diff options
Diffstat (limited to 'drivers/staging/cg2900/include')
| -rw-r--r-- | drivers/staging/cg2900/include/cg2900.h | 306 | ||||
| -rw-r--r-- | drivers/staging/cg2900/include/cg2900_audio.h | 473 | ||||
| -rw-r--r-- | drivers/staging/cg2900/include/cg2900_hci.h | 19 |
3 files changed, 798 insertions, 0 deletions
diff --git a/drivers/staging/cg2900/include/cg2900.h b/drivers/staging/cg2900/include/cg2900.h new file mode 100644 index 00000000000..e1c1860765a --- /dev/null +++ b/drivers/staging/cg2900/include/cg2900.h @@ -0,0 +1,306 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * Authors: + * Par-Gunnar Hjalmdahl (par-gunnar.p.hjalmdahl@stericsson.com) for ST-Ericsson. + * Henrik Possung (henrik.possung@stericsson.com) for ST-Ericsson. + * Josef Kindberg (josef.kindberg@stericsson.com) for ST-Ericsson. + * Dariusz Szymszak (dariusz.xd.szymczak@stericsson.com) for ST-Ericsson. + * Kjell Andersson (kjell.k.andersson@stericsson.com) for ST-Ericsson. + * License terms: GNU General Public License (GPL), version 2 + * + * Linux Bluetooth HCI H:4 Driver for ST-Ericsson CG2900 connectivity + * controller. + */ + +#ifndef _CG2900_H_ +#define _CG2900_H_ + +#include <linux/types.h> + +/* Perform reset. No parameters used */ +#define CG2900_CHAR_DEV_IOCTL_RESET _IOW('U', 210, int) +/* Check for reset */ +#define CG2900_CHAR_DEV_IOCTL_CHECK4RESET _IOR('U', 212, int) +/* Retrieve revision info */ +#define CG2900_CHAR_DEV_IOCTL_GET_REVISION _IOR('U', 213, \ + struct cg2900_rev_data) + +#define CG2900_CHAR_DEV_IOCTL_EVENT_IDLE 0 +#define CG2900_CHAR_DEV_IOCTL_EVENT_RESET 1 + +/* Specific chip version data */ +#define STLC2690_REV 0x0600 +#define CG2900_PG1_REV 0x0101 +#define CG2900_PG2_REV 0x0200 +#define CG2900_PG1_SPECIAL_REV 0x0700 +#define CG2905_PG1_1_REV 0x1805 +#define CG2910_PG1_REV 0x1004 +#define CG2910_PG2_REV 0x1008 + +/** + * struct cg2900_rev_data - Contains revision data for the local controller. + * @revision: Revision of the controller, e.g. to indicate that it is + * a CG2900 controller. + * @sub_version: Subversion of the controller, e.g. to indicate a certain + * tape-out of the controller. + * + * The values to match retrieved values to each controller may be retrieved from + * the manufacturer. + */ +struct cg2900_rev_data { + u16 revision; + u16 sub_version; +}; + +#ifdef __KERNEL__ +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/skbuff.h> + +/* Temporary solution while in staging directory */ +#include "cg2900_hci.h" + +/** + * struct cg2900_chip_rev_info - Chip info structure. + * @manufacturer: Chip manufacturer. + * @hci_version: Bluetooth version supported over HCI. + * @hci_revision: Chip revision, i.e. which chip is this. + * @lmp_pal_version: Bluetooth version supported over air. + * @hci_sub_version: Chip sub-version, i.e. which tape-out is this. + * + * Note that these values match the Bluetooth Assigned Numbers, + * see http://www.bluetooth.org/ + */ +struct cg2900_chip_rev_info { + u16 manufacturer; + u8 hci_version; + u16 hci_revision; + u8 lmp_pal_version; + u16 hci_sub_version; +}; + +struct cg2900_chip_dev; + +/** + * struct cg2900_id_callbacks - Chip handler identification callbacks. + * @check_chip_support: Called when chip is connected. If chip is supported by + * driver, return true and fill in @callbacks in @dev. + * + * Note that the callback may be NULL. It