msm: board-msm7627a-bt: Create separate board file for BT-FM
Change-Id: I1e858a8074692ddc97a413595602a7d1d202e472
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-msm7627a-bt.c b/arch/arm/mach-msm/board-msm7627a-bt.c
new file mode 100644
index 0000000..dca9b8b
--- /dev/null
+++ b/arch/arm/mach-msm/board-msm7627a-bt.c
@@ -0,0 +1,966 @@
+/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only 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.
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/rfkill.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/mfd/marimba.h>
+#include <linux/io.h>
+#include <asm/gpio.h>
+#include <asm/mach-types.h>
+#include <mach/rpc_pmapp.h>
+
+#include "board-msm7627a.h"
+#include "devices-msm7x2xa.h"
+
+#if defined(CONFIG_BT) && defined(CONFIG_MARIMBA_CORE)
+
+
+static struct bt_vreg_info bt_vregs[] = {
+ {"msme1", 2, 1800000, 1800000, 0, NULL},
+ {"bt", 21, 2900000, 3300000, 1, NULL}
+};
+
+struct platform_device msm_bt_power_device = {
+ .name = "bt_power",
+};
+
+static unsigned bt_config_power_on[] = {
+ /*RFR*/
+ GPIO_CFG(43, 2, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ /*CTS*/
+ GPIO_CFG(44, 2, GPIO_CFG_INPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ /*RX*/
+ GPIO_CFG(45, 2, GPIO_CFG_INPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ /*TX*/
+ GPIO_CFG(46, 2, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+};
+static unsigned bt_config_pcm_on[] = {
+ /*PCM_DOUT*/
+ GPIO_CFG(68, 1, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ /*PCM_DIN*/
+ GPIO_CFG(69, 1, GPIO_CFG_INPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ /*PCM_SYNC*/
+ GPIO_CFG(70, 1, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ /*PCM_CLK*/
+ GPIO_CFG(71, 1, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+};
+static unsigned bt_config_power_off[] = {
+ /*RFR*/
+ GPIO_CFG(43, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ /*CTS*/
+ GPIO_CFG(44, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ /*RX*/
+ GPIO_CFG(45, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ /*TX*/
+ GPIO_CFG(46, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+};
+static unsigned bt_config_pcm_off[] = {
+ /*PCM_DOUT*/
+ GPIO_CFG(68, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ /*PCM_DIN*/
+ GPIO_CFG(69, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ /*PCM_SYNC*/
+ GPIO_CFG(70, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ /*PCM_CLK*/
+ GPIO_CFG(71, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+};
+
+static unsigned fm_i2s_config_power_on[] = {
+ /*FM_I2S_SD*/
+ GPIO_CFG(68, 1, GPIO_CFG_INPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ /*FM_I2S_WS*/
+ GPIO_CFG(70, 1, GPIO_CFG_INPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+ /*FM_I2S_SCK*/
+ GPIO_CFG(71, 1, GPIO_CFG_INPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
+};
+
+static unsigned fm_i2s_config_power_off[] = {
