Lines Matching full:se
13 #include <linux/qcom-geni-se.h>
18 * Generic Interface (GENI) Serial Engine (SE) Wrapper driver is introduced
32 * determined by the firmware loaded to the serial engine. Each SE consists
40 * --QUP & SE Clocks--> | Serial Engine N | +-IO------>
50 * <------SE IRQ------+ +----------------------------+ |
66 * GENI SE Wrapper driver is structured into 2 parts:
96 /* Common SE registers */
173 * @se: Pointer to the corresponding serial engine.
177 u32 geni_se_get_qup_hw_version(struct geni_se *se) in geni_se_get_qup_hw_version() argument
179 struct geni_wrapper *wrapper = se->wrapper; in geni_se_get_qup_hw_version()
220 * @se: Pointer to the concerned serial engine.
227 void geni_se_init(struct geni_se *se, u32 rx_wm, u32 rx_rfr) in geni_se_init() argument
231 geni_se_io_init(se->base); in geni_se_init()
232 geni_se_io_set_mode(se->base); in geni_se_init()
234 writel_relaxed(rx_wm, se->base + SE_GENI_RX_WATERMARK_REG); in geni_se_init()
235 writel_relaxed(rx_rfr, se->base + SE_GENI_RX_RFR_WATERMARK_REG); in geni_se_init()
237 val = readl_relaxed(se->base + SE_GENI_M_IRQ_EN); in geni_se_init()
239 writel_relaxed(val, se->base + SE_GENI_M_IRQ_EN); in geni_se_init()
241 val = readl_relaxed(se->base + SE_GENI_S_IRQ_EN); in geni_se_init()
243 writel_relaxed(val, se->base + SE_GENI_S_IRQ_EN); in geni_se_init()
247 static void geni_se_select_fifo_mode(struct geni_se *se) in geni_se_select_fifo_mode() argument
249 u32 proto = geni_se_read_proto(se); in geni_se_select_fifo_mode()
252 writel_relaxed(0, se->base + SE_GSI_EVENT_EN); in geni_se_select_fifo_mode()
253 writel_relaxed(0xffffffff, se->base + SE_GENI_M_IRQ_CLEAR); in geni_se_select_fifo_mode()
254 writel_relaxed(0xffffffff, se->base + SE_GENI_S_IRQ_CLEAR); in geni_se_select_fifo_mode()
255 writel_relaxed(0xffffffff, se->base + SE_DMA_TX_IRQ_CLR); in geni_se_select_fifo_mode()
256 writel_relaxed(0xffffffff, se->base + SE_DMA_RX_IRQ_CLR); in geni_se_select_fifo_mode()
257 writel_relaxed(0xffffffff, se->base + SE_IRQ_EN); in geni_se_select_fifo_mode()
259 val = readl_relaxed(se->base + SE_GENI_M_IRQ_EN); in geni_se_select_fifo_mode()
264 writel_relaxed(val, se->base + SE_GENI_M_IRQ_EN); in geni_se_select_fifo_mode()
266 val = readl_relaxed(se->base + SE_GENI_S_IRQ_EN); in geni_se_select_fifo_mode()
269 writel_relaxed(val, se->base + SE_GENI_S_IRQ_EN); in geni_se_select_fifo_mode()
271 val = readl_relaxed(se->base + SE_GENI_DMA_MODE_EN); in geni_se_select_fifo_mode()
273 writel_relaxed(val, se->base + SE_GENI_DMA_MODE_EN); in geni_se_select_fifo_mode()
276 static void geni_se_select_dma_mode(struct geni_se *se) in geni_se_select_dma_mode() argument
280 writel_relaxed(0, se->base + SE_GSI_EVENT_EN); in geni_se_select_dma_mode()
281 writel_relaxed(0xffffffff, se->base + SE_GENI_M_IRQ_CLEAR); in geni_se_select_dma_mode()
282 writel_relaxed(0xffffffff, se->base + SE_GENI_S_IRQ_CLEAR); in geni_se_select_dma_mode()
283 writel_relaxed(0xffffffff, se->base + SE_DMA_TX_IRQ_CLR); in geni_se_select_dma_mode()
284 writel_relaxed(0xffffffff, se->base + SE_DMA_RX_IRQ_CLR); in geni_se_select_dma_mode()
285 writel_relaxed(0xffffffff, se->base + SE_IRQ_EN); in geni_se_select_dma_mode()
287 val = readl_relaxed(se->base + SE_GENI_DMA_MODE_EN); in geni_se_select_dma_mode()
289 writel_relaxed(val, se->base + SE_GENI_DMA_MODE_EN); in geni_se_select_dma_mode()
294 * @se: Pointer to the concerned serial engine.
297 void geni_se_select_mode(struct geni_se *se, enum geni_se_xfer_mode mode) in geni_se_select_mode() argument
303 geni_se_select_fifo_mode(se); in geni_se_select_mode()
306 geni_se_select_dma_mode(se); in geni_se_select_mode()
367 * @se: Pointer to the concerned serial engine
377 void geni_se_config_packing(struct geni_se *se, int bpw, int pack_words, in geni_se_config_packing() argument
412 writel_relaxed(cfg0, se->base + SE_GENI_TX_PACKING_CFG0); in geni_se_config_packing()
413 writel_relaxed(cfg1, se->base + SE_GENI_TX_PACKING_CFG1); in geni_se_config_packing()
416 writel_relaxed(cfg0, se->base + SE_GENI_RX_PACKING_CFG0); in geni_se_config_packing()
417 writel_relaxed(cfg1, se->base + SE_GENI_RX_PACKING_CFG1); in geni_se_config_packing()
428 writel_relaxed(bpw / 16, se->base + SE_GENI_BYTE_GRAN); in geni_se_config_packing()
432 static void geni_se_clks_off(struct geni_se *se) in geni_se_clks_off() argument
434 struct geni_wrapper *wrapper = se->wrapper; in geni_se_clks_off()
436 clk_disable_unprepare(se->clk); in geni_se_clks_off()
444 * @se: Pointer to the concerned serial engine.