must always be NULL checked before + * calling. + */ +struct cg2900_id_callbacks { + bool (*check_chip_support)(struct cg2900_chip_dev *dev); +}; + +/** + * struct cg2900_chip_callbacks - Callback functions registered by chip handler. + * @data_from_chip: Called when data shall be transmitted to user. + * @chip_removed: Called when chip is removed. + * + * Note that some callbacks may be NULL. They must always be NULL checked before + * calling. + */ +struct cg2900_chip_callbacks { + void (*data_from_chip)(struct cg2900_chip_dev *dev, + struct sk_buff *skb); + void (*chip_removed)(struct cg2900_chip_dev *dev); +}; + +/** + * struct cg2900_trans_callbacks - Callback functions registered by transport. + * @open: CG2900 Core needs a transport. + * @close: CG2900 Core does not need a transport. + * @write: CG2900 Core transmits to the chip. + * @set_chip_power: CG2900 Core enables or disables the chip. + * @chip_startup_finished: CG2900 Chip startup finished notification. + * + * Note that some callbacks may be NULL. They must always be NULL checked before + * calling. + */ +struct cg2900_trans_callbacks { + int (*open)(struct cg2900_chip_dev *dev); + int (*close)(struct cg2900_chip_dev *dev); + int (*write)(struct cg2900_chip_dev *dev, struct sk_buff *skb); + void (*set_chip_power)(struct cg2900_chip_dev *dev, bool chip_on); + void (*chip_startup_finished)(struct cg2900_chip_dev *dev); + void (*set_baud_rate)(struct cg2900_chip_dev *dev, bool low_baud); +}; + +/** + * struct cg2900_chip_dev - Chip handler info structure. + * @dev: Device associated with this chip. + * @pdev: Platform device associated with this chip. + * @chip: Chip info such as manufacturer. + * @c_cb: Callback structure for the chip handler. + * @t_cb: Callback structure for the transport. + * @c_data: Arbitrary data set by chip handler. + * @t_data: Arbitrary data set by transport. + * @b_data: Arbitrary data set by board handler. + * @prv_data: Arbitrary data set by CG2900 Core. + */ +struct cg2900_chip_dev { + struct device *dev; + struct platform_device *pdev; + struct cg2900_chip_rev_info chip; + struct cg2900_chip_callbacks c_cb; + struct cg2900_trans_callbacks t_cb; + void *c_data; + void *t_data; + void *b_data; + void *prv_data; +}; + +/** + * struct cg2900_platform_data - Contains platform data for CG2900. + * @init: Callback called upon system start. + * @exit: Callback called upon system shutdown. + * @enable_chip: Callback called for enabling CG2900 chip. + * @disable_chip: Callback called for disabling CG2900 chip. + * @get_power_switch_off_cmd: Callback called to retrieve + * HCI VS_Power_Switch_Off command (command + * HCI requires platform specific GPIO data). + * @regulator_id: Id of the regulator that powers on the chip + * @bus: Transport used, see @include/net/bluetooth/hci.h. + * @gpio_sleep: Array of GPIO sleep settings. + * @enable_uart: Callback called when switching from UART GPIO to + * UART HW. + * @disable_uart: Callback called when switching from UART HW to + * UART GPIO. + * @n_uart_gpios: Number of UART GPIOs. + * @uart_enabled: Array of size @n_uart_gpios with GPIO setting for + * enabling UART HW (switching from GPIO mode). + * @uart_disabled: Array of size @n_uart_gpios with GPIO setting for + * disabling UART HW (switching to GPIO mode). + * @uart: Platform data structure for UART transport. + * + * Any