+ /*FM_I2S_SD*/
+ GPIO_CFG(68, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ /*FM_I2S_WS*/
+ GPIO_CFG(70, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+ /*FM_I2S_SCK*/
+ GPIO_CFG(71, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
+};
+
+int gpio_bt_sys_rest_en = 133;
+static void gpio_bt_config(void)
+{
+ if (machine_is_msm7627a_qrd1())
+ gpio_bt_sys_rest_en = 114;
+}
+
+static int bt_set_gpio(int on)
+{
+ int rc = 0;
+ struct marimba config = { .mod_id = SLAVE_ID_BAHAMA};
+
+ if (on) {
+ rc = gpio_direction_output(gpio_bt_sys_rest_en, 1);
+ msleep(100);
+ } else {
+ if (!marimba_get_fm_status(&config) &&
+ !marimba_get_bt_status(&config)) {
+ gpio_set_value_cansleep(gpio_bt_sys_rest_en, 0);
+ rc = gpio_direction_input(gpio_bt_sys_rest_en);
+ msleep(100);
+ }
+ }
+ if (rc)
+ pr_err("%s: BT sys_reset_en GPIO : Error", __func__);
+
+ return rc;
+}
+
+static struct regulator *fm_regulator;
+static int fm_radio_setup(struct marimba_fm_platform_data *pdata)
+{
+ int rc = 0;
+ const char *id = "FMPW";
+ uint32_t irqcfg;
+ struct marimba config = { .mod_id = SLAVE_ID_BAHAMA};
+ u8 value;
+
+ /* Voting for 1.8V Regulator */
+ fm_regulator = regulator_get(NULL , "msme1");
+ if (IS_ERR(fm_regulator)) {
+ rc = PTR_ERR(fm_regulator);
+ pr_err("%s: could not get regulator: %d\n", __func__, rc);
+ goto out;
+ }
+
+ /* Set the voltage level to 1.8V */
+ rc = regulator_set_voltage(fm_regulator, 1800000, 1800000);
+ if (rc < 0) {
+ pr_err("%s: could not set voltage: %d\n", __func__, rc);
+ goto reg_free;
+ }
+
+ /* Enabling the 1.8V regulator */
+ rc = regulator_enable(fm_regulator);
+ if (rc) {
+ pr_err("%s: could not enable regulator: %d\n", __func__, rc);
+ goto reg_free;
+ }
+
+ /* Voting for 19.2MHz clock */
+ rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_D1,
+ PMAPP_CLOCK_VOTE_ON);
+ if (rc < 0) {
+ pr_err("%s: clock vote failed with :(%d)\n",
+ __func__, rc);
+ goto reg_disable;
+ }
+
+ rc = bt_set_gpio(1);
+ if (rc) {
+ pr_err("%s: bt_set_gpio = %d", __func__, rc);
+ goto gpio_deconfig;
+ }
+ /*re-write FM Slave Id, after reset*/
+ value = BAHAMA_SLAVE_ID_FM_ADDR;
+ rc = marimba_write_bit_mask(&config,
+ BAHAMA_SLAVE_ID_FM_REG, &value, 1, 0xFF);
+ if (rc < 0) {
+ pr_err("%s: FM Slave ID rewrite Failed = %d", __func__, rc);
+ goto gpio_deconfig;
+ }
+ /* Configuring the FM GPIO */
+ irqcfg = GPIO_CFG(FM_GPIO, 0, GPIO_CFG_INPUT, GPIO_CFG_NO_PULL,
+ GPIO_CFG_2MA);
+
+ rc = gpio_tlmm_config(irqcfg, GPIO_CFG_ENABLE);
+ if (rc) {
+ pr_err("%s: gpio_tlmm_config(%#x)=%d\n",
+ __func__, irqcfg, rc);
+ goto gpio_deconfig;
+ }
+
+ return 0;
+
+gpio_deconfig:
+ pmapp_clock_vote(id, PMAPP_CLOCK_ID_D1,
+ PMAPP_CLOCK_VOTE_OFF);
+ bt_set_gpio(0);
+reg_disable:
+ regulator_disable(fm_regulator);
+reg_free:
+ regulator_put(fm_regulator);
+ fm_regulator = NULL;
+out:
+ return rc;
+};
+
+static void fm_radio_shutdown(struct marimba_fm_platform_data *pdata)
+{
+ int rc;
