND_LIMIT);
/* Re-enable default FM interrupts */
fmdev->irq_info.mask &= ~(FM_FR_EVENT | FM_BL_EVENT);
- FM_STORE_LE16_TO_BE16(payload, fmdev->irq_info.mask);
- ret = fmc_send_cmd(fmdev, INT_MASK_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
-
- if (band_lmt_reach == 1)
- fmdev->rx.curr_freq = seek_upward ?
- fmdev->rx.region.top_frequency :
- fmdev->rx.region.bottom_frequency;
- else {
- /* Read freq to know where operation tune operation stopped */
- ret = fmc_send_cmd(fmdev, FREQ_GET, NULL, 2,
- &fmdev->maintask_completion, &curr_frq, &resp_len);
- FM_CHECK_SEND_CMD_STATUS(ret);
-
- curr_frq = FM_BE16_TO_LE16(curr_frq);
- fmdev->rx.curr_freq = (fmdev->rx.region.bottom_frequency +
- ((unsigned int)curr_frq * FM_FREQ_MUL));
+ 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.curr_freq = seek_upward ?
+ fmdev->rx.region.top_frequency :
+ fmdev->rx.region.bottom_frequency;
+ } else {
+ fmdev->rx.curr_freq = seek_upward ?
+ fmdev->rx.region.bottom_frequency :
+ fmdev->rx.region.top_frequency;
+ /* Calculate frequency index to write */
+ next_frq = (fmdev->rx.curr_freq -
+ fmdev->rx.region.bottom_frequency) /
+ 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.curr_freq = (fmdev->rx.region.bottom_frequency +
+ ((unsigned int)curr_frq * FM_FREQ_MUL));
}
/* Reset RDS cache and current station pointers */
fm_rx_reset_rds_cache(fmdev);
fm_rx_reset_curr_station_info(fmdev);
- /* Return error if band limit is reached */
- if (int_reason & FM_BL_EVENT) {
- pr_info("(fmdrv): band limit reached\n");
- ret = -EAGAIN;
- }
-exit:
return ret;
}
@@ -285,17 +327,18 @@ int fm_rx_set_volume(struct fmdrv_ops *fmdev, unsigned short vol_to_set)
if (fmdev->curr_fmmode != FM_MODE_RX)
return -EPERM;
- if (vol_to_set > FM_RX_VOLUME_MAX) {
- pr_err("(fmdrv): Volume is not within(%d-%d) range",
+ if (vol_to_set < FM_RX_VOLUME_MIN || vol_to_set > FM_RX_VOLUME_MAX) {
+ pr_err("(fmdrv): 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;
- FM_STORE_LE16_TO_BE16(payload, vol_to_set);
- ret = fmc_send_cmd(fmdev, VOLUME_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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.curr_volume = vol_to_set;
return ret;
@@ -308,15 +351,17 @@ int fm_rx_get_volume(struct fmdrv_ops *fmdev, unsigned short *curr_vol)
return -EPERM;
if (curr_vol == NULL) {
- pr_err("(fmdrv): Invalid memory");
+ pr_err("(fmdrv): Invalid memory\n");
return -ENOMEM;
}
+
*curr_vol = fmdev->rx.curr_volume / FM_RX_VOLUME_GAIN_STEP;
+
return 0;
}
/* To get current band's bottom and top frequency */
-int fm_rx_get_currband_lowhigh_freq(struct fmdrv_ops *fmdev,
+int fm_rx_get_currband_freq_range(struct fmdrv_ops *fmdev,
unsigned int *bottom_frequency,
unsigned int *top_frequency)
{
@@ -329,54 +374,60 @@ int fm_rx_get_currband_lowhigh_freq(struct fmdrv_ops *fmdev,
return 0;
}
+/* Returns current band index (0-Europe/US; 1-Japan) */
+void fm_rx_get_region(struct fmdrv_ops *fmdev, unsigned char *region)
+{
+ *region = fmdev->rx.region.region_index;
+}
+
/* Sets band (0-Europe/US; 1-Japan) */
int fm_rx_set_region(struct fmdrv_ops *fmdev,
unsigned char region_to_set)
{
unsigned short payload;
- unsigned int new_frq;
+ unsigned int new_frq = 0;
int ret = -EPERM;
if (fmdev->curr_fmmode != FM_MODE_RX)