callback may be NULL if not needed. + */ +struct cg2900_platform_data { + int (*init)(struct cg2900_chip_dev *dev); + void (*exit)(struct cg2900_chip_dev *dev); + void (*enable_chip)(struct cg2900_chip_dev *dev); + void (*disable_chip)(struct cg2900_chip_dev *dev); + struct sk_buff* (*get_power_switch_off_cmd)(struct cg2900_chip_dev *dev, + u16 *op_code); + + char *regulator_id; + __u8 bus; + enum cg2900_gpio_pull_sleep *gpio_sleep; + + struct { + int (*enable_uart)(struct cg2900_chip_dev *dev); + int (*disable_uart)(struct cg2900_chip_dev *dev); + int n_uart_gpios; + unsigned long *uart_enabled; + unsigned long *uart_disabled; + } uart; +}; + +/** + * struct cg2900_user_data - Contains platform data for CG2900 user. + * @dev: Current device. Set by CG2900 user upon probe. + * @opened: True if channel is opened. + * @user_data: Data set and used by CG2900 user. + * @private_data: Data set and used by CG2900 driver. + * @h4_channel: H4 channel. Set by CG2900 driver. + * @is_audio: True if this channel is an audio channel. Set by CG2900 + * driver. + * @is_clk_user: whether enabling CG29XX was started external entity + * for eg. WLAN. + * @chip_independent: True if this channel does not require chip to be + * powered. Set by CG2900 driver. + * @bt_bus: Transport used, see @include/net/bluetooth/hci.h. + * @char_dev_name: Name to be used for character device. + * @channel_data: Input data specific to current device. + * @open: Open device channel. Set by CG2900 driver. + * @close: Close device channel. Set by CG2900 driver. + * @reset: Reset connectivity controller. Set by CG2900 driver. + * @alloc_skb: Alloc sk_buffer. Set by CG2900 driver. + * @write: Write to device channel. Set by CG2900 driver. + * @get_local_revision: Get revision data of conncected chip. Set by CG2900 + * driver. + * @read_cb: Callback function called when data is received on the + * device channel. Set by CG2900 user. Mandatory. + * @reset_cb: Callback function called when the connectivity + * controller has been reset. Set by CG2900 user. + * + * Any callback may be NULL if not needed. + */ +struct cg2900_user_data { + struct device *dev; + bool opened; + + void *user_data; + void *private_data; + + int h4_channel; + bool is_audio; + bool is_clk_user; + bool chip_independent; + + union { + __u8 bt_bus; + char *char_dev_name; + } channel_data; + + int (*open)(struct cg2900_user_data *user_data); + void (*close)(struct cg2900_user_data *user_data); + int (*reset)(struct cg2900_user_data *user_data); + struct sk_buff * (*alloc_skb)(unsigned int size, gfp_t priority); + int (*write)(struct cg2900_user_data *user_data, struct sk_buff *skb); + bool (*get_local_revision)(struct cg2900_user_data *user_data, + struct cg2900_rev_data *rev_data); + + void (*read_cb)(struct cg2900_user_data *user_data, + struct sk_buff *skb); + void (*reset_cb)(struct cg2900_user_data *user_data); +}; + +static inline void *cg2900_get_usr(struct cg2900_user_data *dev) +{ + if (dev) + return dev->user_data; + return NULL; +} + +static inline void cg2900_set_usr(struct cg2900_user_data *dev, void *data) +{ + if (dev) + dev->user_data = data; +} + +static inline void *cg2900_get_prv(struct cg2900_user_data *dev) +{ + if (dev) + return dev->private_data; + return NULL; +} + +static inline void cg2900_set_prv(struct cg2900_user_data *dev, void *data) +{ + if (dev) + dev->private_data = data; +} + +static inline bool check_chip_revision_support(u16 hci_revision) +{ + if (hci_revision != CG2900_PG1_SPECIAL_REV && + hci_revision != CG2900_PG1_REV && + hci_revision != CG2900_PG2_REV && + hci_revision != CG2905_PG1_1_REV && + hci_revision != CG2910_PG1_REV && + hci_revision != CG2910_PG2_REV) + return false; + + return true; +} + +extern int cg2900_register_chip_driver(struct cg2900_id_callbacks *cb); +extern void cg2900_deregister_chip_driver(struct cg2900_id_callbacks *cb); +extern int cg2900_register_trans_driver(struct cg2900_chip_dev *dev); +extern int cg2900_deregister_trans_driver(struct cg2900_chip_dev *dev); +extern unsigned long cg2900_get_sleep_timeout(bool check_sleep); + +#endif /* __KERNEL__ */ +#endif /* _CG2900_H_ */ diff --git a/drivers/staging/cg2900/include/cg2900_audio.h b/drivers/staging/cg2900/include/cg2900_audio.h new file mode 100644 index 00000000000..ff0f053fa53 --- /dev/null +++ b/drivers/staging/cg2900/include/cg2900_audio.h @@ -0,0 +1,473 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * Authors: + * Par-Gunnar Hjalmdahl (par-gunnar.p.hjalmdahl@stericsson.com) for ST-Ericsson. + * Kjell Andersson (kjell.k.andersson@stericsson.com) for ST-Ericsson. + * License terms: GNU General Public License (GPL), version 2 + * + * Linux Bluetooth Audio Driver for ST-Ericsson controller. + */ + +#ifndef _CG2900_AUDIO_H_ +#define _CG2900_AUDIO_H_ + +#include <linux/types.h> + +/* + * Digital Audio Interface configuration types + */ + +/** CG2900_A2DP_MAX_AVDTP_HDR_LEN - Max length of a AVDTP header. + * Max length of a AVDTP header for an A2DP packet. + */ +#define CG2900_A2DP_MAX_AVDTP_HDR_LEN 25 + +/* + * Op codes used when writing commands to the audio interface from user space + * using the char device. + */ +#define CG2900_OPCODE_SET_DAI_CONF 0x01 +#define CG2900_OPCODE_GET_DAI_CONF 0x02 +#define CG2900_OPCODE_CONFIGURE_ENDPOINT 0x03 +#define CG2900_OPCODE_START_STREAM 0x04 +#define CG2900_OPCODE_STOP_STREAM 0x05 + +/** + * enum cg2900_dai_dir - Contains the DAI port directions alternatives. + * @DAI_DIR_B_RX_A_TX: Port B as Rx and port A as Tx. + * @DAI_DIR_B_TX_A_RX: Port B as Tx and port A as Rx. + */ +enum cg2900_dai_dir { + DAI_DIR_B_RX_A_TX = 0x00, + DAI_DIR_B_TX_A_RX = 0x01 +}; + +/** + * enum cg2900_dai_mode - DAI mode alternatives. + * @DAI_MODE_SLAVE: Slave. + * @DAI_MODE_MASTER: Master. + */ +enum cg2900_dai_mode { + DAI_MODE_SLAVE = 0x00, + DAI_MODE_MASTER = 0x01 +}; + +/** + * enum cg2900_dai_stream_ratio - Voice stream ratio alternatives. + * @STREAM_RATIO_FM16_VOICE16: FM 16kHz, Voice 16kHz. + * @STREAM_RATIO_FM16_VOICE8: FM 16kHz, Voice 8kHz. + * @STREAM_RATIO_FM48_VOICE16: FM 48kHz, Voice 16Khz. + * @STREAM_RATIO_FM48_VOICE8: FM 48kHz, Voice 8kHz. + * + * Contains the alternatives for the voice stream ratio between the Audio stream + * sample rate and the Voice stream sample rate. + */ +enum cg2900_dai_stream_ratio { + STREAM_RATIO_FM16_VOICE16 = 0x01, + STREAM_RATIO_FM16_VOICE8 = 0x02, + STREAM_RATIO_FM48_VOICE16 = 0x03, + STREAM_RATIO_FM48_VOICE8 = 0x06 +}; + +/** + * enum cg2900_dai_fs_duration - Frame sync duration alternatives. + * @SYNC_DURATION_8: 8 frames sync duration. + * @SYNC_DURATION_16: 16 frames sync duration. + * @SYNC_DURATION_24: 24 frames sync duration. + * @SYNC_DURATION_32: 32 frames sync duration. + * @SYNC_DURATION_48: 