448 int geni_se_resources_off(struct geni_se *se) in geni_se_resources_off() argument
452 ret = pinctrl_pm_select_sleep_state(se->dev); in geni_se_resources_off()
456 geni_se_clks_off(se); in geni_se_resources_off()
461 static int geni_se_clks_on(struct geni_se *se) in geni_se_clks_on() argument
464 struct geni_wrapper *wrapper = se->wrapper; in geni_se_clks_on()
471 ret = clk_prepare_enable(se->clk); in geni_se_clks_on()
481 * @se: Pointer to the concerned serial engine.
485 int geni_se_resources_on(struct geni_se *se) in geni_se_resources_on() argument
489 ret = geni_se_clks_on(se); in geni_se_resources_on()
493 ret = pinctrl_pm_select_default_state(se->dev); in geni_se_resources_on()
495 geni_se_clks_off(se); in geni_se_resources_on()
503 * @se: Pointer to the concerned serial engine.
514 int geni_se_clk_tbl_get(struct geni_se *se, unsigned long **tbl) in geni_se_clk_tbl_get() argument
519 if (se->clk_perf_tbl) { in geni_se_clk_tbl_get()
520 *tbl = se->clk_perf_tbl; in geni_se_clk_tbl_get()
521 return se->num_clk_levels; in geni_se_clk_tbl_get()
524 se->clk_perf_tbl = devm_kcalloc(se->dev, MAX_CLK_PERF_LEVEL, in geni_se_clk_tbl_get()
525 sizeof(*se->clk_perf_tbl), in geni_se_clk_tbl_get()
527 if (!se->clk_perf_tbl) in geni_se_clk_tbl_get()
531 freq = clk_round_rate(se->clk, freq + 1); in geni_se_clk_tbl_get()
532 if (freq <= 0 || freq == se->clk_perf_tbl[i - 1]) in geni_se_clk_tbl_get()
534 se->clk_perf_tbl[i] = freq; in geni_se_clk_tbl_get()
536 se->num_clk_levels = i; in geni_se_clk_tbl_get()
537 *tbl = se->clk_perf_tbl; in geni_se_clk_tbl_get()
538 return se->num_clk_levels; in geni_se_clk_tbl_get()
543 * geni_se_clk_freq_match() - Get the matching or closest SE clock frequency
544 * @se: Pointer to the concerned serial engine.
561 int geni_se_clk_freq_match(struct geni_se *se, unsigned long req_freq, in geni_se_clk_freq_match() argument
572 num_clk_levels = geni_se_clk_tbl_get(se, &tbl); in geni_se_clk_freq_match()
610 * @se: Pointer to the concerned serial engine.
619 int geni_se_tx_dma_prep(struct geni_se *se, void *buf, size_t len, in geni_se_tx_dma_prep() argument
622 struct geni_wrapper *wrapper = se->wrapper; in geni_se_tx_dma_prep()
632 writel_relaxed(val, se->base + SE_DMA_TX_IRQ_EN_SET); in geni_se_tx_dma_prep()
633 writel_relaxed(lower_32_bits(*iova), se->base + SE_DMA_TX_PTR_L); in geni_se_tx_dma_prep()
634 writel_relaxed(upper_32_bits(*iova), se->base + SE_DMA_TX_PTR_H); in geni_se_tx_dma_prep()
635 writel_relaxed(GENI_SE_DMA_EOT_BUF, se->base + SE_DMA_TX_ATTR); in geni_se_tx_dma_prep()
636 writel_relaxed(len, se->base + SE_DMA_TX_LEN); in geni_se_tx_dma_prep()
643 * @se: Pointer to the concerned serial engine.
652 int geni_se_rx_dma_prep(struct geni_se *se, void *buf, size_t len, in geni_se_rx_dma_prep() argument
655 struct geni_wrapper *wrapper = se->wrapper; in geni_se_rx_dma_prep()
665 writel_relaxed(val, se->base + SE_DMA_RX_IRQ_EN_SET); in geni_se_rx_dma_prep()
666 writel_relaxed(lower_32_bits(*iova), se->base + SE_DMA_RX_PTR_L); in geni_se_rx_dma_prep()
667 writel_relaxed(upper_32_bits(*iova), se->base + SE_DMA_RX_PTR_H); in geni_se_rx_dma_prep()
669 writel_relaxed(0, se->base + SE_DMA_RX_ATTR); in geni_se_rx_dma_prep()
670 writel_relaxed(len, se->base + SE_DMA_RX_LEN); in geni_se_rx_dma_prep()
677 * @se: Pointer to the concerned serial engine.
683 void geni_se_tx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len) in geni_se_tx_dma_unprep() argument
685 struct geni_wrapper *wrapper = se->wrapper; in geni_se_tx_dma_unprep()
694 * @se: Pointer to the concerned serial engine.
700 void geni_se_rx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len) in geni_se_rx_dma_unprep() argument
702 struct geni_wrapper *wrapper = se->wrapper; in geni_se_rx_dma_unprep()
735 dev_dbg(dev, "GENI SE Driver probed\n"); in geni_se_probe()
740 { .compatible = "qcom,geni-se-qup", },