- goto exit;
+ return ret;
if (region_to_set != FM_BAND_EUROPE_US &&
region_to_set != FM_BAND_JAPAN) {
pr_err("(fmdrv): Invalid band\n");
- ret = -EINVAL;
- goto exit;
+ return -EINVAL;
}
+
if (fmdev->rx.region.region_index == region_to_set) {
pr_err("(fmdrv): Requested band is already configured\n");
- goto exit;
+ return ret;
}
+
/* Send cmd to set the band */
- FM_STORE_LE16_TO_BE16(payload, (unsigned short)region_to_set);
- ret = fmc_send_cmd(fmdev, RX_BAND_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ payload = (unsigned short)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->curr_fmmode == FM_MODE_RX) {
- new_frq = 0;
- if (fmdev->rx.curr_freq < fmdev->rx.region.bottom_frequency)
- new_frq = fmdev->rx.region.bottom_frequency;
- else if (fmdev->rx.curr_freq > fmdev->rx.region.top_frequency)
- new_frq = fmdev->rx.region.top_frequency;
-
- if (new_frq) {
- pr_info("(fmdrv): "
- "Current freq is not within band limit boundary,"
- "switching to %d KHz", new_frq);
- /* Current RX frequency is not
- * within boundary. So, update it
- */
- ret = fm_rx_set_frequency(fmdev, new_frq);
- }
+ if (fmdev->rx.curr_freq < fmdev->rx.region.bottom_frequency)
+ new_frq = fmdev->rx.region.bottom_frequency;
+ else if (fmdev->rx.curr_freq > fmdev->rx.region.top_frequency)
+ new_frq = fmdev->rx.region.top_frequency;
+
+ if (new_frq) {
+ pr_debug("(fmdrv): "
+ "Current freq is not within band limit boundary,"
+ "switching to %d KHz\n", new_frq);
+ /*
+ * Current RX frequency is not within boundary. So,
+ * update it.
+ */
+ ret = fm_rx_set_frequency(fmdev, new_frq);
}
-exit:
+
return ret;
}
@@ -388,10 +439,12 @@ int fm_rx_get_mute_mode(struct fmdrv_ops *fmdev,
return -EPERM;
if (curr_mute_mode == NULL) {
- pr_err("(fmdrv): Invalid memory");
+ pr_err("(fmdrv): Invalid memory\n");
return -ENOMEM;
}
+
*curr_mute_mode = fmdev->rx.curr_mute_mode;
+
return 0;
}
@@ -405,9 +458,11 @@ static int __fm_config_rx_mute_reg(struct fmdrv_ops *fmdev)
case FM_MUTE_ON:
muteval = FM_RX_MUTE_AC_MUTE_MODE;
break;
+
case FM_MUTE_OFF:
muteval = FM_RX_MUTE_UNMUTE_MODE;
break;
+
case FM_MUTE_ATTENUATE:
muteval = FM_RX_MUTE_SOFT_MUTE_FORCE_MODE;
break;
@@ -417,10 +472,12 @@ static int __fm_config_rx_mute_reg(struct fmdrv_ops *fmdev)
else
muteval &= ~FM_RX_MUTE_RF_DEP_MODE;
- FM_STORE_LE16_TO_BE16(payload, muteval);
- ret = fmc_send_cmd(fmdev, MUTE_STATUS_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ payload = muteval;
+ ret = fmc_send_cmd(fmdev, MUTE_STATUS_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
return 0;
}
@@ -445,6 +502,7 @@ int fm_rx_set_mute_mode(struct fmdrv_ops *fmdev,
fmdev->rx.curr_mute_mode = org_state;
return ret;
}
+
return 0;
}
@@ -455,12 +513,13 @@ int fm_rx_get_rfdepend_softmute(struct fmdrv_ops *fmdev,
if (fmdev->curr_fmmode != FM_MODE_RX)
return -EPERM;
-
if (curr_mute_mode == NULL) {
- pr_err("(fmdrv): Invalid memory");
+ pr_err("(fmdrv): Invalid memory\n");
return -ENOMEM;
}
+
*curr_mute_mode = fmdev->rx.curr_rf_depend_mute;
+
return 0;
}
@@ -474,10 +533,9 @@ int fm_rx_set_rfdepend_softmute(struct fmdrv_ops *fmdev,
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) {
- pr_err("(fmdrv): Invalid RF dependent soft mute");
+ pr_err("(fmdrv): Invalid RF dependent soft mute\n");
