| /linux/include/linux/ |
| H A D | mailbox_controller.h | 12 struct mbox_chan;
47 int (*send_data)(struct mbox_chan *chan, void *data);
48 int (*flush)(struct mbox_chan *chan, unsigned long timeout);
49 int (*startup)(struct mbox_chan *chan);
50 void (*shutdown)(struct mbox_chan *chan);
51 bool (*last_tx_done)(struct mbox_chan *chan);
52 bool (*peek_data)(struct mbox_chan *chan);
78 struct mbox_chan *chans;
83 struct mbox_chan *(*fw_xlate)(struct mbox_controller *mbox,
85 struct mbox_chan *(*of_xlate)(struct mbox_controller *mbox,
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| H A D | mailbox_client.h | 13 struct mbox_chan;
40 int mbox_bind_client(struct mbox_chan *chan, struct mbox_client *cl);
41 struct mbox_chan *mbox_request_channel_byname(struct mbox_client *cl,
43 struct mbox_chan *mbox_request_channel(struct mbox_client *cl, int index);
44 int mbox_send_message(struct mbox_chan *chan, void *mssg);
45 int mbox_flush(struct mbox_chan *chan, unsigned long timeout);
46 void mbox_client_txdone(struct mbox_chan *chan, int r); /* atomic */
47 bool mbox_client_peek_data(struct mbox_chan *chan); /* atomic */
48 void mbox_free_channel(struct mbox_chan *chan); /* may sleep */
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| /linux/drivers/mailbox/ |
| H A D | arm_mhuv2.c | 207 int (*rx_startup)(struct mhuv2 *mhu, struct mbox_chan *chan);
208 void (*rx_shutdown)(struct mhuv2 *mhu, struct mbox_chan *chan);
209 void *(*read_data)(struct mhuv2 *mhu, struct mbox_chan *chan);
211 void (*tx_startup)(struct mhuv2 *mhu, struct mbox_chan *chan);
212 void (*tx_shutdown)(struct mhuv2 *mhu, struct mbox_chan *chan);
213 int (*last_tx_done)(struct mhuv2 *mhu, struct mbox_chan *chan);
214 int (*send_data)(struct mhuv2 *mhu, struct mbox_chan *chan, void *arg);
261 static int mhuv2_doorbell_rx_startup(struct mhuv2 *mhu, struct mbox_chan *chan) in mhuv2_doorbell_rx_startup()
271 struct mbox_chan *chan) in mhuv2_doorbell_rx_shutdown()
279 static void *mhuv2_doorbell_read_data(struct mhuv2 *mhu, struct mbox_chan *chan) in mhuv2_doorbell_read_data()
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| H A D | mailbox-altera.c | 49 struct mbox_chan *chan;
52 static struct altera_mbox *mbox_chan_to_altera_mbox(struct mbox_chan *chan) in mbox_chan_to_altera_mbox()
117 static void altera_mbox_rx_data(struct mbox_chan *chan) in altera_mbox_rx_data()
143 struct mbox_chan *chan = (struct mbox_chan *)p; in altera_mbox_tx_interrupt()
154 struct mbox_chan *chan = (struct mbox_chan *)p; in altera_mbox_rx_interrupt()
160 static int altera_mbox_startup_sender(struct mbox_chan *chan) in altera_mbox_startup_sender()
179 static int altera_mbox_startup_receiver(struct mbox_chan *chan) in altera_mbox_startup_receiver()
206 static int altera_mbox_send_data(struct mbox_chan *chan, void *data) in altera_mbox_send_data()
233 static bool altera_mbox_last_tx_done(struct mbox_chan *chan) in altera_mbox_last_tx_done()
241 static bool altera_mbox_peek_data(struct mbox_chan *chan) in altera_mbox_peek_data()