+ const char *id = "FMPW";
+
+ /* Releasing the GPIO line used by FM */
+ uint32_t irqcfg = GPIO_CFG(FM_GPIO, 0, GPIO_CFG_INPUT,
+ GPIO_CFG_PULL_UP, GPIO_CFG_2MA);
+
+ rc = gpio_tlmm_config(irqcfg, GPIO_CFG_ENABLE);
+ if (rc)
+ pr_err("%s: gpio_tlmm_config(%#x)=%d\n",
+ __func__, irqcfg, rc);
+
+ /* Releasing the 1.8V Regulator */
+ if (!IS_ERR_OR_NULL(fm_regulator)) {
+ rc = regulator_disable(fm_regulator);
+ if (rc)
+ pr_err("%s: could not disable regulator: %d\n",
+ __func__, rc);
+ regulator_put(fm_regulator);
+ fm_regulator = NULL;
+ }
+
+ /* Voting off the clock */
+ rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_D1,
+ PMAPP_CLOCK_VOTE_OFF);
+ if (rc < 0)
+ pr_err("%s: voting off failed with :(%d)\n",
+ __func__, rc);
+ rc = bt_set_gpio(0);
+ if (rc)
+ pr_err("%s: bt_set_gpio = %d", __func__, rc);
+}
+static int switch_pcm_i2s_reg_mode(int mode)
+{
+ unsigned char reg = 0;
+ int rc = -1;
+ unsigned char set = I2C_PIN_CTL; /*SET PIN CTL mode*/
+ unsigned char unset = I2C_NORMAL; /* UNSET PIN CTL MODE*/
+ struct marimba config = { .mod_id = SLAVE_ID_BAHAMA};
+
+ if (mode == 0) {
+ /* as we need to switch path to FM we need to move
+ BT AUX PCM lines to PIN CONTROL mode then move
+ FM to normal mode.*/
+ for (reg = BT_PCM_BCLK_MODE; reg <= BT_PCM_SYNC_MODE; reg++) {
+ rc = marimba_write(&config, reg, &set, 1);
+ if (rc < 0) {
+ pr_err("pcm pinctl failed = %d", rc);
+ goto err_all;
+ }
+ }
+ for (reg = FM_I2S_SD_MODE; reg <= FM_I2S_SCK_MODE; reg++) {
+ rc = marimba_write(&config, reg, &unset, 1);
+ if (rc < 0) {
+ pr_err("i2s normal failed = %d", rc);
+ goto err_all;
+ }
+ }
+ } else {
+ /* as we need to switch path to AUXPCM we need to move
+ FM I2S lines to PIN CONTROL mode then move
+ BT AUX_PCM to normal mode.*/
+ for (reg = FM_I2S_SD_MODE; reg <= FM_I2S_SCK_MODE; reg++) {
+ rc = marimba_write(&config, reg, &set, 1);
+ if (rc < 0) {
+ pr_err("i2s pinctl failed = %d", rc);
+ goto err_all;
+ }
+ }
+ for (reg = BT_PCM_BCLK_MODE; reg <= BT_PCM_SYNC_MODE; reg++) {
+ rc = marimba_write(&config, reg, &unset, 1);
+ if (rc < 0) {
+ pr_err("pcm normal failed = %d", rc);
+ goto err_all;
+ }
+ }
+ }
+
+ return 0;
+
+err_all:
+ return rc;
+}
+
+
+static void config_pcm_i2s_mode(int mode)
+{
+ void __iomem *cfg_ptr;
+ u8 reg2;
+
+ cfg_ptr = ioremap_nocache(FPGA_MSM_CNTRL_REG2, sizeof(char));
+
+ if (!cfg_ptr)
+ return;
+ if (mode) {
+ /*enable the pcm mode in FPGA*/
+ reg2 = readb_relaxed(cfg_ptr);
+ if (reg2 == 0) {
+ reg2 = 1;
+ writeb_relaxed(reg2, cfg_ptr);
+ }
+ } else {
+ /*enable i2s mode in FPGA*/
+ reg2 = readb_relaxed(cfg_ptr);
+ if (reg2 == 1) {
+ reg2 = 0;
+ writeb_relaxed(reg2, cfg_ptr);
+ }
+ }
+ iounmap(cfg_ptr);
+}
+
+static int config_i2s(int mode)
+{
+ int pin, rc = 0;
+
+ if (mode == FM_I2S_ON) {
+ if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf())
+ config_pcm_i2s_mode(0);
+ pr_err("%s mode = FM_I2S_ON", __func__);
+
+ rc = switch_pcm_i2s_reg_mode(0);