return -EINVAL;
}
if (fmdev->rx.curr_rf_depend_mute == rfdepend_mute)
@@ -491,6 +549,7 @@ int fm_rx_set_rfdepend_softmute(struct fmdrv_ops *fmdev,
fmdev->rx.curr_rf_depend_mute = org_state;
return ret;
}
+
return 0;
}
@@ -506,20 +565,22 @@ int fm_rx_get_rssi_level(struct fmdrv_ops *fmdev,
return -EPERM;
if (rssilvl == NULL) {
- pr_err("(fmdrv): Invalid memory");
+ pr_err("(fmdrv): Invalid memory\n");
return -ENOMEM;
}
/* Read current RSSI level */
- ret = fmc_send_cmd(fmdev, RSSI_LVL_GET, NULL, 2,
- &fmdev->maintask_completion, &curr_rssi_lel, &resp_len);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ ret = fmc_send_cmd(fmdev, RSSI_LVL_GET, REG_RD, NULL, 2,
+ &curr_rssi_lel, &resp_len);
+ if (ret < 0)
+ return ret;
- *rssilvl = FM_BE16_TO_LE16(curr_rssi_lel);
+ *rssilvl = be16_to_cpu(curr_rssi_lel);
return 0;
}
-/* Sets the signal strength level that once reached
+/*
+ * Sets the signal strength level that once reached
* will stop the auto search process
*/
int fm_rx_set_rssi_threshold(struct fmdrv_ops *fmdev,
@@ -533,13 +594,14 @@ int fm_rx_set_rssi_threshold(struct fmdrv_ops *fmdev,
if (rssi_lvl_toset < FM_RX_RSSI_THRESHOLD_MIN ||
rssi_lvl_toset > FM_RX_RSSI_THRESHOLD_MAX) {
- pr_err("(fmdrv): Invalid RSSI threshold level");
+ pr_err("(fmdrv): Invalid RSSI threshold level\n");
return -EINVAL;
}
- FM_STORE_LE16_TO_BE16(payload, (unsigned short)rssi_lvl_toset);
- ret = fmc_send_cmd(fmdev, SEARCH_LVL_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ payload = (unsigned short)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.curr_rssi_threshold = rssi_lvl_toset;
return 0;
@@ -552,10 +614,12 @@ int fm_rx_get_rssi_threshold(struct fmdrv_ops *fmdev, short *curr_rssi_lvl)
return -EPERM;
if (curr_rssi_lvl == NULL) {
- pr_err("(fmdrv): Invalid memory");
+ pr_err("(fmdrv): Invalid memory\n");
return -ENOMEM;
}
+
*curr_rssi_lvl = fmdev->rx.curr_rssi_threshold;
+
return 0;
}
@@ -569,20 +633,23 @@ int fm_rx_set_stereo_mono(struct fmdrv_ops *fmdev, unsigned short mode)
return -EPERM;
if (mode != FM_STEREO_MODE && mode != FM_MONO_MODE) {
- pr_err("(fmdrv): Invalid mode");
+ pr_err("(fmdrv): Invalid mode\n");
return -EINVAL;
}
+
/* Set stereo/mono mode */
- FM_STORE_LE16_TO_BE16(payload, (unsigned short)mode);
- ret = fmc_send_cmd(fmdev, MOST_MODE_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ payload = (unsigned short)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 */
- FM_STORE_LE16_TO_BE16(payload, FM_STEREO_SOFT_BLEND);
- ret = fmc_send_cmd(fmdev, MOST_BLEND_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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;
}
@@ -597,14 +664,17 @@ int fm_rx_get_stereo_mono(struct fmdrv_ops *fmdev, unsigned short *mode)
return -EPERM;
if (mode == NULL) {
- pr_err("(fmdrv): Invalid memory");
+ pr_err("(fmdrv): Invalid memory\n");
return -ENOMEM;
}
- ret = fmc_send_cmd(fmdev, MOST_MODE_GET, NULL, 2,
- &fmdev->maintask_completion, &curr_mode, &resp_len);
- FM_CHECK_SEND_CMD_STATUS(ret);
- *mode = FM_BE16_TO_LE16(curr_mode);
+ 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;
}
@@ -619,14 +689,17 @@ int fm_rx_set_deemphasis_mode(struct fmdrv_ops *fmdev, unsigned short mode)
if (mode != FM_RX_EMPHASIS_FILTER_50_USEC &&