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| H A D | mailbox.c | 26 static int add_to_rbuf(struct mbox_chan *chan, void *mssg) in add_to_rbuf()
48 static void msg_submit(struct mbox_chan *chan) in msg_submit()
84 static void tx_tick(struct mbox_chan *chan, int r) in tx_tick()
115 struct mbox_chan *chan = &mbox->chans[i]; in txdone_hrtimer()
147 void mbox_chan_received_data(struct mbox_chan *chan, void *mssg) in mbox_chan_received_data()
165 void mbox_chan_txdone(struct mbox_chan *chan, int r) in mbox_chan_txdone()
186 void mbox_client_txdone(struct mbox_chan *chan, int r) in mbox_client_txdone()
212 bool mbox_client_peek_data(struct mbox_chan *chan) in mbox_client_peek_data()
245 int mbox_send_message(struct mbox_chan *chan, void *mssg) in mbox_send_message()
294 int mbox_flush(struct mbox_chan *chan, unsigned long timeout) in mbox_flush()
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| H A D | arm_mhuv3.c | 268 int (*rx_startup)(struct mhuv3 *mhu, struct mbox_chan *chan);
269 void (*rx_shutdown)(struct mhuv3 *mhu, struct mbox_chan *chan);
270 void *(*read_data)(struct mhuv3 *mhu, struct mbox_chan *chan);
271 void (*rx_complete)(struct mhuv3 *mhu, struct mbox_chan *chan);
272 void (*tx_startup)(struct mhuv3 *mhu, struct mbox_chan *chan);
273 void (*tx_shutdown)(struct mhuv3 *mhu, struct mbox_chan *chan);
274 int (*last_tx_done)(struct mhuv3 *mhu, struct mbox_chan *chan);
275 int (*send_data)(struct mhuv3 *mhu, struct mbox_chan *chan, void *arg);
314 struct mbox_chan *(*mbox_of_xlate)(struct mhuv3 *mhu,
319 struct mbox_chan *(*chan_from_comb_irq_get)(struct mhuv3 *mhu);
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| H A D | mailbox-sti.c | 86 static inline bool sti_mbox_channel_is_enabled(struct mbox_chan *chan) in sti_mbox_channel_is_enabled()
97 struct mbox_chan *sti_mbox_to_channel(struct mbox_controller *mbox, in sti_mbox_to_channel()
119 static void sti_mbox_enable_channel(struct mbox_chan *chan) in sti_mbox_enable_channel()
134 static void sti_mbox_disable_channel(struct mbox_chan *chan) in sti_mbox_disable_channel()
149 static void sti_mbox_clear_irq(struct mbox_chan *chan) in sti_mbox_clear_irq()
160 static struct mbox_chan *sti_mbox_irq_to_channel(struct sti_mbox_device *mdev, in sti_mbox_irq_to_channel()
164 struct mbox_chan *chan = NULL; in sti_mbox_irq_to_channel()
195 struct mbox_chan *chan; in sti_mbox_thread_handler()
218 struct mbox_chan *chan; in sti_mbox_irq_handler()
251 static bool sti_mbox_tx_is_ready(struct mbox_chan *chan) in sti_mbox_tx_is_ready()
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| H A D | arm_mhu_db.c | 58 static inline struct mbox_chan *
75 static void mhu_db_mbox_clear_irq(struct mbox_chan *chan) in mhu_db_mbox_clear_irq()
93 static struct mbox_chan *
98 struct mbox_chan *chan = NULL; in mhu_db_mbox_irq_to_channel()
125 struct mbox_chan *chan; in mhu_db_mbox_rx_handler()
137 static bool mhu_db_last_tx_done(struct mbox_chan *chan) in mhu_db_last_tx_done()
148 static int mhu_db_send_data(struct mbox_chan *chan, void *data) in mhu_db_send_data()
159 static int mhu_db_startup(struct mbox_chan *chan) in mhu_db_startup()