+ if (rc) {
+ pr_err("switch mode failed");
+ return rc;
+ }
+ for (pin = 0; pin < ARRAY_SIZE(fm_i2s_config_power_on);
+ pin++) {
+ rc = gpio_tlmm_config(
+ fm_i2s_config_power_on[pin],
+ GPIO_CFG_ENABLE
+ );
+ if (rc < 0)
+ return rc;
+ }
+ } else if (mode == FM_I2S_OFF) {
+ pr_err("%s mode = FM_I2S_OFF", __func__);
+ rc = switch_pcm_i2s_reg_mode(1);
+ if (rc) {
+ pr_err("switch mode failed");
+ return rc;
+ }
+ for (pin = 0; pin < ARRAY_SIZE(fm_i2s_config_power_off);
+ pin++) {
+ rc = gpio_tlmm_config(
+ fm_i2s_config_power_off[pin],
+ GPIO_CFG_ENABLE
+ );
+ if (rc < 0)
+ return rc;
+ }
+ }
+ return rc;
+}
+
+static int config_pcm(int mode)
+{
+ int pin, rc = 0;
+
+ if (mode == BT_PCM_ON) {
+ if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf())
+ config_pcm_i2s_mode(1);
+ pr_err("%s mode =BT_PCM_ON", __func__);
+ rc = switch_pcm_i2s_reg_mode(1);
+ if (rc) {
+ pr_err("switch mode failed");
+ return rc;
+ }
+ for (pin = 0; pin < ARRAY_SIZE(bt_config_pcm_on);
+ pin++) {
+ rc = gpio_tlmm_config(bt_config_pcm_on[pin],
+ GPIO_CFG_ENABLE);
+ if (rc < 0)
+ return rc;
+ }
+ } else if (mode == BT_PCM_OFF) {
+ pr_err("%s mode =BT_PCM_OFF", __func__);
+ rc = switch_pcm_i2s_reg_mode(0);
+ if (rc) {
+ pr_err("switch mode failed");
+ return rc;
+ }
+ for (pin = 0; pin < ARRAY_SIZE(bt_config_pcm_off);
+ pin++) {
+ rc = gpio_tlmm_config(bt_config_pcm_off[pin],
+ GPIO_CFG_ENABLE);
+ if (rc < 0)
+ return rc;
+ }
+
+ }
+
+ return rc;
+}
+
+static int msm_bahama_setup_pcm_i2s(int mode)
+{
+ int fm_state = 0, bt_state = 0;
+ int rc = 0;
+ struct marimba config = { .mod_id = SLAVE_ID_BAHAMA};
+
+ fm_state = marimba_get_fm_status(&config);
+ bt_state = marimba_get_bt_status(&config);
+
+ switch (mode) {
+ case BT_PCM_ON:
+ case BT_PCM_OFF:
+ if (!fm_state)
+ rc = config_pcm(mode);
+ break;
+ case FM_I2S_ON:
+ rc = config_i2s(mode);
+ break;
+ case FM_I2S_OFF:
+ if (bt_state)
+ rc = config_pcm(BT_PCM_ON);
+ else
+ rc = config_i2s(mode);
+ break;
+ default:
+ rc = -EIO;
+ pr_err("%s:Unsupported mode", __func__);
+ }
+ return rc;
+}
+
+static int bahama_bt(int on)
+{
+ int rc = 0;
+ int i;
+
+ struct marimba config = { .mod_id = SLAVE_ID_BAHAMA};
+
+ struct bahama_variant_register {
+ const size_t size;
+ const struct bahama_config_register *set;
+ };
+
+ const struct bahama_config_register *p;
+
+ u8 version;
+
+ const struct bahama_config_register v10_bt_on[] = {
+ { 0xE9, 0x00, 0xFF },
+ { 0xF4, 0x80, 0xFF },
+ { 0xE4, 0x00, 0xFF },
+ { 0xE5, 0x00, 0x0F },
+#ifdef CONFIG_WLAN
+ { 0xE6, 0x38, 0x7F },
+ { 0xE7, 0x06, 0xFF },
+#endif
+ { 0xE9, 0x21, 0xFF },
+ { 0x01, 0x0C, 0x1F },
+ { 0x01, 0x08, 0x1F },
+ };
+
+ const struct bahama_config_register v20_bt_on_fm_off[] = {
+ { 0x11, 0x0C, 0xFF },
+ { 0x13, 0x01, 0xFF },
+ { 0xF4, 0x80, 0xFF },
+ { 0xF0, 0x00, 0xFF },
+ { 0xE9, 0x00, 0xFF },
+#ifdef CONFIG_WLAN
+ { 0x81, 0x00, 0x7F },
+ { 0x82, 0x00, 0xFF },
+ { 0xE6, 0x38, 0x7F },