mode != FM_RX_EMPHASIS_FILTER_75_USEC) {
- pr_err("(fmdrv): Invalid rx de-emphasis mode");
+ pr_err("(fmdrv): Invalid rx de-emphasis mode (%d)\n", mode);
return -EINVAL;
}
- FM_STORE_LE16_TO_BE16(payload, mode);
- ret = fmc_send_cmd(fmdev, DEMPH_MODE_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ payload = mode;
+ ret = fmc_send_cmd(fmdev, DEMPH_MODE_SET, REG_WR, &payload,
+ sizeof(payload), NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ fmdev->rx.curr_deemphasis_mode = mode;
return 0;
}
@@ -634,21 +707,16 @@ int fm_rx_set_deemphasis_mode(struct fmdrv_ops *fmdev, unsigned short mode)
int fm_rx_get_deemphasis_mode(struct fmdrv_ops *fmdev,
unsigned short *curr_deemphasis_mode)
{
- unsigned short curr_mode;
- int ret, resp_len;
-
if (fmdev->curr_fmmode != FM_MODE_RX)
return -EPERM;
if (curr_deemphasis_mode == NULL) {
- pr_err("(fmdrv): Invalid memory");
+ pr_err("(fmdrv): Invalid memory\n");
return -ENOMEM;
}
- ret = fmc_send_cmd(fmdev, DEMPH_MODE_GET, NULL, 2,
- &fmdev->maintask_completion, &curr_mode, &resp_len);
- FM_CHECK_SEND_CMD_STATUS(ret);
- *curr_deemphasis_mode = FM_BE16_TO_LE16(curr_mode);
+ *curr_deemphasis_mode = fmdev->rx.curr_deemphasis_mode;
+
return 0;
}
@@ -662,44 +730,48 @@ int fm_rx_set_rds_mode(struct fmdrv_ops *fmdev, unsigned char rds_en_dis)
return -EPERM;
if (rds_en_dis != FM_RDS_ENABLE && rds_en_dis != FM_RDS_DISABLE) {
- pr_err("(fmdrv): Invalid rds option");
+ pr_err("(fmdrv): Invalid rds option\n");
return -EINVAL;
}
+
if (rds_en_dis == FM_RDS_ENABLE
&& fmdev->rx.rds.flag == FM_RDS_DISABLE) {
- /* Turn on RX RDS */
- /* Turn on RDS circuit */
- FM_STORE_LE16_TO_BE16(payload,
- FM_RX_POWET_SET_FM_AND_RDS_BLK_ON);
- ret = fmc_send_cmd(fmdev, POWER_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
-
- /* Clear and rest RDS FIFO */
- FM_STORE_LE16_TO_BE16(payload, FM_RX_RDS_FLUSH_FIFO);
- ret = fmc_send_cmd(fmdev, RDS_CNTRL_SET, &payload,
- sizeof(payload), &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
-
- /* Read flags - just to clear any
- * pending interrupts if we had
- */
- ret = fmc_send_cmd(fmdev, FLAG_GET, NULL, 2,
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ /* Turn on RX RDS and RDS circuit */
+ payload = FM_RX_POWET_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 */
- FM_STORE_LE16_TO_BE16(payload, FM_RX_RDS_FIFO_THRESHOLD);
- ret = fmc_send_cmd(fmdev, RDS_MEM_SET, &payload,
- sizeof(payload), &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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;
- FM_STORE_LE16_TO_BE16(payload, fmdev->irq_info.mask);
- ret = fmc_send_cmd(fmdev, INT_MASK_SET, &payload,
- sizeof(payload), &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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;
@@ -707,10 +779,11 @@ int fm_rx_set_rds_mode(struct fmdrv_ops *fmdev, unsigned char rds_en_dis)
&& fmdev->rx.rds.flag == FM_RDS_ENABLE) {
/* Turn off RX RDS */
/* Turn off RDS circuit */
- FM_STORE_LE16_TO_BE16(payload, FM_RX_POWER_SET_FM_ON_RDS_OFF);
- ret = fmc_send_cmd(fmdev, POWER_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ payload = FM_RX_POWER_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_block_index = 0;