165 static void mhu_db_shutdown(struct mbox_chan *chan) in mhu_db_shutdown()
186 static struct mbox_chan *mhu_db_mbox_xlate(struct mbox_controller *mbox, in mhu_db_mbox_xlate()
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| H A D | sun6i-msgbox.c | 53 static bool sun6i_msgbox_last_tx_done(struct mbox_chan *chan);
54 static bool sun6i_msgbox_peek_data(struct mbox_chan *chan);
56 static inline int channel_number(struct mbox_chan *chan) in channel_number()
61 static inline struct sun6i_msgbox *to_sun6i_msgbox(struct mbox_chan *chan) in to_sun6i_msgbox()
80 struct mbox_chan *chan = &mbox->controller.chans[n]; in sun6i_msgbox_irq()
99 static int sun6i_msgbox_send_data(struct mbox_chan *chan, void *data) in sun6i_msgbox_send_data()
115 static int sun6i_msgbox_startup(struct mbox_chan *chan) in sun6i_msgbox_startup()
139 static void sun6i_msgbox_shutdown(struct mbox_chan *chan) in sun6i_msgbox_shutdown()
162 static bool sun6i_msgbox_last_tx_done(struct mbox_chan *chan) in sun6i_msgbox_last_tx_done()
179 static bool sun6i_msgbox_peek_data(struct mbox_chan *chan) in sun6i_msgbox_peek_data()
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| H A D | mtk-adsp-mailbox.c | 38 struct mbox_chan *chan = data; in mtk_adsp_mbox_irq()
49 struct mbox_chan *chan = data; in mtk_adsp_mbox_isr()
56 static struct mbox_chan *mtk_adsp_mbox_xlate(struct mbox_controller *mbox, in mtk_adsp_mbox_xlate()
62 static int mtk_adsp_mbox_startup(struct mbox_chan *chan) in mtk_adsp_mbox_startup()
73 static void mtk_adsp_mbox_shutdown(struct mbox_chan *chan) in mtk_adsp_mbox_shutdown()
82 static int mtk_adsp_mbox_send_data(struct mbox_chan *chan, void *data) in mtk_adsp_mbox_send_data()
92 static bool mtk_adsp_mbox_last_tx_done(struct mbox_chan *chan) in mtk_adsp_mbox_last_tx_done()
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| H A D | bcm2835-mailbox.c | 61 static struct bcm2835_mbox *bcm2835_link_mbox(struct mbox_chan *link) in bcm2835_link_mbox()
70 struct mbox_chan *link = &mbox->controller.chans[0]; in bcm2835_mbox_irq()
80 static int bcm2835_send_data(struct mbox_chan *link, void *data) in bcm2835_send_data()
92 static int bcm2835_startup(struct mbox_chan *link) in bcm2835_startup()
102 static void bcm2835_shutdown(struct mbox_chan *link) in bcm2835_shutdown()
109 static bool bcm2835_last_tx_done(struct mbox_chan *link) in bcm2835_last_tx_done()
127 static struct mbox_chan *bcm2835_mbox_index_xlate(struct mbox_controller *mbox, in bcm2835_mbox_index_xlate()
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| H A D | hi3660-mailbox.c | 75 struct mbox_chan chan[MBOX_CHAN_MAX];
85 static int hi3660_mbox_check_state(struct mbox_chan *chan) in hi3660_mbox_check_state()
112 static int hi3660_mbox_unlock(struct mbox_chan *chan) in hi3660_mbox_unlock()
133 static int hi3660_mbox_acquire_channel(struct mbox_chan *chan) in hi3660_mbox_acquire_channel()
159 static int hi3660_mbox_startup(struct mbox_chan *chan) in hi3660_mbox_startup()
174 static int hi3660_mbox_send_data(struct mbox_chan *chan, void *msg) in hi3660_mbox_send_data()