48 frames sync duration. + * @SYNC_DURATION_50: 50 frames sync duration. + * @SYNC_DURATION_64: 64 frames sync duration. + * @SYNC_DURATION_75: 75 frames sync duration. + * @SYNC_DURATION_96: 96 frames sync duration. + * @SYNC_DURATION_125: 125 frames sync duration. + * @SYNC_DURATION_128: 128 frames sync duration. + * @SYNC_DURATION_150: 150 frames sync duration. + * @SYNC_DURATION_192: 192 frames sync duration. + * @SYNC_DURATION_250: 250 frames sync duration. + * @SYNC_DURATION_256: 256 frames sync duration. + * @SYNC_DURATION_300: 300 frames sync duration. + * @SYNC_DURATION_384: 384 frames sync duration. + * @SYNC_DURATION_500: 500 frames sync duration. + * @SYNC_DURATION_512: 512 frames sync duration. + * @SYNC_DURATION_600: 600 frames sync duration. + * @SYNC_DURATION_768: 768 frames sync duration. + * + * This parameter sets the PCM frame sync duration. It is calculated as the + * ratio between the bit clock and the frame rate. For example, if the bit + * clock is 512 kHz and the stream sample rate is 8 kHz, the PCM frame sync + * duration is 512 / 8 = 64. + */ +enum cg2900_dai_fs_duration { + SYNC_DURATION_8 = 0, + SYNC_DURATION_16 = 1, + SYNC_DURATION_24 = 2, + SYNC_DURATION_32 = 3, + SYNC_DURATION_48 = 4, + SYNC_DURATION_50 = 5, + SYNC_DURATION_64 = 6, + SYNC_DURATION_75 = 7, + SYNC_DURATION_96 = 8, + SYNC_DURATION_125 = 9, + SYNC_DURATION_128 = 10, + SYNC_DURATION_150 = 11, + SYNC_DURATION_192 = 12, + SYNC_DURATION_250 = 13, + SYNC_DURATION_256 = 14, + SYNC_DURATION_300 = 15, + SYNC_DURATION_384 = 16, + SYNC_DURATION_500 = 17, + SYNC_DURATION_512 = 18, + SYNC_DURATION_600 = 19, + SYNC_DURATION_768 = 20 +}; + +/** + * enum cg2900_dai_bit_clk - Bit Clock alternatives. + * @BIT_CLK_128: 128 Kbits clock. + * @BIT_CLK_256: 256 Kbits clock. + * @BIT_CLK_512: 512 Kbits clock. + * @BIT_CLK_768: 768 Kbits clock. + * @BIT_CLK_1024: 1024 Kbits clock. + * @BIT_CLK_1411_76: 1411.76 Kbits clock. + * @BIT_CLK_1536: 1536 Kbits clock. + * @BIT_CLK_2000: 2000 Kbits clock. + * @BIT_CLK_2048: 2048 Kbits clock. + * @BIT_CLK_2400: 2400 Kbits clock. + * @BIT_CLK_2823_52: 2823.52 Kbits clock. + * @BIT_CLK_3072: 3072 Kbits clock. + * + * This parameter sets the bit clock speed. This is the clocking of the actual + * data. A usual parameter for eSCO voice is 512 kHz. + */ +enum cg2900_dai_bit_clk { + BIT_CLK_128 = 0x00, + BIT_CLK_256 = 0x01, + BIT_CLK_512 = 0x02, + BIT_CLK_768 = 0x03, + BIT_CLK_1024 = 0x04, + BIT_CLK_1411_76 = 0x05, + BIT_CLK_1536 = 0x06, + BIT_CLK_2000 = 0x07, + BIT_CLK_2048 = 0x08, + BIT_CLK_2400 = 0x09, + BIT_CLK_2823_52 = 0x0A, + BIT_CLK_3072 = 0x0B +}; + +/** + * enum cg2900_dai_sample_rate - Sample rates alternatives. + * @SAMPLE_RATE_8: 8 kHz sample rate. + * @SAMPLE_RATE_16: 16 kHz sample rate. + * @SAMPLE_RATE_44_1: 44.1 kHz sample rate. + * @SAMPLE_RATE_48: 48 kHz sample rate. + */ +enum cg2900_dai_sample_rate { + SAMPLE_RATE_8 = 0, + SAMPLE_RATE_16 = 1, + SAMPLE_RATE_44_1 = 2, + SAMPLE_RATE_48 = 3 +}; + +/** + * enum cg2900_dai_port_protocol - Port protocol alternatives. + * @PORT_PROTOCOL_PCM: Protocol PCM. + * @PORT_PROTOCOL_I2S: Protocol I2S. + */ +enum cg2900_dai_port_protocol { + PORT_PROTOCOL_PCM = 0x00, + PORT_PROTOCOL_I2S = 0x01 +}; + +/** + * enum cg2900_dai_channel_sel - The channel selection alternatives. + * @CHANNEL_SELECTION_RIGHT: Right channel used. + * @CHANNEL_SELECTION_LEFT: Left channel used. + * @CHANNEL_SELECTION_BOTH: Both channels used. + */ +enum cg2900_dai_channel_sel { + CHANNEL_SELECTION_RIGHT = 0x00, + CHANNEL_SELECTION_LEFT = 0x01, + CHANNEL_SELECTION_BOTH = 0x02 +}; + +/** + * struct cg2900_dai_conf_i2s_pcm - Port configuration structure. + * @mode: Operational mode of the port configured. + * @i2s_channel_sel: I2S channels used. Only valid if used in I2S mode. + * @slot_0_used: True if SCO slot 0 is used. + * @slot_1_used: True if SCO slot 1 is used. + * @slot_2_used: True if SCO slot 2 is used. + * @slot_3_used: True if SCO slot 3 is used. + * @slot_0_dir: Direction of slot 0. + * @slot_1_dir: Direction of slot 1. + * @slot_2_dir: Direction of slot 2. + * @slot_3_dir: Direction of slot 3. + * @slot_0_start: Slot 0 start (relative to the PCM frame sync). + * @slot_1_start: Slot 1 start (relative to the PCM frame sync) + * @slot_2_start: Slot 2 start (relative to the PCM frame sync) + * @slot_3_start: Slot 3 start (relative to the PCM frame sync) + * @ratio: Voice stream ratio between the Audio stream sample rate + * and the Voice stream sample rate. + * @protocol: Protocol used on port. + * @duration: Frame sync duration. + * @clk: Bit clock. + * @sample_rate: Sample rate. + */ +struct cg2900_dai_conf_i2s_pcm { + enum cg2900_dai_mode mode; + enum cg2900_dai_channel_sel i2s_channel_sel; + bool slot_0_used; + bool slot_1_used; + bool slot_2_used; + bool slot_3_used; + enum cg2900_dai_dir slot_0_dir; + enum cg2900_dai_dir slot_1_dir; + enum cg2900_dai_dir slot_2_dir; + enum cg2900_dai_dir slot_3_dir; + __u8 slot_0_start; + __u8 slot_1_start; + __u8 slot_2_start; + __u8 slot_3_start; + enum cg2900_dai_stream_ratio ratio; + enum cg2900_dai_port_protocol protocol; + enum cg2900_dai_fs_duration duration; + enum cg2900_dai_bit_clk clk; + enum cg2900_dai_sample_rate sample_rate; +}; + +/** + * enum cg2900_dai_half_period - Half period duration alternatives. + * @HALF_PER_DUR_8: 8 Bits. + * @HALF_PER_DUR_16: 16 Bits. + * @HALF_PER_DUR_24: 24 Bits. + * @HALF_PER_DUR_25: 25 Bits. + * @HALF_PER_DUR_32: 32 Bits. + * @HALF_PER_DUR_48: 48 Bits. + * @HALF_PER_DUR_64: 64 Bits. + * @HALF_PER_DUR_75: 75 Bits. + * @HALF_PER_DUR_96: 96 Bits. + * @HALF_PER_DUR_128: 128 Bits. + * @HALF_PER_DUR_150: 150 Bits. + * @HALF_PER_DUR_192: 192 Bits. + * + * This parameter sets the number of bits contained in each I2S half period, + * i.e. each channel slot. A usual value is 16 bits. + */ +enum cg2900_dai_half_period { + HALF_PER_DUR_8 = 0x00, + HALF_PER_DUR_16 = 0x01, + HALF_PER_DUR_24 = 0x02, + HALF_PER_DUR_25 = 0x03, + HALF_PER_DUR_32 = 0x04, + HALF_PER_DUR_48 = 0x05, + HALF_PER_DUR_64 = 0x06, + HALF_PER_DUR_75 = 0x07, + HALF_PER_DUR_96 = 0x08, + HALF_PER_DUR_128 = 0x09, + HALF_PER_DUR_150 = 0x0A, + HALF_PER_DUR_192 = 0x0B +}; + +/** + * enum cg2900_dai_word_width - Word width alternatives. + * @WORD_WIDTH_16: 16 bits words. + * @WORD_WIDTH_32: 32 bits words. + */ +enum cg2900_dai_word_width { + WORD_WIDTH_16 = 0x00, + WORD_WIDTH_32 = 0x01 +}; + +/** + * struct cg2900_dai_conf_i2s - Port configuration struct for I2S. + * @mode: Operational mode of the port. + * @half_period: Half period duration. + * @channel_sel: Channel selection. + * @sample_rate: Sample rate. + * @word_width: Word width. + */ +struct cg2900_dai_conf_i2s { + enum cg2900_dai_mode mode; + enum cg2900_dai_half_period