+ { 0xE7, 0x06, 0xFF },
+#endif
+ { 0x8E, 0x15, 0xFF },
+ { 0x8F, 0x15, 0xFF },
+ { 0x90, 0x15, 0xFF },
+
+ { 0xE9, 0x21, 0xFF },
+ };
+
+ const struct bahama_config_register v20_bt_on_fm_on[] = {
+ { 0x11, 0x0C, 0xFF },
+ { 0x13, 0x01, 0xFF },
+ { 0xF4, 0x86, 0xFF },
+ { 0xF0, 0x06, 0xFF },
+ { 0xE9, 0x00, 0xFF },
+#ifdef CONFIG_WLAN
+ { 0x81, 0x00, 0x7F },
+ { 0x82, 0x00, 0xFF },
+ { 0xE6, 0x38, 0x7F },
+ { 0xE7, 0x06, 0xFF },
+#endif
+ { 0xE9, 0x21, 0xFF },
+ };
+
+ const struct bahama_config_register v10_bt_off[] = {
+ { 0xE9, 0x00, 0xFF },
+ };
+
+ const struct bahama_config_register v20_bt_off_fm_off[] = {
+ { 0xF4, 0x84, 0xFF },
+ { 0xF0, 0x04, 0xFF },
+ { 0xE9, 0x00, 0xFF }
+ };
+
+ const struct bahama_config_register v20_bt_off_fm_on[] = {
+ { 0xF4, 0x86, 0xFF },
+ { 0xF0, 0x06, 0xFF },
+ { 0xE9, 0x00, 0xFF }
+ };
+
+ const struct bahama_variant_register bt_bahama[2][3] = {
+ {
+ { ARRAY_SIZE(v10_bt_off), v10_bt_off },
+ { ARRAY_SIZE(v20_bt_off_fm_off), v20_bt_off_fm_off },
+ { ARRAY_SIZE(v20_bt_off_fm_on), v20_bt_off_fm_on }
+ },
+ {
+ { ARRAY_SIZE(v10_bt_on), v10_bt_on },
+ { ARRAY_SIZE(v20_bt_on_fm_off), v20_bt_on_fm_off },
+ { ARRAY_SIZE(v20_bt_on_fm_on), v20_bt_on_fm_on }
+ }
+ };
+
+ u8 offset = 0; /* index into bahama configs */
+ on = on ? 1 : 0;
+ version = marimba_read_bahama_ver(&config);
+ if ((int)version < 0 || version == BAHAMA_VER_UNSUPPORTED) {
+ dev_err(&msm_bt_power_device.dev, "%s : Bahama "
+ "version read Error, version = %d\n",
+ __func__, version);
+ return -EIO;
+ }
+
+ if (version == BAHAMA_VER_2_0) {
+ if (marimba_get_fm_status(&config))
+ offset = 0x01;
+ }
+
+ p = bt_bahama[on][version + offset].set;
+
+ dev_info(&msm_bt_power_device.dev,
+ "%s: found version %d\n", __func__, version);
+
+ for (i = 0; i < bt_bahama[on][version + offset].size; i++) {
+ u8 value = (p+i)->value;
+ rc = marimba_write_bit_mask(&config,
+ (p+i)->reg,
+ &value,
+ sizeof((p+i)->value),
+ (p+i)->mask);
+ if (rc < 0) {
+ dev_err(&msm_bt_power_device.dev,
+ "%s: reg %x write failed: %d\n",
+ __func__, (p+i)->reg, rc);
+ return rc;
+ }
+ dev_dbg(&msm_bt_power_device.dev,
+ "%s: reg 0x%02x write value 0x%02x mask 0x%02x\n",
+ __func__, (p+i)->reg,
+ value, (p+i)->mask);
+ value = 0;
+ rc = marimba_read_bit_mask(&config,
+ (p+i)->reg, &value,
+ sizeof((p+i)->value), (p+i)->mask);
+ if (rc < 0)
+ dev_err(&msm_bt_power_device.dev,
+ "%s marimba_read_bit_mask- error",
+ __func__);
+ dev_dbg(&msm_bt_power_device.dev,
+ "%s: reg 0x%02x read value 0x%02x mask 0x%02x\n",
+ __func__, (p+i)->reg,
+ value, (p+i)->mask);
+ }
+ /* Update BT Status */
+ if (on)
+ marimba_set_bt_status(&config, true);
+ else
+ marimba_set_bt_status(&config, false);
+ return rc;
+}
+
+static int bluetooth_switch_regulators(int on)
+{
+ int i, rc = 0;
+ const char *id = "BTPW";
+
+ for (i = 0; i < ARRAY_SIZE(bt_vregs); i++) {
+ if (IS_ERR_OR_NULL(bt_vregs[i].reg)) {
+ rc = bt_vregs[i].reg ?