211 static struct mbox_chan *hi3660_mbox_xlate(struct mbox_controller *controller, in hi3660_mbox_xlate()
241 struct mbox_chan *chan; in hi3660_mbox_probe()
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| H A D | cix-mailbox.c | 87 struct mbox_chan *chan;
97 struct mbox_chan mbox_chans[CIX_MBOX_CHANS];
133 static bool mbox_fifo_empty(struct mbox_chan *chan) in mbox_fifo_empty()
152 static int cix_mbox_send_data_db(struct mbox_chan *chan, void *data) in cix_mbox_send_data_db()
162 static int cix_mbox_send_data_reg(struct mbox_chan *chan, void *data) in cix_mbox_send_data_reg()
181 static int cix_mbox_send_data_fifo(struct mbox_chan *chan, void *data) in cix_mbox_send_data_fifo()
203 static int cix_mbox_send_data_fast(struct mbox_chan *chan, void *data) in cix_mbox_send_data_fast()
223 static int cix_mbox_send_data(struct mbox_chan *chan, void *data) in cix_mbox_send_data()
253 static void cix_mbox_isr_db(struct mbox_chan *chan) in cix_mbox_isr_db()
277 static void cix_mbox_isr_reg(struct mbox_chan *chan) in cix_mbox_isr_reg()
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| H A D | arm_mhu.c | 37 struct mbox_chan chan[MHU_CHANS];
43 struct mbox_chan *chan = p; in mhu_rx_interrupt()
58 static bool mhu_last_tx_done(struct mbox_chan *chan) in mhu_last_tx_done()
66 static int mhu_send_data(struct mbox_chan *chan, void *data) in mhu_send_data()
76 static int mhu_startup(struct mbox_chan *chan) in mhu_startup()
96 static void mhu_shutdown(struct mbox_chan *chan) in mhu_shutdown()
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| H A D | platform_mhu.c | 43 struct mbox_chan chan[MHU_CHANS];
49 struct mbox_chan *chan = p; in platform_mhu_rx_interrupt()
64 static bool platform_mhu_last_tx_done(struct mbox_chan *chan) in platform_mhu_last_tx_done()
72 static int platform_mhu_send_data(struct mbox_chan *chan, void *data) in platform_mhu_send_data()
82 static int platform_mhu_startup(struct mbox_chan *chan) in platform_mhu_startup()
102 static void platform_mhu_shutdown(struct mbox_chan *chan) in platform_mhu_shutdown()
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| H A D | qcom-cpucp-mbox.c | 37 struct mbox_chan chans[APSS_CPUCP_IPC_CHAN_SUPPORTED];
43 static inline int channel_number(struct mbox_chan *chan) in channel_number()
58 struct mbox_chan *chan = &cpucp->chans[i]; in qcom_cpucp_mbox_irq_fn()
72 static int qcom_cpucp_mbox_startup(struct mbox_chan *chan) in qcom_cpucp_mbox_startup()
85 static void qcom_cpucp_mbox_shutdown(struct mbox_chan *chan) in qcom_cpucp_mbox_shutdown()
96 static int qcom_cpucp_mbox_send_data(struct mbox_chan *chan, void *data) in qcom_cpucp_mbox_send_data()
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| H A D | ti-msgmgr.c | 116 struct mbox_chan *chan;
144 struct mbox_chan *chans;
196 static int ti_msgmgr_queue_rx_data(struct mbox_chan *chan, struct ti_queue_inst *qinst, in ti_msgmgr_queue_rx_data()
243 static int ti_msgmgr_queue_rx_poll_timeout(struct mbox_chan *chan, int timeout_us) in ti_msgmgr_queue_rx_poll_timeout()