@@ -722,6 +795,7 @@ int fm_rx_set_rds_mode(struct fmdrv_ops *fmdev, unsigned char rds_en_dis)
fmdev->irq_info.mask &= ~(FM_RDS_EVENT);
fmdev->rx.rds.flag = FM_RDS_DISABLE;
}
+
return 0;
}
@@ -733,10 +807,12 @@ int fm_rx_get_rds_mode(struct fmdrv_ops *fmdev,
return -EPERM;
if (curr_rds_en_dis == NULL) {
- pr_err("(fmdrv): Invalid memory");
+ pr_err("(fmdrv): Invalid memory\n");
return -ENOMEM;
}
+
*curr_rds_en_dis = fmdev->rx.rds.flag;
+
return 0;
}
@@ -750,16 +826,18 @@ int fm_rx_set_rds_system(struct fmdrv_ops *fmdev, unsigned char rds_mode)
return -EPERM;
if (rds_mode != FM_RDS_SYSTEM_RDS && rds_mode != FM_RDS_SYSTEM_RBDS) {
- pr_err("(fmdrv): Invalid rds mode");
+ pr_err("(fmdrv): Invalid rds mode\n");
return -EINVAL;
}
/* Set RDS operation mode */
- FM_STORE_LE16_TO_BE16(payload, (unsigned short)rds_mode);
- ret = fmc_send_cmd(fmdev, RDS_SYSTEM_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ payload = (unsigned short)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;
}
@@ -771,10 +849,12 @@ int fm_rx_get_rds_system(struct fmdrv_ops *fmdev,
return -EPERM;
if (rds_mode == NULL) {
- pr_err("(fmdrv): Invalid memory");
+ pr_err("(fmdrv): Invalid memory\n");
return -ENOMEM;
}
+
*rds_mode = fmdev->rx.rds_mode;
+
return 0;
}
@@ -789,7 +869,7 @@ int fm_rx_set_af_switch(struct fmdrv_ops *fmdev, unsigned char af_mode)
if (af_mode != FM_RX_RDS_AF_SWITCH_MODE_ON &&
af_mode != FM_RX_RDS_AF_SWITCH_MODE_OFF) {
- pr_err("(fmdrv): Invalid af mode");
+ pr_err("(fmdrv): Invalid af mode\n");
return -EINVAL;
}
/* Enable/disable low RSSI interrupt based on af_mode */
@@ -798,12 +878,14 @@ int fm_rx_set_af_switch(struct fmdrv_ops *fmdev, unsigned char af_mode)
else
fmdev->irq_info.mask &= ~FM_LEV_EVENT;
- FM_STORE_LE16_TO_BE16(payload, fmdev->irq_info.mask);
- ret = fmc_send_cmd(fmdev, INT_MASK_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- FM_CHECK_SEND_CMD_STATUS(ret);
+ 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;
}
@@ -814,51 +896,11 @@ int fm_rx_get_af_switch(struct fmdrv_ops *fmdev, unsigned char *af_mode)
return -EPERM;
if (af_mode == NULL) {
- pr_err("(fmdrv): Invalid memory");
- return -ENOMEM;
- }
- *af_mode = fmdev->rx.af_mode;
- return 0;
-}
-
-/* Set desired channel spacing */
-int fm_rx_set_chanl_spacing(struct fmdrv_ops *fmdev, unsigned char spacing)
-{
- unsigned short payload;
- int ret;
-
- if (spacing != FM_CHANNEL_SPACING_50KHZ &&
- spacing != FM_CHANNEL_SPACING_100KHZ &&
- spacing != FM_CHANNEL_SPACING_200KHZ) {
- pr_err("Invalid channel spacing");
- return -EINVAL;
- }
-
- /* set channel spacing */
- FM_STORE_LE16_TO_BE16(payload, spacing);
-
- ret = fmc_send_cmd(fmdev, CHANL_BW_SET, &payload, sizeof(payload),
- &fmdev->maintask_completion, NULL, NULL);
- if (ret < 0)
- return ret;
-
- fmdev->rx.region.channel_spacing = spacing * FM_FREQ_MUL;
-
- return 0;
-}
-
-/* Get channel spacing */
-int fm_rx_get_chanl_spacing(struct fmdrv_ops *fmdev, unsigned char *spacing)
-{
- if (fmdev->curr_fmmode != FM_MODE_RX)
- return -EPERM;
-
- if (spacing == NULL) {
- pr_err("Invalid memory");
+ pr_err("(fmdrv): Invalid memory\n");
return -ENOMEM;
}
- *spacing = fmdev->rx.region.channel_spacing / FM_FREQ_MUL;
+ *af_mode = fmdev->rx.af_mode;
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-29 23:32:38 +0000