half_period; + enum cg2900_dai_channel_sel channel_sel; + enum cg2900_dai_sample_rate sample_rate; + enum cg2900_dai_word_width word_width; +}; + +/** + * union cg2900_dai_port_conf - DAI port configuration union. + * @i2s: The configuration struct for a port supporting only I2S. + * @i2s_pcm: The configuration struct for a port supporting both PCM and I2S. + */ +union cg2900_dai_port_conf { + struct cg2900_dai_conf_i2s i2s; + struct cg2900_dai_conf_i2s_pcm i2s_pcm; +}; + +/** + * enum cg2900_dai_ext_port_id - DAI external port id alternatives. + * @PORT_0_I2S: Port id is 0 and it supports only I2S. + * @PORT_1_I2S_PCM: Port id is 1 and it supports both I2S and PCM. + */ +enum cg2900_dai_ext_port_id { + PORT_0_I2S, + PORT_1_I2S_PCM +}; + +/** + * enum cg2900_audio_endpoint_id - Audio endpoint id alternatives. + * @ENDPOINT_PORT_0_I2S: Internal audio endpoint of the external I2S + * interface. + * @ENDPOINT_PORT_1_I2S_PCM: Internal audio endpoint of the external I2S/PCM + * interface. + * @ENDPOINT_SLIMBUS_VOICE: Internal audio endpoint of the external Slimbus + * voice interface. (Currently not supported) + * @ENDPOINT_SLIMBUS_AUDIO: Internal audio endpoint of the external Slimbus + * audio interface. (Currently not supported) + * @ENDPOINT_BT_SCO_INOUT: Bluetooth SCO bidirectional. + * @ENDPOINT_BT_A2DP_SRC: Bluetooth A2DP source. + * @ENDPOINT_BT_A2DP_SNK: Bluetooth A2DP sink. + * @ENDPOINT_FM_RX: FM receive. + * @ENDPOINT_FM_TX: FM transmit. + * @ENDPOINT_ANALOG_OUT: Analog out. + * @ENDPOINT_DSP_AUDIO_IN: DSP audio in. + * @ENDPOINT_DSP_AUDIO_OUT: DSP audio out. + * @ENDPOINT_DSP_VOICE_IN: DSP voice in. + * @ENDPOINT_DSP_VOICE_OUT: DSP voice out. + * @ENDPOINT_DSP_TONE_IN: DSP tone in. + * @ENDPOINT_BURST_BUFFER_IN: Burst buffer in. + * @ENDPOINT_BURST_BUFFER_OUT: Burst buffer out. + * @ENDPOINT_MUSIC_DECODER: Music decoder. + * @ENDPOINT_HCI_AUDIO_IN: HCI audio in. + */ +enum cg2900_audio_endpoint_id { + ENDPOINT_PORT_0_I2S, + ENDPOINT_PORT_1_I2S_PCM, + ENDPOINT_SLIMBUS_VOICE, + ENDPOINT_SLIMBUS_AUDIO, + ENDPOINT_BT_SCO_INOUT, + ENDPOINT_BT_A2DP_SRC, + ENDPOINT_BT_A2DP_SNK, + ENDPOINT_FM_RX, + ENDPOINT_FM_TX, + ENDPOINT_ANALOG_OUT, + ENDPOINT_DSP_AUDIO_IN, + ENDPOINT_DSP_AUDIO_OUT, + ENDPOINT_DSP_VOICE_IN, + ENDPOINT_DSP_VOICE_OUT, + ENDPOINT_DSP_TONE_IN, + ENDPOINT_BURST_BUFFER_IN, + ENDPOINT_BURST_BUFFER_OUT, + ENDPOINT_MUSIC_DECODER, + ENDPOINT_HCI_AUDIO_IN +}; + +/** + * struct cg2900_dai_config - Configuration struct for Digital Audio Interface. + * @port: The port id to configure. Acts as a discriminator for @conf parameter + * which is a union. + * @conf: The configuration union that contains the parameters for the port. + */ +struct cg2900_dai_config { + enum cg2900_dai_ext_port_id port; + union cg2900_dai_port_conf conf; +}; + +/* + * Endpoint configuration types + */ + +/** + * enum cg2900_endpoint_sample_rate - Audio endpoint configuration sample rate alternatives. + * + * This enum defines the same values as @cg2900_dai_sample_rate, but + * is kept to preserve the API. + * + * @ENDPOINT_SAMPLE_RATE_8_KHZ: 8 kHz sample rate. + * @ENDPOINT_SAMPLE_RATE_16_KHZ: 16 kHz sample rate. + * @ENDPOINT_SAMPLE_RATE_44_1_KHZ: 44.1 kHz sample rate. + * @ENDPOINT_SAMPLE_RATE_48_KHZ: 48 kHz sample rate. + */ +enum cg2900_endpoint_sample_rate { + ENDPOINT_SAMPLE_RATE_8_KHZ = SAMPLE_RATE_8, + ENDPOINT_SAMPLE_RATE_16_KHZ = SAMPLE_RATE_16, + ENDPOINT_SAMPLE_RATE_44_1_KHZ = SAMPLE_RATE_44_1, + ENDPOINT_SAMPLE_RATE_48_KHZ = SAMPLE_RATE_48 +}; + + +/** + * struct cg2900_endpoint_config_a2dp_src - A2DP source audio endpoint configurations. + * @sample_rate: Sample rate. + * @channel_count: Number of channels. + */ +struct cg2900_endpoint_config_a2dp_src { + enum cg2900_endpoint_sample_rate sample_rate; + unsigned int channel_count; +}; + +/** + * struct cg2900_endpoint_config_fm - Configuration parameters for an FM endpoint. + * @sample_rate: The sample rate alternatives for the FM audio endpoints. + */ +struct cg2900_endpoint_config_fm { + enum cg2900_endpoint_sample_rate sample_rate; +}; + + +/** + * struct cg2900_endpoint_config_sco_in_out - SCO audio endpoint configuration structure. + * @sample_rate: Sample rate, valid values are + * * ENDPOINT_SAMPLE_RATE_8_KHZ + * * ENDPOINT_SAMPLE_RATE_16_KHZ. + */ +struct cg2900_endpoint_config_sco_in_out { + enum cg2900_endpoint_sample_rate sample_rate; +}; + +/** + * union cg2900_endpoint_config - Different audio endpoint configurations. + * @sco: SCO audio endpoint configuration structure. + * @a2dp_src: A2DP source audio endpoint configuration structure. + * @fm: FM audio endpoint configuration structure. + */ +union cg2900_endpoint_config_union { + struct cg2900_endpoint_config_sco_in_out sco; + struct cg2900_endpoint_config_a2dp_src a2dp_src; + struct cg2900_endpoint_config_fm fm; +}; + +/** + * struct cg2900_endpoint_config - Audio endpoint configuration. + * @endpoint_id: Identifies the audio endpoint. Works as a discriminator + * for the config union. + * @config: Union holding the configuration parameters for + * the endpoint. + */ +struct cg2900_endpoint_config { + enum cg2900_audio_endpoint_id endpoint_id; + union cg2900_endpoint_config_union config; +}; + +#ifdef __KERNEL__ +#include <linux/device.h> + +int cg2900_audio_get_devices(struct device *devices[], __u8 size); +int cg2900_audio_open(unsigned int *session, struct device *parent); +int cg2900_audio_close(unsigned int *session); +int cg2900_audio_set_dai_config(unsigned int session, + struct cg2900_dai_config *config); +int cg2900_audio_get_dai_config(unsigned int session, + struct cg2900_dai_config *config); +int cg2900_audio_config_endpoint(unsigned int session, + struct cg2900_endpoint_config *config); +int cg2900_audio_start_stream(unsigned int session, + enum cg2900_audio_endpoint_id ep_1, + enum cg2900_audio_endpoint_id ep_2, + unsigned int *stream_handle); +int cg2900_audio_stop_stream(unsigned int session, + unsigned int stream_handle); + +#endif /* __KERNEL__ */ +#endif /* _CG2900_AUDIO_H_ */ diff --git a/drivers/staging/cg2900/include/cg2900_hci.h b/drivers/staging/cg2900/include/cg2900_hci.h new file mode 100644 index 00000000000..e094a9dddbd --- /dev/null +++ b/drivers/staging/cg2900/include/cg2900_hci.h @@ -0,0 +1,19 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * Authors: + * Par-Gunnar Hjalmdahl (par-gunnar.p.hjalmdahl@stericsson.com) for ST-Ericsson. + * License terms: GNU General Public License (GPL), version 2 + * + * This file is a staging solution and shall be integrated into + * /include/net/bluetooth/hci.h. + */ + +#ifndef __CG2900_HCI_H +#define __CG2900_HCI_H + +#define HCI_EV_HW_ERROR 0x10 +struct hci_ev_hw_error { + __u8 hw_code; +} __packed; + +#endif /* __CG2900_HCI_H */ |