274 struct mbox_chan *chan = p; in ti_msgmgr_queue_rx_interrupt()
318 static bool ti_msgmgr_queue_peek_data(struct mbox_chan *chan) in ti_msgmgr_queue_peek_data()
345 static bool ti_msgmgr_last_tx_done(struct mbox_chan *chan) in ti_msgmgr_last_tx_done()
372 static bool ti_msgmgr_chan_has_polled_queue_rx(struct mbox_chan *chan) in ti_msgmgr_chan_has_polled_queue_rx()
390 static int ti_msgmgr_send_data(struct mbox_chan *chan, void *data) in ti_msgmgr_send_data()
466 struct mbox_chan *chan) in ti_msgmgr_queue_rx_irq_req()
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| H A D | armada-37xx-rwtm-mailbox.c | 43 static void a37xx_mbox_receive(struct mbox_chan *chan) in a37xx_mbox_receive()
58 struct mbox_chan *chan = data; in a37xx_mbox_irq_handler()
77 static int a37xx_mbox_send_data(struct mbox_chan *chan, void *data) in a37xx_mbox_send_data()
103 static int a37xx_mbox_startup(struct mbox_chan *chan) in a37xx_mbox_startup()
124 static void a37xx_mbox_shutdown(struct mbox_chan *chan) in a37xx_mbox_shutdown()
146 struct mbox_chan *chans; in armada_37xx_mbox_probe()
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| H A D | hi6220-mailbox.c | 86 struct mbox_chan *chan;
110 static bool hi6220_mbox_last_tx_done(struct mbox_chan *chan) in hi6220_mbox_last_tx_done()
123 static int hi6220_mbox_send_data(struct mbox_chan *chan, void *msg) in hi6220_mbox_send_data()
153 struct mbox_chan *chan; in hi6220_mbox_interrupt()
194 static int hi6220_mbox_startup(struct mbox_chan *chan) in hi6220_mbox_startup()
206 static void hi6220_mbox_shutdown(struct mbox_chan *chan) in hi6220_mbox_shutdown()
223 static struct mbox_chan *hi6220_mbox_xlate(struct mbox_controller *controller, in hi6220_mbox_xlate()
228 struct mbox_chan *chan; in hi6220_mbox_xlate()
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| /linux/drivers/remoteproc/ |
| H A D | st_remoteproc.c | 50 struct mbox_chan *mbox_chan[ST_RPROC_MAX_VRING * MBOX_MAX]; member
85 ret = mbox_send_message(ddata->mbox_chan[vqid * MBOX_MAX + MBOX_TX], in st_rproc_kick()
334 struct mbox_chan *chan; in st_rproc_probe()
390 ddata->mbox_chan[ST_RPROC_VQ0 * MBOX_MAX + MBOX_RX] = chan; in st_rproc_probe()
398 ddata->mbox_chan[ST_RPROC_VQ0 * MBOX_MAX + MBOX_TX] = chan; in st_rproc_probe()
406 ddata->mbox_chan[ST_RPROC_VQ1 * MBOX_MAX + MBOX_RX] = chan; in st_rproc_probe()
414 ddata->mbox_chan[ST_RPROC_VQ1 * MBOX_MAX + MBOX_TX] = chan; in st_rproc_probe()
425 mbox_free_channel(ddata->mbox_chan[i]); in st_rproc_probe()
443 mbox_free_channel(ddata->mbox_chan[i]); in st_rproc_remove()
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| /linux/drivers/rpmsg/ |
| H A D | qcom_glink_smem.c | 45 struct mbox_chan *mbox_chan; member
200 mbox_send_message(smem->mbox_chan, NULL); in glink_smem_tx_kick()
201 mbox_client_txdone(smem->mbox_chan, 0); in glink_smem_tx_kick()
318 smem->mbox_chan = mbox_request_channel(&smem->mbox_client, 0); in qcom_glink_smem_register()
319 if (IS_ERR(smem->mbox_chan)) { in qcom_glink_smem_register()
320 ret = dev_err_probe(&smem->dev, PTR_ERR(smem->mbox_chan), in qcom_glink_smem_register()