+ PTR_ERR(bt_vregs[i].reg) :
+ -ENODEV;
+ dev_err(&msm_bt_power_device.dev,
+ "%s: invalid regulator handle for %s: %d\n",
+ __func__, bt_vregs[i].name, rc);
+ goto reg_disable;
+ }
+
+ rc = on ? regulator_set_voltage(bt_vregs[i].reg,
+ bt_vregs[i].min_level,
+ bt_vregs[i].max_level) : 0;
+ if (rc) {
+ dev_err(&msm_bt_power_device.dev,
+ "%s: could not set voltage for %s: %d\n",
+ __func__, bt_vregs[i].name, rc);
+ goto reg_disable;
+ }
+
+ rc = on ? regulator_enable(bt_vregs[i].reg) : 0;
+ if (rc) {
+ dev_err(&msm_bt_power_device.dev,
+ "%s: could not %sable regulator %s: %d\n",
+ __func__, "en", bt_vregs[i].name, rc);
+ goto reg_disable;
+ }
+
+ if (bt_vregs[i].is_pin_controlled) {
+ rc = pmapp_vreg_lpm_pincntrl_vote(id,
+ bt_vregs[i].pmapp_id,
+ PMAPP_CLOCK_ID_D1,
+ on ? PMAPP_CLOCK_VOTE_ON :
+ PMAPP_CLOCK_VOTE_OFF);
+ if (rc) {
+ dev_err(&msm_bt_power_device.dev,
+ "%s: pin control failed for %s: %d\n",
+ __func__, bt_vregs[i].name, rc);
+ goto pin_cnt_fail;
+ }
+ }
+ rc = on ? 0 : regulator_disable(bt_vregs[i].reg);
+
+ if (rc) {
+ dev_err(&msm_bt_power_device.dev,
+ "%s: could not %sable regulator %s: %d\n",
+ __func__, "dis", bt_vregs[i].name, rc);
+ goto reg_disable;
+ }
+ }
+
+ return rc;
+pin_cnt_fail:
+ if (on)
+ regulator_disable(bt_vregs[i].reg);
+reg_disable:
+ while (i) {
+ if (on) {
+ i--;
+ regulator_disable(bt_vregs[i].reg);
+ regulator_put(bt_vregs[i].reg);
+ }
+ }
+ return rc;
+}
+
+static struct regulator *reg_s3;
+static unsigned int msm_bahama_setup_power(void)
+{
+ int rc = 0;
+
+ reg_s3 = regulator_get(NULL, "msme1");
+ if (IS_ERR(reg_s3)) {
+ rc = PTR_ERR(reg_s3);
+ pr_err("%s: could not get regulator: %d\n", __func__, rc);
+ goto out;
+ }
+
+ rc = regulator_set_voltage(reg_s3, 1800000, 1800000);
+ if (rc < 0) {
+ pr_err("%s: could not set voltage: %d\n", __func__, rc);
+ goto reg_fail;
+ }
+
+ rc = regulator_enable(reg_s3);
+ if (rc < 0) {
+ pr_err("%s: could not enable regulator: %d\n", __func__, rc);
+ goto reg_fail;
+ }
+ if (machine_is_msm7627a_qrd1())
+ gpio_tlmm_config(GPIO_CFG(gpio_bt_sys_rest_en, 0,
+ GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL,
+ GPIO_CFG_2MA), GPIO_CFG_ENABLE);
+
+
+ /*setup Bahama_sys_reset_n*/
+ rc = gpio_request(gpio_bt_sys_rest_en, "bahama sys_rst_n");
+ if (rc < 0) {
+ pr_err("%s: gpio_request %d = %d\n", __func__,
+ gpio_bt_sys_rest_en, rc);
+ goto reg_disable;
+ }
+
+ rc = bt_set_gpio(1);
+ if (rc < 0) {
+ pr_err("%s: bt_set_gpio %d = %d\n", __func__,
+ gpio_bt_sys_rest_en, rc);
+ goto gpio_fail;
+ }
+
+ return rc;
+
+gpio_fail:
+ gpio_free(gpio_bt_sys_rest_en);
+reg_disable:
+ regulator_disable(reg_s3);
+reg_fail:
+ regulator_put(reg_s3);
+out:
+ reg_s3 = NULL;
+ return rc;
+}
+
+static unsigned int msm_bahama_shutdown_power(int value)
+{
+ int rc = 0;
+