354 mbox_free_channel(smem->mbox_chan); in qcom_glink_smem_register()
371 mbox_free_channel(smem->mbox_chan); in qcom_glink_smem_unregister()
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| H A D | qcom_glink_rpm.c | 63 struct mbox_chan *mbox_chan; member
200 mbox_send_message(rpm->mbox_chan, NULL); in glink_rpm_tx_kick()
201 mbox_client_txdone(rpm->mbox_chan, 0); in glink_rpm_tx_kick()
330 rpm->mbox_chan = mbox_request_channel(&rpm->mbox_client, 0); in glink_rpm_probe()
331 if (IS_ERR(rpm->mbox_chan)) in glink_rpm_probe()
332 return dev_err_probe(dev, PTR_ERR(rpm->mbox_chan), "failed to acquire IPC channel\n"); in glink_rpm_probe()
351 mbox_free_channel(rpm->mbox_chan); in glink_rpm_probe()
373 mbox_free_channel(rpm->mbox_chan); in glink_rpm_remove()
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| /linux/drivers/soc/qcom/ |
| H A D | smp2p.c | 158 struct mbox_chan *mbox_chan; member
172 if (smp2p->mbox_chan) { in qcom_smp2p_kick()
173 mbox_send_message(smp2p->mbox_chan, NULL); in qcom_smp2p_kick()
174 mbox_client_txdone(smp2p->mbox_chan, 0); in qcom_smp2p_kick()
576 smp2p->mbox_chan = mbox_request_channel(&smp2p->mbox_client, 0); in qcom_smp2p_probe()
577 if (IS_ERR(smp2p->mbox_chan)) { in qcom_smp2p_probe()
578 if (PTR_ERR(smp2p->mbox_chan) != -ENOENT) in qcom_smp2p_probe()
579 return PTR_ERR(smp2p->mbox_chan); in qcom_smp2p_probe()
581 smp2p->mbox_chan = NULL; in qcom_smp2p_probe()
663 mbox_free_channel(smp2p->mbox_chan); in qcom_smp2p_probe()
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| H A D | smsm.c | 134 struct mbox_chan *mbox_chan; member
185 if (hostp->mbox_chan) { in smsm_update_bits()
186 mbox_send_message(hostp->mbox_chan, NULL); in smsm_update_bits()
187 mbox_client_txdone(hostp->mbox_chan, 0); in smsm_update_bits()
381 host->mbox_chan = mbox_request_channel(&smsm->mbox_client, host_id); in smsm_parse_mbox()
382 if (IS_ERR(host->mbox_chan)) { in smsm_parse_mbox()
383 ret = PTR_ERR(host->mbox_chan); in smsm_parse_mbox()
384 host->mbox_chan = NULL; in smsm_parse_mbox()
656 mbox_free_channel(smsm->hosts[id].mbox_chan); in qcom_smsm_probe()
672 mbox_free_channel(smsm->hosts[id].mbox_chan); in qcom_smsm_remove()
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| /linux/drivers/i2c/busses/ |
| H A D | i2c-xgene-slimpro.c | 97 struct mbox_chan *mbox_chan; member
220 rc = mbox_send_message(ctx->mbox_chan, msg); in slimpro_i2c_send_msg()
228 mbox_chan_txdone(ctx->mbox_chan, 0); in slimpro_i2c_send_msg()
459 ctx->mbox_chan = mbox_request_channel(cl, MAILBOX_I2C_INDEX); in xgene_slimpro_i2c_probe()
460 if (IS_ERR(ctx->mbox_chan)) in xgene_slimpro_i2c_probe()
461 return dev_err_probe(&pdev->dev, PTR_ERR(ctx->mbox_chan), in xgene_slimpro_i2c_probe()
484 ctx->mbox_chan = pcc_chan->mchan; in xgene_slimpro_i2c_probe()
486 if (!ctx->mbox_chan->mbox->txdone_irq) { in xgene_slimpro_i2c_probe()
515 mbox_free_channel(ctx->mbox_chan); in xgene_slimpro_i2c_probe()
529 mbox_free_channel(ctx->mbox_chan); in xgene_slimpro_i2c_remove()
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