+ if (IS_ERR_OR_NULL(reg_s3)) {
+ rc = reg_s3 ? PTR_ERR(reg_s3) : -ENODEV;
+ goto out;
+ }
+
+ rc = regulator_disable(reg_s3);
+ if (rc) {
+ pr_err("%s: could not disable regulator: %d\n", __func__, rc);
+ goto out;
+ }
+
+ if (value == BAHAMA_ID) {
+ rc = bt_set_gpio(0);
+ if (rc) {
+ pr_err("%s: bt_set_gpio = %d\n",
+ __func__, rc);
+ goto reg_enable;
+ }
+ gpio_free(gpio_bt_sys_rest_en);
+ }
+
+ regulator_put(reg_s3);
+ reg_s3 = NULL;
+
+ return 0;
+
+reg_enable:
+ regulator_enable(reg_s3);
+out:
+ return rc;
+}
+
+static unsigned int msm_bahama_core_config(int type)
+{
+ int rc = 0;
+
+ if (type == BAHAMA_ID) {
+ int i;
+ struct marimba config = { .mod_id = SLAVE_ID_BAHAMA};
+ const struct bahama_config_register v20_init[] = {
+ /* reg, value, mask */
+ { 0xF4, 0x84, 0xFF }, /* AREG */
+ { 0xF0, 0x04, 0xFF } /* DREG */
+ };
+ if (marimba_read_bahama_ver(&config) == BAHAMA_VER_2_0) {
+ for (i = 0; i < ARRAY_SIZE(v20_init); i++) {
+ u8 value = v20_init[i].value;
+ rc = marimba_write_bit_mask(&config,
+ v20_init[i].reg,
+ &value,
+ sizeof(v20_init[i].value),
+ v20_init[i].mask);
+ if (rc < 0) {
+ pr_err("%s: reg %d write failed: %d\n",
+ __func__, v20_init[i].reg, rc);
+ return rc;
+ }
+ pr_debug("%s: reg 0x%02x value 0x%02x"
+ " mask 0x%02x\n",
+ __func__, v20_init[i].reg,
+ v20_init[i].value, v20_init[i].mask);
+ }
+ }
+ }
+ rc = bt_set_gpio(0);
+ if (rc) {
+ pr_err("%s: bt_set_gpio = %d\n",
+ __func__, rc);
+ }
+ pr_debug("core type: %d\n", type);
+ return rc;
+}
+
+static int bluetooth_power(int on)
+{
+ int pin, rc = 0;
+ const char *id = "BTPW";
+ int cid = 0;
+
+ cid = adie_get_detected_connectivity_type();
+ if (cid != BAHAMA_ID) {
+ pr_err("%s: unexpected adie connectivity type: %d\n",
+ __func__, cid);
+ return -ENODEV;
+ }
+ if (on) {
+ /*setup power for BT SOC*/
+ rc = bt_set_gpio(on);
+ if (rc) {
+ pr_err("%s: bt_set_gpio = %d\n",
+ __func__, rc);
+ goto exit;
+ }
+ rc = bluetooth_switch_regulators(on);
+ if (rc < 0) {
+ pr_err("%s: bluetooth_switch_regulators rc = %d",
+ __func__, rc);
+ goto exit;
+ }
+ /*setup BT GPIO lines*/
+ for (pin = 0; pin < ARRAY_SIZE(bt_config_power_on);
+ pin++) {
+ rc = gpio_tlmm_config(bt_config_power_on[pin],
+ GPIO_CFG_ENABLE);
+ if (rc < 0) {
+ pr_err("%s: gpio_tlmm_config(%#x)=%d\n",
+ __func__,
+ bt_config_power_on[pin],
+ rc);
+ goto fail_power;
+ }
+ }
+ /*Setup BT clocks*/
+ rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_D1,
+ PMAPP_CLOCK_VOTE_ON);
+ if (rc < 0) {
+ pr_err("Failed to vote for TCXO_D1 ON\n");
+ goto fail_clock;
+ }
+ msleep(20);
+
+ /*I2C config for Bahama*/
+ rc = bahama_bt(1);
+ if (rc < 0) {
+ pr_err("%s: bahama_bt rc = %d", __func__, rc);
+ goto fail_i2c;
+ }
+ msleep(20);
+
+ /*setup BT PCM lines*/
+ rc = msm_bahama_setup_pcm_i2s(BT_PCM_ON);
+ if (rc < 0) {
+ pr_err("%s: msm_bahama_setup_pcm_i2s , rc =%d\n",
+ __func__, rc);
+ goto fail_power;
+ }
+ rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_D1,
+ PMAPP_CLOCK_VOTE_PIN_CTRL);
+ if (rc < 0)
+ pr_err("%s:Pin Control Failed, rc = %d",
+ __func__, rc);
+
+ } else {
+ rc = bahama_bt(0);
+ if (rc < 0)
+ pr_err("%s: bahama_bt rc = %d", __func__, rc);
+
+ rc = bt_set_gpio(on);
+ if (rc) {
+ pr_err("%s: bt_set_gpio = %d\n",
+ __func__, rc);
+ }
+fail_i2c:
+ rc = pmapp_clock_vote(id, PMAPP_CLOCK_ID_D1,
+ PMAPP_CLOCK_VOTE_OFF);
+ if (rc < 0)
+ pr_err("%s: Failed to vote Off D1\n", __func__);
+fail_clock:
+ for (pin = 0; pin < ARRAY_SIZE(bt_config_power_off);
+ pin++) {
+ rc = gpio_tlmm_config(bt_config_power_off[pin],
+ GPIO_CFG_ENABLE);
+ if (rc < 0) {
+ pr_err("%s:"
+ " gpio_tlmm_config(%#x)=%d\n",
+ __func__,
+ bt_config_power_off[pin], rc);
+ }
+ }
+ rc = msm_bahama_setup_pcm_i2s(BT_PCM_OFF);
+ if (rc < 0) {
+ pr_err("%s: msm_bahama_setup_pcm_i2s, rc =%d\n",
+ __func__, rc);
+ }
+fail_power:
+ rc = bluetooth_switch_regulators(0);
+ if (rc < 0) {
+ pr_err("%s: switch_regulators : rc = %d",\
+ __func__, rc);
+ goto exit;
+ }
+ }
+ return rc;
+exit:
+ pr_err("%s: failed with rc = %d", __func__, rc);
+ return rc;
+}
+
+static struct marimba_fm_platform_data marimba_fm_pdata = {
+ .fm_setup = fm_radio_setup,
+ .fm_shutdown = fm_radio_shutdown,
+ .irq = MSM_GPIO_TO_INT(FM_GPIO),
+ .vreg_s2 = NULL,
+ .vreg_xo_out = NULL,
+ /* Configuring the FM SoC as I2S Master */
+ .is_fm_soc_i2s_master = true,
+ .config_i2s_gpio = msm_bahama_setup_pcm_i2s,
+};
+
+static struct marimba_platform_data marimba_pdata = {
+ .slave_id[SLAVE_ID_BAHAMA_FM] = BAHAMA_SLAVE_ID_FM_ADDR,
+ .slave_id[SLAVE_ID_BAHAMA_QMEMBIST] = BAHAMA_SLAVE_ID_QMEMBIST_ADDR,
+ .bahama_setup = msm_bahama_setup_power,
+ .bahama_shutdown = msm_bahama_shutdown_power,
+ .bahama_core_config = msm_bahama_core_config,
+ .fm = &marimba_fm_pdata,
+};
+
+static struct i2c_board_info bahama_devices[] = {
+{
+ I2C_BOARD_INFO("marimba", 0xc),
+ .platform_data = &marimba_pdata,
+},
+};
+
+void __init msm7627a_bt_power_init(void)
+{
+ int i, rc = 0;
+ struct device *dev;
+
+ gpio_bt_config();
+
+ i2c_register_board_info(MSM_GSBI1_QUP_I2C_BUS_ID,
+ bahama_devices,
+ ARRAY_SIZE(bahama_devices));
+ dev = &msm_bt_power_device.dev;
+
+ for (i = 0; i < ARRAY_SIZE(bt_vregs); i++) {
+ bt_vregs[i].reg = regulator_get(dev, bt_vregs[i].name);
+ if (IS_ERR(bt_vregs[i].reg)) {
+ rc = PTR_ERR(bt_vregs[i].reg);
+ dev_err(dev, "%s: could not get regulator %s: %d\n",
+ __func__, bt_vregs[i].name, rc);
+ goto reg_get_fail;
+ }
+ }
+
+ dev->platform_data = &bluetooth_power;
+
+ return;
+
+reg_get_fail:
+ while (i--) {
+ regulator_put(bt_vregs[i].reg);
+ bt_vregs[i].reg = NULL;
+ }
+ return;
+}
+#endif